Iec 60695 11 20 2015

The test method des rib d provides clas ifi ation whic may b u ed for q al ty as uran e, the pre-selection of comp nent materials of prod cts, or to verif y the req ired minimum flamma i

Fire haz rd testing –

Part 11- 20: Test flames – 500 W flame t est met hod

Essais relat ifs aux risques du feu –

Partie 11- 20: Flammes d'essai – Mét hode d'essai à la flamme de 500 W

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Fire haz rd t esting –

Part 11- 20: Test flames – 500 W flame t est met hod

Essais relat ifs aux risques du feu –

Partie 11- 20: Flammes d'essai – Mét hode d'essai à la flamme de 500 W

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CONTENTS

FOREWORD 4

INTRODUCTION 7

1 Sco e 8

2 Normative ref eren es 8

3 Terms an def i ition 9

4 Prin iple 12

5 Sig if i an e of the f ire tests 13

5.1 General 13

5.2 Limitation on the u e of test res lts 13

5.3 Ph sical pro erties that can ef fect burnin b haviour 13

5.4 Shrin age an distortion 13

5.5 Ef f ects of test sp cimen con itionin 13

6 Ap aratu 13

6.1 L b ratory fumeho d/c amb r 13

6.2 L b ratory burner 14

6.3 Sup ort stan 14

6.4 Timin device 14

6.5 Me s rin s ale 14

6.6 Con itionin c amb r 14

6.7 Micrometer 14

6.8 Desic ator c amb r 14

6.9 Air circ latin oven 14

6.10 Cot on p d 14

6.1 Burner mou tin bloc 15

7 Test sp cimen 15

7.1 Test sp cimen pre aration 15

7.2 Bar test sp cimen 15

7.3 Plate test sp cimen 15

7.4 Testin materials – ran es in f ormulation 15

7.4.1 General 15

7.4.2 Den ity, melt f lows an f il er/reinf orcement 16

7.4.3 Colour (b r test sp cimen only) 16

7.5 Thic nes me s rements 16

8 Test proced re 17

8.1 Con itionin 17

8.1.1 General 17

8.1.2 Con itionin of sp cimen in con itionin c amb r ( As Received” 17

8.1.3 Con itionin of sp cimen in air circ latin oven 17

8.1.4 Con itionin of the cot on p d 17

8.1.5 Test con ition 17

8.2 Test proced re – b r test sp cimen 18

8.2.1 Test sp cimen setup 18

8.2.2 Flame setup 18

8.2.3 Flame a pl cation an o servation 18

8.2.4 Criteria f or retest 19

8.3 Test proced re – plate s a ed test sp cimen 19

8.3.1 Sup ort stan 19

8.3.2 Flame setup 19

8.3.3 Flame a pl cation an o servation 19

8.3.4 Criteria f or retest 19

8.4 Clas ifi ation 2

8.5 Test re ort 2

An ex A (normative) Detai ed req irements f or the flame a pl cation p int 2

A.1 Dy amic def ormation 2

A.2 J-s a e or twistin def ormation 2

A.3 Curln def ormation 2

A.4 Severe deformation 2

Bibl ogra h 31

Fig re 1 – Vertical burnin test for b r test sp cimen 21

Fig re 2 – Horizontal burnin test for plates 2

Fig re 3 – Burner mou tin bloc – Example 2

Fig re 4 – Test sp cimen 23 Fig re 5 – Examples of f lame a pl cation 2

Fig re 6 – 5V sp cimen gau e (Example) 2

Fig re A.1 – Flame a pl cation p ints f or a sp cimen whic def orms d namicaly 27 Fig re A.2 – Flame a pl cation p int f or twisted an J-s a ed sp cimen 2

Fig re A.3 – Flame a pl cation p int f or a c rled sp cimen 2

Fig re A.4 – Flame a pl cation p int when there is severe def ormation 3

Ta le 1 – Thic nes toleran es 17 Ta le 2 – 5V burnin clas if i ation 2

INTERNATIONAL ELECTROTECHNICAL COMMISSION

1 Th Intern tio al Ele trote h ic l Commis io (IEC) is a worldwid org niz tio for sta d rdiz tio c mprisin

al n tio al ele trote h ic l c mmite s (IEC Natio al Commite s) Th o je t of IEC is to promote

intern tio al c -o eratio o al q e tio s c n ernin sta d rdiz tio in th ele tric l a d ele tro ic field To

this e d a d in a ditio to oth r a tivitie , IEC p bls e Intern tio al Sta d rd , Te h ic l Sp cif i atio s,

Te h ic l Re orts, Pu lcly Av ia le Sp cific tio s (PAS) a d Guid s (h re f ter refere to a “IEC

Pu lc tio (s)”) Th ir pre aratio is e tru te to te h ic l c mmite s; a y IEC Natio al Commite intere te

in th s bje t d alt with ma p rticip te in this pre aratory work Intern tio al g v rnme tal a d n

n-g v rnme tal org niz tio s laisin with th IEC als p rticip te in this pre aratio IEC c la orate clo ely

with th Intern tio al Org niz tio for Sta d rdiz tio (ISO) in a c rd n e with c n itio s d termin d b

a re me t b twe n th two org niz tio s

2) Th formal d cisio s or a re me ts of IEC o te h ic l maters e pre s, a n arly a p s ible, a intern tio al

c n e s s of o inio o th rele a t s bje ts sin e e c te h ic l c mmite h s re re e tatio f rom al

intere te IEC Natio al Commite s

3) IEC Pu lc tio s h v th form of re omme d tio s f or intern tio al u e a d are a c pte b IEC Natio al

Commite s in th t s n e Whie al re s n ble eforts are ma e to e s re th t th te h ic l c nte t of IEC

Pu lc tio s is a c rate, IEC c n ot b h ld re p n ible for th wa in whic th y are u e or f or a y

misinterpretatio b a y e d u er

4) In ord r to promote intern tio al u iformity, IEC Natio al Commite s u d rta e to a ply IEC Pu lc tio s

tra s are tly to th ma imum e te t p s ible in th ir n tio al a d re io al p blc tio s An div rg n e

b twe n a y IEC Pu lc tio a d th c r e p n in n tio al or re io al p blc tio s al b cle rly in ic te in

th later

5) IEC its lf d e n t pro id a y ate tatio of c nformity In e e d nt c rtif i atio b die pro id c nformity

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6) Al u ers s o ld e s re th t th y h v th late t e itio of this p blc tio

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memb rs of its te h ic l c mmite s a d IEC Natio al Commite s for a y p rs n l injury, pro erty d ma e or

oth r d ma e of a y n ture wh ts e er, wh th r dire t or in ire t, or f or c sts (in lu in le al fe s) a d

e p n e arisin o t of th p blc tio , u e of, or rela c u o , this IEC Pu lc tio or a y oth r IEC

Pu lc tio s

8) Ate tio is drawn to th Normativ refere c s cite in this p blc tio Us of th refere c d p blc tio s is

in is e s ble f or th c re t a plc tio of this p blc tio

9) Ate tio is drawn to th p s ibi ty th t s me of th eleme ts of this IEC Pu lc tio ma b th s bje t of

p te t rig ts IEC s al n t b h ld re p n ible for id ntifyin a y or al s c p te t rig ts

International Stan ard IEC 6 6 5-1 -2 has b en pre ared by IEC tec nical commite 8 :

Fire hazard testin

The text of this stan ard is b sed on the fol owin doc ments:

Ful inf ormation on the votin f or the a proval of this stan ard can b f ou d in the re ort on

votin in icated in the a ove ta le

This publcation has b en draf ted in ac ordan e with the ISO/IEC Directives, Part 2.

This secon edition can els an re laces the first edition of IEC 6 6 5-1 -2 publ s ed in

19 9 This edition con titutes a tec nical revision

The main c an es with resp ct to the f irst edition are l sted b low:

– The Part title has b en modif ied to the sin ular – 5 0 W f lame test method

– Editorial c an es have b en made throu hout the doc ment f or the purp se of al g in

IEC 6 6 5-1 -10 with IEC 6 6 5-1 -2

– The Introd ction has b en modif ied to clarif y the des ription of the test method

– The Sco e has b en modif ied f or clarif i ation

– Al oc ur en es of the term “fi ture” have b en deleted f rom the doc ment

– Pref er ed thic nes values have b en ad ed to 7.2 an 7.3

– 7.4.4: ‘Thic nes me s rement’ is now n mb red 7.5 to whic a new Ta le 1 – Thic nes

toleran es has b en ad ed

– New Subclau e 8.1.4 ‘Con itionin of the coton p d’ has b en ad ed

– 8.2.3 clarif ies the a pl cation of the test f lame to distorted sp cimen

– Explanatory notes have b en ad ed to Fig res 5 an 6

– The Bibl ogra h has b en updated an referen es ad ed

It has the statu of a b sic safety publ cation in ac ordan e with IEC Guide 10 an

ISO/IEC Guide 51

This International Stan ard is to b u ed in conju ction with IEC 6 6 5-1 -3

A lst of al the p rts in the IEC 6 6 5 series, u der the general title F e h z rd te ting, can

b fou d on the IEC we site

Part 1 con ists of the fol owin p rts:

Part 1 -2: Test f lames – 1 kW nominal pre-mixed f lame – Ap aratu , con rmatory test

ar an ement an g idan e

Part 1 -3: Test flames – 5 0 W f lames – Ap aratu an con rmational test method

Part 1 -4: Test flames – 5 W f lame – Ap aratu an con rmational test method

Part 1 -5: Test f lames – Ne dle-f lame test method – Ap aratu , con rmatory test

ar an ement an g idan e

Part 1 -10: Test flames – 5 W horizontal an vertical flame test method

Part 1 -1 : Test f lames – Determination of the c aracteristic he t f l x f or ig ition f rom a

non-contactin flame source

Part 1 -2 : Test flames – 5 0 W f lame test method

Part 1 -3 : Test flames – History an develo ment from 19 9 to 19 9

Part 1 -4 : Test flames – Con rmatory tests – Guidan e

The commit e has decided that the contents of this publ cation wi remain u c an ed u ti

the sta i ty date in icated on the IEC we site u der "htp:/we store.iec.c " in the data

related to the sp cifi publ cation At this date, the publ cation wi b

• recon rmed,

• with rawn,

• re laced by a revised edition, or

IMPORTANT – The 'colour in ide' logo on the cov r pa e of this publ c tion indic te

understa din of its conte ts Us rs s ould theref ore print this doc me t usin a

colour printer

In the desig of an electrotec nical prod ct the ris of f ire an the p tential hazard

as ociated with f ire ne d to b con idered In this resp ct the o jective of comp nent, circ it

an eq ipment desig as wel as the c oice of materials is to red ce to a tolera le level of

ris of f ire even in the event of re sona ly f orese a le (mis)u e, malf un tion or f aiure Fires

in olvin electrotec nical prod cts can also b initiated from external non-electrical sources

Con ideration of this nature are de lt with in the overal fire hazard as es ment

The aim of the IEC 6 6 5 series of stan ard is to save l ves an pro erty by red cin the

n mb r of f ires or red cin the con eq en es of the fire This can b ac ompl s ed by:

– tryin to prevent ig ition cau ed by an electricaly energised comp nent p rt an , in the

event of ig ition, to con ne an res ltin f ire within the b u d of the en los re of the

electrotec nical prod ct

– tryin to minimise f lame spre d b yon the prod ct’s en los re an to minimise the

harmf ul ef f ects of f ire eff luents in lu in he t, smoke, an toxic or cor osive combu tion

prod cts

This p rt of IEC 6 6 5 des rib s a test method whic con ists of two smal -s ale f ire test

proced res car ied out on materials u ed in electrotec nical eq ipment A 5 0 W test f lame is

u ed as an ig ition source The test method des rib d provides clas ifi ation whic may b

u ed for q al ty as uran e, the pre-selection of comp nent materials of prod cts, or to verif y

the req ired minimum flamma i ty clas if i ation of materials u ed in en prod cts

This test method s ould not b u ed to solely des rib or a praise the fire hazard or f ire ris

of materials, prod cts, or as embl es u der actual f ire con ition However, res lts of this test

may b u ed as elements of a f ire hazard as es ment whic takes into ac ou t al of the

factors whic are p rtinent to a p rtic lar en u e

This international stan ard may in olve hazardou materials, o eration , an eq ipment It

do s not purp rt to ad res al of the safety pro lems as ociated with its u e It is the

resp n ibi ty of the u er of this international stan ard to esta l s a pro riate saf ety an

he lth practices an determine the a pl ca i ty of reg latory l mitation prior to u e

FIRE HAZARD TESTING –

Part 11-20: Test f lames –

500 W f lame test method

This p rt of IEC 6 6 5 des rib s a test method con istin of two smal -s ale la oratory test

proced res whic is inten ed to comp re the burnin b haviour of dif ferent materials u ed in

electrotec nical prod cts Vertical y oriented b r sp cimen or horizontal y oriented plate test

sp cimen are exp sed to a smal f lame ig ition source with a nominal thermal p wer of

5 0 W The test method u es two test sp cimen con g ration to clas if y material

p rforman e Rectan ular b r s a ed test sp cimen are u ed to as es ig ita i ty an

burnin b haviour, an s uare plate test sp cimen are u ed to as es the resistan e of the

test sp cimen to burn-throu h, as defi ed in 8.3.3 This test method only a pl es to materials

that have b en clas if ied as V-0 or V-1 ac ordin to IEC 6 6 5-1 -10

This test method is only a pl ca le to sol d an cel ular materials that have an a p rent

den ity of more than 2 0 k /m

3

, determined in ac ordan e with ISO 8 5 The method do s

not a ply to materials that s rin away f rom the a pl ed f lame without ig itin d e to their

thin es

The test method des rib d provides clas if i ation whic may b u ed f or q al ty as uran e,

the pre-selection of comp nent materials of prod cts, or to verif y the req ired minimum

f lamma i ty clas if i ation of materials u ed in en prod cts If u ed f or pre-selection, then

p sitive res lts s al b o tained at a test sp cimen thic nes whic eq als the smal est

thic nes u ed in the prod ct a plcation

The res lts o tained provide some inf ormation a out the b haviour of materials in service, but

can ot by themselves as ure safe p rforman e in service

NOT 1 Guid n e o pre-s le tio is giv n in IEC 6 6 5- -3 [3]

1

NOT 2 Te t re ults are influ n e b material a ditiv s, e.g pigme ts, fi ers, a d fire retard nts, a d pro ertie

s c a th dire tio of a is tro y a d th mole ular ma s

This b sic saf ety publ cation is inten ed for u e by tec nical commit e s in the pre aration of

ISO/IEC Guide 51

One of the resp n ibi ties of a tec nical commit e is, wherever a pl ca le, to make u e of

b sic safety publ cation in the pre aration of its publ cation The req irements, test

method or test con ition of this b sic safety publ cation wi not a ply u les sp cif i al y

ref er ed to or in lu ed in the relevant publ cation

The f olowin doc ments, in whole or in p rt, are normatively ref eren ed in this doc ment an

are in isp n a le f or its a pl cation For dated ref eren es, only the edition cited a pl es For

u dated ref eren es, the latest edition of the referen ed doc ment (in lu in an

amen ments) a pl es

_ _

1

Numb rs in s u re bra k ts refer to th biblo ra h

IEC 6 6 5-4:2 12, Fire h z rd te tin – P art 4: Termin lo y c n ernin fire tests for

ele trote h ical produ ts

IEC 6 6 5-1 -3, Fire h z rd testing – P art 1 -3: Te t flame – 50 W flame – Ap aratus a d

c nfirmatio al te t meth ds

IEC 6 6 5-1 -10, Fire h z rd te tin – P art 1 -10: Te t flame – 50 Wh riz ntal a d v rtic l

flame test methods

IEC Guide 10 , Th pre aratio of s fety p b c tion a d the u e of b sic s fety p b c tio s

a d gro p s fety p b c tion

ISO/IEC Guide 51, Safety a p cts – Guideline for their in lusio in standards

ISO/IEC 13 4 :2 0 , Fire Safety – Vo a ulary

ISO 2 1, P lastic – Sta dard atmo p ere for c nd itionin a d te tin

ISO 2 3, P lastic – Compre sio mo ld in te t s e ime s of thermo lastic materials

ISO 2 4:19 6 (al p rts), P lastic – I nje tio mo ldin of te t s e ime s of thermo lastic

materials

ISO 2 5, P la tic – Compre sio mo ldin of test s e ime s of th rmo ettin materials

ISO 8 5, Cellular pla tic a d ru b rs – Determin tion of a p re t den ity

ISO 16 12, P lastic – Determin tion ofli e r d ime sio s oftest s e ime s

3 Terms and def initions

For the purp ses of this doc ment, the terms an def i ition given in ISO/IEC 13 4 :2 0

an IEC 6 6 5-4:2 0 , some of whic are re rod ced b low for the u er’s con enien e, as

wel as the f ol owin a ply

3.1

af terf lame

f lame that p rsists af ter the ig ition source has b en removed

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.6]

3.2

af terf lame time

len th of time f or whic an af terf lame p rsists u der sp cified test con ition

Note 1 to e try: De ig ate in this sta d rd b th p rameter t

1

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.7]

3.4

af terglow time

len th of time whic an af terglow p rsists u der sp cif ied test con ition

Note 1 to e try: De ig ate in this sta d rd b th p rameter t

2

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.9]

〈f ire tests〉 resp n e of a test sp cimen, when it burn u der sp cified con ition , to

examination of re ction to f ire or f ire resistan e

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.3 ]

3.8

combu tion

exothermic re ction of a s bstan e with an oxidizin agent

Note 1 to e try: Comb stio g n raly emits fire eff l e t a c mp nie b flame a d/or glowin

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.4 ]

3.9

dra ght f re e vironme t

sp ce in whic the res lts of exp riments are not sig if i antly af f ected by the local air sp ed

Note 1 to e try: A q altativ e ample is a s a e in whic a wa c n le flame remain e s ntialy u disturb d

Qu ntitativ e ample are smal-s ale fire te ts in whic a ma imum air s e d of 0,1 m × s

〈electrotec nical〉 external casin protectin the electrical an mec anical p rts of a p ratu

Note 1 to e try: Th term e clu e c ble

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.7 ]

3.1

f ire hazard

ph sical o ject or con ition with a p tential f or an u desira le con eq en e f rom f ire

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.1 2]

Note 1 to e try: Th u e of a fire retard nt d e n t n c s ariy s p re s f ire or termin te c mb stio

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.12 ]

3.14

f ire ris

pro a i ty of a f ire combined with a q antified me s re of its con eq en e

Note 1 to e try: It is ofte c lc late a th pro u t of pro a i ty a d c n e u n e

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.12 ]

3.15

f ire te t

test that me s res b haviour of a f ire or exp ses an item to the ef fects of a f ire

Note 1 to e try: Th re ults of a f ire te t c n b u e to q a tify fire s v rity or d termin th f ire re ista c or

pro agation of a flame f ront

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.14 ]

3.19

flammabi ity

a i ty of a material or prod ct to burn with a flame u der sp cified con ition

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.151]

glowin combustion

combu tion of a material in the sol d phase without f lame but with emis ion of lght f rom the

〈general〉 initiation of combu tion

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.18 ]

3.2

ignition

s stained ig ition (de recated)

〈f lamin combu tion〉 initiation of s stained f lame

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.18 ]

3.2

molte drip,

n u

f al n dro let of material that has b en sof tened or l q ef ied by he t

Note 1 to e try: Th dro lets c n b f l min or n t flamin

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.2 2]

resp n e of a test sp cimen when it is exp sed to f ire u der sp cif ied con ition in a f ire test

Note 1 to e try: Fire re ista c is re ard d a a s e ial c s a d is n t n rmaly c n id re a a re ctio to fire

pro erty

[SOURCE: ISO/IEC 13 4 :2 0 , defi ition 4.2 2]

3.2

smal -s ale fire te t

f ire test p rformed on a test sp cimen of smal dimen ion

Note 1 to e try: A f ire te t p rorme o a te t s e ime of whic th ma imum dime sio is le s th n 1 m is

not a ply to materials that s rin away from the a pl ed f lame without ig itin d e to their

thin es

This test method req ires the u e of two test sp cimen con g ration to clas if y the material

p rforman e Rectan ular b r s a ed test sp cimen (se 7.2) are u ed to as es ig ita i ty

an burnin b haviour, whie s uare plate test sp cimen (se 7.3) are u ed to as es the

resistan e of the test sp cimen to burn-throu h

5 Signif ic nce of the f ire tests

Fire tests made on a material u der the con ition sp cif ied can b of con idera le value

when comp rin the relative burnin b haviour of dif f erent materials, control n

man facturin proces es, or as es in an c an e in burnin c aracteristic The res lts

o tained from these fire test method are de en ent on the s a e an orientation of the test

sp cimen, the en ironment s r ou din the test sp cimen, an on the con ition of ig ition

NOT Th re ults o tain d with this meth d a d with th h riz ntal b rnin (HB) a d v rtic l b rnin (V) te ts

s e ifie in IEC 6 6 5- 1 10 are n t e uiv le t Th te t flame for this te t meth d is 5 0 W, wh re s th te t

flame for IEC 6 6 5- 1 10 is 5 W

5.2 Limitations on the us of te t re ults

Res lts o tained in ac ordan e with this stan ard s al not b u ed alone to des rib or

a praise the f ire hazard presented by a p rtic lar material or s a e u der actual f ire

con ition As es ment f or f ire hazard req ires con ideration of s c f actors as f uel

contribution, inten ity of burnin (rate of he t rele se), prod cts of combu tion an

en ironmental f actors, in lu in the nature of the ig ition source, the orientation of exp sed

material an ventiation con ition

5.3 Phy ic l propertie that c n ef fe t burnin be a iour

Burnin b haviour, as me s red by this test method, is af fected by s c f actors as den ity,

an anisotro y of the material an the thic nes of the test sp cimen

5.4 Shrin a e a d distortion

Certain materials may s rin f rom (d e to their thin es ) or b distorted by the a pl ed flame

without ig itin If val d res lts at the thic nes u der test can ot b o tained, these materials

at that sp cif i tested thic nes are not s ita le f or evaluation by these test method

5.5 Ef fe ts of te t spe ime con itioning

The burnin b haviour of some plastic materials may c an e with time It is ac ordin ly

ad isa le to make tests b fore an af ter con itionin u in an a pro riate proced re The

prefer ed oven con itionin is 16 h ± 2 h at 7 °C ± 2 °C However, other con itionin times

an temp ratures may b u ed by agre ment b twe n the interested p rties, an if u ed,

s al b noted in the test re ort

6.1 Laboratory fume ood/c amber

The la oratory f umeho d/c amb r s al have an in ide volume of at le st 0,5 m

3

The

c amb r s al p rmit o servation of tests in progres an s al provide a drau ht-fre

en ironment, whi st al owin normal thermal circ lation of air p st the test sp cimen d rin

burnin The in ide s rf aces of the c amb r s al b of a dark colour When a l g t meter,

f acin toward the re r of the c amb r, is p sitioned in place of the test sp cimen, the

recorded l g t level s al b les than 2 lx For saf ety an con enien e, it is desira le that

the en los re (whic can b completely closed) is f ited with an extraction device, s c as an

ex au t f an, to remove prod cts of combu tion whic may b toxic The extraction device, if

f ited, s al b turned off d rin the test an turned on immediately af ter the test to remove

the fire ef f luents A p sitive closin damp r may b ne ded

NOT 1 Usin a la oratory fume o d/c amb r h vin a in id v lume of 1 m

The timin device s al have a resolution of 0,5 s or les

NOT Some la oratorie h v fo n it u eful to uti z a s u d a tiv te timer a a me n of c u tin th f l me

The micrometer s al have a resolution of

a) 0,01 mm or les f or test sp cimen with a thic nes of 0,2 mm or gre ter, an

The air circ lation oven s al provide a con itionin temp rature of 7 °C ± 2 °C, u les

otherwise stated in the relevant sp cifi ation, whi st providin not les than f i e air c an es

p r hour

6.10 Cot on pa s

The coton p d s al b made of a sorb nt coton desig ated “10 % coton” or “pure cot on”

NOT This is als ref ere to a “c to wo l”

6.1 Burner mounting bloc

The burner mou tin bloc serves to p sition the burner at an an le of 2 ° ± 2 ° from the

vertical axis (se Fig re 3)

Test sp cimen s al b f abricated by the a pro riate ISO method, e.g castin an injection

mouldin in ac ordan e with ISO 2 4, compres ion mouldin in ac ordan e with ISO 2 3 or

ISO 2 5, or tran f er mouldin to the neces ary s a e Where this is not p s ible, the test

sp cimen s al b prod ced u in the same f abrication proces as would b normal y u ed to

mould a p rt of a prod ct; an where this is not p s ible, sp cimen are to b c t f rom a

re resentative sample of the moulded material taken from an en prod ct

NOT In c s it is n t p s ible to pre are te t s e ime s b a y of th meth d o tln d a o e, e.g

IEC 6 6 5- 1 5 [4] h s b e fo n u eful for c n id rin altern tiv f ire te t meth d

Af ter an c t in o eration, care s al b taken to remove al d st an an p rticles f rom the

s rf ace; c t ed es s al b fi e san ed to a smo th fi is

7.2 Bar te t spe ime s

Bar test sp cimen s al me s re 12 mm ± 5 mm lon by 13,0 mm ± 0,5 mm wide, an s al

b provided in at le st the minimum thic nes f or whic the f lame clas if i ation is u der

con ideration (se Fig re 4 ) The prefer ed thic nes values in lu e 0,7 mm, 1,5 mm,

3,0 mm, 6,0 mm, an /or 12,0 mm

Other thic nes es may b u ed by agre ment b twe n the interested p rties an , if so, s al

b noted in the test re ort However, the thic nes s al not ex e d 13,0 mm Ed es s al b

smo th, an the radiu on the corners s al not ex e d 1,3 mm

NOT Th g u e i u trate in Fig re 6 h s b e f ou d u eful for c nfirmin pro er s e ime dime sio s

7.3 Plate te t spe ime s

Plate test sp cimen s al me s re at le st 15 mm ± 5 mm lon by at le st 15 mm ± 5 mm

wide an s al b provided in at le st the minimum thic nes f or whic the f lame clas ifi ation

is u der con ideration (se Fig re 4 ) The pref er ed thic nes values in lu e 0,7 mm,

1,5 mm, 3,0 mm, 6,0 mm, an /or 12,0 mm

Other thic nes es may b u ed by agre ment b twe n the interested p rties an , if so, s al

b noted in the test re ort However, the thic nes s al not ex e d 13,0 mm

Un oloured test sp cimen , or test sp cimen of the colour f or whic the f lame clas ifi ation

is u der con ideration, s al b tested an con idered re resentative of the colour ran e

Plate test sp cimen are req ired for a 5VA clas ifi ation (se 8.4) Plate test sp cimen are

not req ired f or a 5VB clas if i ation (se 8.4)

7.4 Te ting materials – ra ge in f ormulations

The res lts of tests car ied out on test sp cimen of dif f erent colour, thic nes , den ity,

molec lar mas , anisotro ic direction an typ , or with dif ferent ad itives or

fil ers/reinforcements can vary

7.4.2 Den ity, melt f lows a d fi er/reinforc me t

Test sp cimen with extremes of den ity, melt f lows an f il er/reinforcement content may b

provided an con idered re resentative of the ran e if the test res lts yield the same flame

test clas if i ation If the test res lts do not yield the same f lame test clas ifi ation f or al test

sp cimen re resentin the ran e, evaluation s al b lmited to the materials with the

extremes of den ity, melt f lows an f il er/reinforcement contents tested In ad ition, test

sp cimen with intermediate den ity, melt f lows, an f il er/reinf orcement content s al b

tested to determine the re resentative ran e for e c f lame clas if i ation

7.4.3 Colour (bar te t spe ime s only)

Un oloured b r test sp cimen an b r test sp cimen with the hig est level of organic an

inorganic pigment lo din by weig t are con idered re resentative of the colour ran e, if the

test res lts yield the same f lame test clas ifi ation When certain pigments are k own to

af f ect f lamma i ty c aracteristic , the test sp cimen containin those pigments s al also b

tested Test sp cimen whic s al b tested are those that

a) contain no colourin ;

b) contain the hig est level of organic pigments/colorants/d es an /or carb n blac ;

c) contain the hig est level of inorganic pigments; an

d) contain pigments/colorants/d es whic are k own to ad ersely af f ect f lamma i ty

c aracteristic

Otherwise, in ivid al colours s al b evaluated an clas ified

For b r sp cimen , thic nes me s rements s al b made u in the me s rin s ale at the

centre an at b th en s of the test sp cimen u in a micrometer F r plate sp cimen ,

thic nes me s rements s al b made at the centre an at two p rp n ic lar ed es of the

test sp cimen u in a micrometer The arithmetic me n of the thre me s red values is taken

as the value of the thic nes of the test sp cimen

The thic nes me s rements s al b p rf ormed in ac ordan e with ISO 16 12 as f ol ows

Usin a ratc et micrometer, close the micrometer at s c a rate that the c an e in re din on

the s ale or digital display can b e si y fol owed Contin e the closin motion u ti the

ratc et cl c s thre times, the f riction thimble sl ps, or the two contact s rf aces can b f elt to

b in ful contact with the test sp cimen Record the in icated re din

Other me s rin devices eq ivalent to a micrometer may b u ed to me s re thic nes es if

fou d to b satisfactory

In order for test sp cimen to ac urately re resent a nominal thic nes , e c me s rement

an the overal average s al me t the toleran es given in Ta le 1

Table 1 – Thic n s tolera c s

8.1.2 Conditioning of spe ime s in conditioning c amber (“As Re eiv d”)

Two sets of f i e b r test sp cimen an two sets of thre plates s al b con itioned f or a

minimum of 48 h at 2 °C ± 2 °C an 5 % ± 10 % relative h midity (se ISO 2 1:19 7,

Clau e 6, Ta le 2, Clas 2) On e removed from the con itionin c amb r (se 6.6), the test

sp cimen s al b tested within 3 min

8.1.3 Conditioning of spe ime s in air-circ lating ov n

Two sets of f i e b r test sp cimen an two sets of thre plates s al b con itioned in the

air circ latin oven (se 6.9) f or 16 h ± 2 h at 7 °C ± 2 °C an then co led in the desic ator

c amb r (se 6.8) for at le st 4 h On e removed from the desic ator c amb r, the test

sp cimen s al b tested within 3 min

8.1.4 Conditioning of the cot on pa

The cot on p d s al b con itioned in a desic ator for at le st 2 h prior to u e On e

removed from the desic ator, the cot on p d s al b u ed within 3 min

8.1.5 Te t con itions

Al test sp cimen s al b tested in a la oratory atmosphere of 15 °C to 3 °C an at les

than or eq al to 7 % relative h midity

8.2 Te t proc dure – bar te t spe ime s

8.2.1 Te t spe ime s tup

Usin the s p ort stan (se 6.3), clamp the b r test sp cimen u in the up er 6 mm of its

len th with the lon itu inal axis vertical The lower en of the test sp cimen s al b

3 0 mm ± 10 mm a ove the horizontal coton p d (se 6.10) The cot on p d s al b

a proximately 5 mm × 5 mm an a maximum thic nes of 6 mm an a maximum mas of

0,0 g (se Fig re 1)

8.2.2 Flame s tup

With the central axis of the burner tub vertical, place the burner remote f rom the b r test

sp cimen an set the burner (se 6.2) to prod ce a stan ardized 5 0 W nominal test f lame,

conformin to IEC 6 6 5-1 -3, Method A or Method C The flame s al b con rmed

a) when the gas s p ly is c an ed,

b) when an test a p ratu an /or p rameters are c an ed, or

c) in case of dispute,

but at le st on e p r month

Wait for a minimum of 5 min to al ow the burner con ition to re c eq i brium Sup ort the

burner on the burner mou tin bloc (se 6.1 ), so that the burner tub is p sitioned at an

an le of 2 ° ± 5 ° from the vertical (se Fig re 1) In case of dispute, the Method A f lame

s al b u ed as the referen e test f lame

8.2.3 Flame appl c tion a d obs rv tion

With the nar ow ed e of the b r test sp cimen f acin the burner, a ply the f lame of the burner

centraly to the lower corner of the b r test sp cimen at an an le of 2 º ± 5 ° f rom the

vertical, so that the tip of the in er blue cone (se Fig re 1) is within 0 mm to 3 mm of the b r

test sp cimen ed e Durin e c flame a pl cation, the 0 mm to 3 mm of distan e s al b

maintained (se Fig re 5)

Ap ly the f lame to the b r test sp cimen f or 5 s ± 0,5 s an then remove it f or 5 s ± 0,5 s

Re e t the o eration u ti the b r test sp cimen has b en s bjected to f i e a pl cation of the

test f lame Fol owin e c f lame a plcation, immediately with raw the burner a s f f icient

distan e so that there is no thermal ef f ect on the b r test sp cimen

If the b r test sp cimen drips p rticles, s rin s, distorts, or elon ates d rin the test, adju t

the burner so that the tip of the in er blue cone is within 0 mm to 3 mm of the corner of the

b r test sp cimen ne rest to the burner, ig orin an strin s of molten material (se Fig re 5

an An ex A)

NOT 1 This pro e ure k e s th hig temp rature p rt of th f l me in c nta t with th te t s e ime

NOT 2 It ma b n c s ary to h ld th b rn r a d mo ntin blo k b h n in ord r to a c mpls this

pro e ure

NOT 3 A ro maintain d in a v rtic l p sitio a d u e b hin th te t s e ime h s b e fo n u eful a g id

to maintain th b rn r in a v rtic l p sitio

Af ter the f ifth a pl cation of the f lame to the b r test sp cimen, immediately remove the

burner s f f iciently from the b r test sp cimen so that there is no ef f ect on the b r test

sp cimen an , simultane u ly, u in the timin device (se 6.4), b gin me s rement, to the

ne rest secon , of the af terf lame time t , an the af terglow time t

2 Note an record t , t

2, an

t plu t

2 Note an record also whether an p rticles or molten drips f al f rom the b r test

sp cimen an , if so, whether they ig ite the coton p d (se 6.10)

NOT 4 Me s rin a d re ordin th afterlame time t

th re ordin of t

2

NOT 5 With rawin th b rn r to a dista c of 15 mm fom th b r te t s e ime whie me s rin t

1

a d t

2

h s b e fo n to b s tisfa tory

Re e t the proced re u ti fi e b r test sp cimen , con itioned in ac ordan e with 8.1.2, an

f i e b r test sp cimen , con itioned in ac ordan e with 8.1.3, have b en tested

8.2.4 Criteria f or rete t

If only one test sp cimen from a set of f i e b r test sp cimen f or a given con itionin

tre tment do s not conf orm to al of the criteria f or a clas if i ation, another set of f i e b r test

sp cimen , s bjected to the same con itionin , s al b tested For a clas if i ation to b

o tained al b r test sp cimen f rom the secon set s al conform to al of the sp cif ied

criteria f or the clas if i ation

8.3 Te t proc dure – plate s ape te t spe ime s

8.3.1 Sup ort sta d

Usin the clamp on the s p ort stan (se 6.3), s p ort the plate test sp cimen

a proximately in the horizontal plane (se Fig re 2)

8.3.2 Flame s tup

Set the burner u in the proced re des rib d in 8.2.2

8.3.3 Flame appl c tion a d obs rv tions

Ap ly the f lame of the burner to the a proximate centre of the b tom s rface of the plate test

sp cimen at an an le of 2 ° ± 5 ° from the vertical, so that the tip of the in er blue cone (se

Fig re 2) ju t tou hes the s rface of the plate

Ap ly the f lame f or 5 s ± 0,5 s an then remove it f or 5 s ± 0,5 s Re e t this u ti the plate

has b en s bjected to f i e a pl cation of the test f lame Fol owin e c f lame a pl cation,

immediately with raw the burner s f f iciently so there is no ef f ect on the plate test sp cimen

NOT With rawin th b rn r to a dista c of 15 mm fom th plate te t s e ime folowin e c flame

a plc tio h s b e fo n to b s tisf actory

Af ter the f if th a pl cation of the flame, immediately remove the burner a s f f icient distan e

f rom the plate test sp cimen so that there is no thermal eff ect on the plate test sp cimen

Note an record whether burn-throu h has oc ur ed

Burn-throu h s al b con idered the prod ction of a hole in a test sp cimen cau ed by

exp s re to a test flame s c that either:

a) visible f lame is o served d rin the test on the s rf ace of the test sp cimen o p site to

the s rface to whic the test f lame is a pl ed, or

b) an o enin gre ter than 3 mm is present in the test sp cimen af ter the test when the test

sp cimen has co led for at le st 3 s

Re e t the proced re u ti thre plate test sp cimen , con itioned in ac ordan e with 8.1.2,

an thre plate test sp cimen , con itioned in ac ordan e with 8.1.3, have b en tested

8.3.4 Criteria f or rete t

If only one plate test sp cimen from a set of thre plates f or a given con itionin tre tment

do s not conf orm to al of the burn-throu h criteria for a clas if i ation, another set of thre

plate test sp cimen , s bjected to the same con itionin , s al b tested For a clas if i ation

to b o tained, al plate test sp cimen from the secon set s al conform to al of the burn

-throu h criteria for the clas if i ation

8.4 Cla sific tion

If the test method is a pl ca le to the test sp cimen tested (se 5.4), the material s al b

clas ified either 5VA or 5VB, in ac ordan e with the criteria in icated in Ta le 2, b sed on the

b haviour of the b r test sp cimen an plate test sp cimen

NOT 1 Th “5V” d sig atio origin te fom th f act th t th te t flame is a pro imately fiv in h s ( 3 cm)

hig , a d th te t is a v rtic l b rnin te t

Materials, in the same b r test sp cimen thic nes , s al also b clas ified as V-0 or V-1

ac ordin to IEC 6 6 5-1 -10 If the test res lts are not in ac ordan e with the sp cif ied

criteria, the material can ot b clas if ied by this test method

NOT 2 Th V-0/V- pre-e uisite (Se Cla s 1 c nfirms th t material d e n t b rn u to th h ldin clamp

after e p s re to a 5 W flame

Table 2 – 5V burning cla sif ic tion

2)

The test re ort s al in lu e the fol owin p rtic lars:

a) a ref eren e to this International Stan ard;

b) al detai s neces ary to identif y the prod ct tested, in lu in the man f acturer's name, an

the material s n mb r or code, an colour;

c) the thic nes of the test sp cimen:

– f or test sp cimen 0,2 mm or gre ter, to the ne rest 0,01 mm,

– f or test sp cimen les than 0,2 0 mm, to the ne rest 0,0 1 mm;

d) the nominal a p rent den ity (cel ular materials only);

e) the direction of an anisotro y relative to the dimen ion of the test sp cimen ;

f ) the con itionin tre tment;

g) an tre tment b fore testin , other than c tin , trimmin an con itionin ;

h) the in ivid al values of af terf lame time t , af terglow time t

2, an t plu t

2, af ter the f if th

f lame a plcation for e c b r test sp cimen;

i) a note as to whether an p rticles or molten drips f el f rom the b r test sp cimen an

whether they ig ited the coton;

j) a note as to whether an of the plate test sp cimen s owed burn-throu h;

k) the as ig ed clas if i ation in combination with the relevant thic nes , for example

“5VB @ 1,5 mm” (se 8.4)

Di me si on i n mi ll i met ers

Figure 1 – Vertic l burning te t f or bar te t spe ime

IEC

Figure 2 – Horizontal burning te t for plate

Di me si on i n mi ll i met ers

Figure 3 – Burner mou ting bloc – Ex mple

IEC IEC

NOT Th s e ample i u trate th p sitio of th flame at th b gin in of a flame a plc tio folowin te t

s e ime d formatio

Figure 5.a– E ample of flame ap lc tio

NOT Th s e ample i u trate th p sitio of th flame at th b gin in of a flame a plc tio folowin te t

s e ime d formatio

Figure 5.b – E ample of flame ap lc tio (c nti nued )

Figure 5 – Ex mple of f lame ap l c tion

IEC IEC

Annex A

(normative)

Detai ed requirements f or the f lame appl cation point

A.1 Dy amic def ormation

In the 5 0 W flame testin , sp cimen can def orm d namical y by the he t generated f rom the

test f lame an the burned sp cimen itself (se Fig re A.1) Theref ore, it may b dif f ic lt to

determine whic is the ne rest corner to the burner

When the sp cimen c rls up, it can b imp s ible to a ply the f lame to the corner In ad ition,

if the sp cimen def orms severely, the f lame a pl cation p int can b away f rom the clamp d

p rt of the sp cimen This An ex sp cif ies the detai ed f lame a pl cation p int in those cases

A.2 J-sha e or twisting def ormation

When the sp cimen deforms l ke J-s a e or twists, it may ha p n that b th corners are the

same distan e from the burner In that case, a ply the f lame to the mid le p int b twe n b th

corners (se Fig re A.2) an maintain this a pl cation u ti either corner b comes ne rest to

the burner

A.3 Curl ng def ormation

When the sp cimen c rls up, a ply the test f lame to the ne rest p int at the b t om of the

sp cimen (se Fig re A.3)

A.4 Severe def ormation

Even if the f lame a plcation p int is away from the clamp d p rt of the sp cimen d e to the

severe deformation, a ply the test f lame to the ne rest corner to the burner (se Fig re A.4)

Fig re A.1 – Flame appl c tion p ints for a spe ime whic def orms dy amic l y

IEC

Figure A.2 ) – Flame ap lc tio p int for a twisted spe imen

Figure A.2b) – Flame ap lc tio p int for a J-shaped spe imen

Fig re A.2 – Flame appl c tion p int f or twiste a d J-s ape spe ime s

IEC IEC

Figure A.3 – Flame ap l c tion point f or a c rle spe ime

IEC

Figure A.4 – Flame ap l c tion point whe th re is s v re deformation

IEC

Bibl ography

[1] IEC 6 6 5-1-10:2 0 , Fire h z rd te tin – P art 1-10: Guida c for a s s in the fire

h z rd ofelectrote h ic l prod ucts – Ge eral g id eli e

[2] IEC 6 6 5-1-1 :2 10, Fire h z rd te tin – P art 1-1 : Guida c for a s s in the fire

h z rd ofele trotec nic l prod ucts – F e h z rd a s s me t

[3] IEC 6 6 5-1-3 :2 0 , Fire h z rd te tin – P art 1-3 : Guida c for a s s in the fire

g ideline

[4] IEC 6 6 5-1 -5:2 0 , Fire h z rd te tin – P art 1 -5: Te t flame – N eed le-flame test

method – Ap aratus, c nfirmatory te t ara g me t a d g idan e

[5] ISO 10 3-1:2 1 , P lastic – Symb ls a d a bre iated terms – P art 1: Ba ic p lymers

a d their s e ial c ara teristic

[6] ISO 5 2 -2:19 4, Ac ura y (tru n s a d pre ision) of me s reme t methods a d

re ults – P art 2: Ba ic method for th determin tio ofre e ta ility a d re roducibility

of a standard me s reme t method

_ _ _ _ _ _

5.2 Limitation s r l uti sation des rés ltats d'es ai 4

5.3 Pro riétés ph siq es q i p u ent af fecter le comp rtement en combu tion 4

5.4 Rétractation et déformation 4

5.5 Ef f ets d con ition ement de lé rou et e d'es ai 44

7.4.2 Mas e volumiq e, f usion et c arge/renforcement 4

7.4.3 Couleur (é rou et es d'es ai b r e u u iq ement 4

7.5 Mes res de l é ais eur 47

8 Procéd re d'es ai 4

8.1 Con ition ement 4

8.1.1 Général tés 4

8.1.2 Con ition ement des é rou et es dan u e c ambre de

con ition ement ("en létat de réce tion") 4

8.1.3 Con ition ement des é rou et es dan u e étu e à circ lation d'air 4

8.1.4 Con ition ement d cou sin de coton 4

8.1.5 Con ition d'es ai 48

8.2 Procéd re d'es ai – Éprou et es d'es ai b r e ux 4

8.2.1 Montage de lé rou ete d'es ai 4

8.2.2 Montage de la f lamme 4

8.2.3 Ap l cation de la f lamme et o servation 4

8.2.4 Critères de ré étition d'u es ai 4