Tiêu Chuẩn Iso 09151-2016.Pdf

© ISO 2016 Protective clothing against heat and flame — Determination of heat transmission on exposure to flame Vêtements de protection contre la chaleur et les flammes — Détermination de la transmiss[.]

Protecti ve clothing against heat

Vê tement de protection co tr la ch leur et le s flamme s —

Déte mination de la tra smission de ch leur à l’e xp sition d’u e

COPYRIGHT PROTECTED DOCUMENT

© ISO 2016, P blshed in Sw itz rlan

A ll rig hts r eserved Unles otherw ise spe ified, nopar of this p blc tion ma y be r epr od c d or utilz d otherw ise in an form

or b an me ns, ele tr onic or me hanic l, inclu in p oto opying , or postin on the internet or an intranet , w ithout prior

written permis ion Permis ion c n be req esed from either ISO at the ad r es below or ISO’s member bod y in the c u try of

F reword i v

Introduction v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms and definitions 1

4 Principle 2

5 A pparatus 2

5.1 General 2

5.2 Gasburne 2

5.3 Co pe disc calorimete an mou ting block 2

5.4 Spe imen supp rt frame 5

5.5 Calorimete location plate .6

5.6 Sup ort tan 6

5.7 Re or de 8

5.8 Flat rig id template 8

6 Precautions 9

7 S mpl ng 9

7.1 Spe imen dimensions 9

7.2 Numbe of spe imens 9

8 Co ditioning and testing atmospheres 9

8.1 Conditioning atmospher e 9

8.2 Tes ing atmosphere .9

9 Test pr oc edure 9

9.1 Pr eparation an calbr ation 9

9.1.1 Pr elminary pr oc d r es 9

9.1.2 Reg ulation of the incident heat flux 1

9.2 Tes spe imen mounting 1

9.3 Tes spe imen ex osur e 1

10 Test rep r t (se A nne x C) .12

A nne x A (informative)Sig nificanc e of the he t transfe test 13

A nne x B (informative)Avai abiity of mater ials 15

A nne x C (informative) E ample test rep r t for m 16

ISO (he Int ernational Org nization for Stan ardization) is a worldwidefede ation of national s an ards

b dies (ISO membe b dies) The work of pr p ring Int ernational Stan ards is normaly car ied out

through ISO t ech ical committ ees Each membe b dy int er st ed in a subje t for w hich a t ech ical

committ ee has be n es a lshed has the right t o be r pr sent ed on that committ ee Int ernational

org nizations, g ove nmental an non-g ove nmental, in laison with ISO, also take part in the work

ISO cola orat es closely with the Int ernational Ele trot ech ical C mmis ion (IEC) on al matt ers of

ele trot ech ical s an ardization

The proc d r s used t o develo this document an those int en ed for it furthe maint enanc ar

desc ibed in the ISO/IEC Dir ctives, Part 1 In p rticular the dife ent a pro al c it eria ne ded for the

dife ent ty es of ISO document should be not ed This document was draft ed in ac ordanc with the

edit orial rules of the ISO/IEC Dir ctives, Part 2 www.iso.org dir ctives

A tt ention is drawn t o the p s ibi ity that some of the element of this document ma be the subje t of

p t ent right ISO shal not be held r sponsible for identifying any or al such p t ent right Detais of

any p t ent right identified d ring the develo ment of the document wi be in the Introd ction an / r

on the ISO ls of p t ent de larations r c ived www.iso.org pat ent

Any trade name used in this document is information given for the convenienc of use s an does not

cons itut e an en orsement

F or an ex lanation on the meaning of ISO spe ific t erms an ex r s ions r lat ed t o conformity

as es ment, as wel as information a out ISO’ s adhe enc t o the World Trade Org nization (WTO)

principles in the Te h ical Bar ie s t o Trade (TBT), se the folowing URL: ht p:/ www.iso.org iso /

for word.html

The committ ee r sp nsible for this document is ISO/TC 94, Pe s on l s afet y — Protec ti ve clothin a d

eq ipmen Subcommitt ee SC1 , Protec ti ve clothin and b Te hnical Committ ee CEN /TC 1 2, Protec ti ve

clothin includin h nd a d arm protec tio a d lfejackets in cola oration

This se on edition canc ls an r plac s the firs edition (ISO 9 5 :1 9 ), of w hich Clauses/subclauses

2, 3.3, 5.1, 5.2, 5.3, 5.6, 6, 8.1, 8.2, 9.1.2, 9.3.1, 9.3.2, 1 , al figur s, an Annex es A an B ha e be n

t ech icaly r vised Tole anc s ha e be n ad ed t o spe if ied dimensions w he e a pro riat e R esult of

a r c nt int er-la orat ory trial have be n ad ed t o An ex A

To improve r prod cibi ity, the folowing major modifications ha e be n made from the pr vious

ve sion of this t es method:

a) The pe c ntag e minimum purity of the pro ane used has be n pro ided ( e 5.2);

b) Two alt ernative methods for cons ructing the calorimet er ar desc ibed with ad itional

information on the f igur s; ad itional ins ructions ar given for inse ting the calorimet er int o the

mou ting block ; an the t otal mas of the calorimet er and mou ting block is spe if ied ( e 5.3);

c) Tole anc s for the dimensions of machined p rt ha e be n added t o t ext an drawings w he e

r q ir d;

d) Control of air movement during t es ing is spe ified ( e Clause 6);

e) The spe if ied r lative h midity an t empe atur rang es for the con itioning an t es ing

atmosphe es ha e be n chang ed ( e 8.1 an 8.2);

f) Ad itional proc d r s for calbration an s a i zation of the mocouple t empe atur , inclu ing a

proc d r t o che k on the l nearity of the the mocouple output d ring r gulation of the incident

heat flux density, ha e be n ad ed ( e 9.1.1 an 9.1.2);an

g) Tes r p rt r q ir ment ha e be n r vised ( e Clause 1 )

Heat transmis ion through clothing is larg ely det ermined b it thick es inclu ing any air g ps

tra ped betwe n adjac nt la e s The air g ps can v ry conside a ly in dife ent ar as of the same

clothing as embly The pr sent method pro ides a grading of mat erials w hen t est ed u de s an ard

t es con itions without an air g p

Protecti ve clothing against heat and flame —

This document spe ifies a method for det ermining the heat transmis ion through mat erials or

mat erial as embles used in prot ective clothing Mat erials ma then be ranked b comp ring heat

trans e in ic s, w hich pro ide an in ication of the r lative heat transmis ion u de the spe ified t es

con itions The heat trans e in ex should not be taken as a measur of the prot ection time given b the

t est ed mat erials u de actual use con itions

2 Normati ve r eferences

The folowing document ar r fe r d t o in the t ext in such a wa that some or al of their cont ent

cons itut es r q ir ment of this document F or dat ed r fe enc s, only the edition cit ed a ples F or

un at ed r fe enc s, the lat es edition of the r fe enc d document ( inclu ing any amen ment ) a ples

ISO 5 2 - 2, Ac c uracy (truenes s a d pr c i s ion ) o meas ur ment meth ds a d r s ults — Part 2 : B as ic meth d

fr the dete min tion o r peata i t y a d r produc ibi t y o a s ta dard meas ur ment meth d

IEC 6 5 4-1, Thermoc ou les — Part 1: R efe enc e ta les

IEC 6 584-3, Thermoc ou les — Part 3: Ex tens ion a d c ompens atin c ables — Tole a c es a d

identific ation systems

3 Terms and definitions

F or the purposes of this document, the folowing def initions a ply

ISO an IEC maintain t erminolo ical data ases for use in s an ardization at the folowing ad r s es:

— IECEle tro edia: a aia le at ht p:/ www.ele tro edia.org

— ISO Onlne brow sing plat orm:a ai a le at ht p:/ www.iso.org o p

3.1

test specimen

al the la e s of fa ric or othe mat erials ar ang ed in the orde an orientation as used in practic ,

inclu ing, w he e a plca le, u de g rment fa rics

the method desc ibed in thisdocument using a co pe disc of mas (1 ± 0,0 ) g an incident heat flux

of ( 80 ± 2) k W/m

2

Not e 1 to entry: Within the cont ext of this document, the he t ransfer in e refer to the he t ransfer b tween

a flame an the t est specimen S e An e A

4 Principle

A horizontal y orient ed t es spe imen is r s rained from mo ing an subje t ed t o an incident heat

flux of ( 80 ± 2) kW/ m

2

from the flame of a g s burne plac d beneath it The heat p s ing through

the spe imen is measur d b means of a smal co pe calorimet er on t op ofan in contact with the

spe imen The time, in se on s, for the t empe atur in the calorimet er t o rise (24 ±0,2) °C is r corded

Themean r sult for thr et es spe imens iscalculat ed as the “heat rans e in ex (flame)

5.1 General

The a p ratus consis s of:

— a Meker g s burne ;

— a co pe disc calorimet er;

— a spe imen sup ort frame;

— a calorimet er location plat e;

— a sup ort tan ;

— suita le measuring an r cording eq ipmen

— a t emplat e

5.2 Gas burner

A flat t op ed Meker burne with a pe forat ed t op ar a of (3 ± 2) mm diamet er an a jet suita le for

pro ane g s shal be used ( Se Annex B for p s ible sour es )

Comme cial grade pro ane of 9 % minimum purity shal be used with the flow being controled b a

fine control v lve an flow met er Alt ernatively, othe g ses ma be used but such use shal be r p rt ed

as part of the t es r p rt

5.3 Copper dis calorimeter and mounting block

Co pe disc calorimet er, consis ing of a disc of co pe of minimum 9 % purity, ha ing a diamet er of

(40 ± 0,0 ) mm an thick es 1,6 mm, an a mas of (1 ± 0,0 ) g The disc shal be weighed befor

dri lng and as embly

The calorimet er shal be cons ruct ed as in icat ed in Figur 1 (method A) or Figur 2 (method B)

Insulat ed co per-cons antan the mocouple wir in ac ordanc with IEC 6 5 4-1 an IEC 6 5 4-3,

diamet er 0,2 4 mm ± 0 2 mm shal be used The cons antan wir shal be eithe inse t ed int o pr dri led

hole in the c ntr of the calorimet er an solde ed in plac with a minimum of solde (method A) or

shal be solde ed t o the b ck fac of the calorimet er as shown in Figur 2 (method B) The co pe wir

shal be at ached in the same manne , 1 mm t o 1 mm from the c ntr , so as not t o int erfe e with the

seating of disc in the mou ting block

NOTE T e specif ied thermocou le wire is eq ivalent t o T pe T – 36 g ug

The calorimet er is locat ed in a mounting block w hich shal consis of a 8 mm diamet er cir ular pie e

of asbest os-fr e non-combus ible heat insulating b ard ( Se An ex B) of nominal thick es 1 mm ( e

Figur 3) The the mal charact eris icsshal comply with the folowing spe ification:

3

Thermal con uctivity (0,1 0 ± 0,0 8)W/(m·K)

A cir ular ca ity is machined in the c ntr of the block t o ac ommodat e the disc an an air g pas shown

in Figur 3 The disc is held in p sition using smal s ainles st eel pins (0,45 mm diamet er or les )

w hich protru e through the b ck of the insulating block with sufficient length that they can be used t o

se ur the disc (method A – Figur 4) The mou ting pins shal be s ainles st eel, sof solde ed t o the

calorimet er using the minimum q antity of solde ne es ary If method B of mou ting the calorimet er

is chosen the calorimet er shal be at ached t o the mou ting block with a suita le high t empe atur

adhesive

The fac of the co pe disc shal be flush with the surfac of the mou ting block It hal also be co t ed

with a thin la e of an o ticaly black p int ha ing a coefficient of a sorption, α, gr at er than 0, 9 ( e

An ex B)

The t otal mas of the calorimet er/mou ting block as embly shal be ( 80 ± 1 ) g

Dimensions in milimetr es

a)Calorimeter as embly with mo nting pins omitted for clarity

b) C pper calorimeter showing locatio

of mo nting pins (additio al thermoco ple

wires omitted for clarity)

c) Co per calorimeter as embly

Key

Figure 1 — Co pe calorimeter (metho A)

Dimensions in milimetr es

Key

1 cop er thermocou le w ire, as close as practical to edg e of calorimeter

2 constantan thermocou le w ir e, ap r ox imately centr e of calorimeter

Figure 2 — Alternative calorimeter co struction (metho B) (ad itional the mocouple wir s

omitt ed for clarity)

Dimensions in milimetr es

Figure 4 — Calorimeter and mo nting block as embly (method A shown)

5.4 Specimen suppor t frame

Spe imen sup ort frame consis ing of a pie e of mi d st eel (carb n cont ent < 0,5 % ) (1 0

−+

0

0,5

) mm

sq ar an (1,6 ±0,1) mm thick with a (5 ± 0,5)mm sq ar hole in it c ntr ( e Figur 5) Mat erials

othe than mid st eel (e.g co pe ) ma also be used Tole anc s for machined p rt shal be

−+

5.5 Calor imeter location plate

Calorimet er location plat e made from a pie e of aluminium (149

−+

050

,)mm sq ar an (6 ± ,1) mm thick

an ha ing a cir ular hole 9 mm in diamet er locat ed c ntraly ( e Figur 6) The plat e shal ha e a

mas of (2 4 ± 1 )g Tole anc s for machined p rt shal be

−+

050

,

mm t o f it the spe imen sup ort rame

5.6 Support stand

Sup ort s an , used t o locat e the spe imen an calorimet er r lative t o the burne The t op fac of the

spe imen sup ort s an shal be (5 ± 2) mm a o e an paral el with the t op fac of the burne , with

the a is of the burne algned with the c ntr of the o ening in the sup ort rame ( e Figur 7)

It is convenient t o ha e a sh tt er between the burne an the spe imen supp rt frame If used, the

sh tt er shal o en complet ely in les than 0,5 s an shal be o e at ed immediat ely aft er placing the

burne in p sition It isuseful if the p sitioning of the burne , or the o ening of the sh tt er, if fitt ed, can

be used t o r cord the s art of theex osur

Dimensions in milimetr es

Figure 5 — Specimen supp rt frame

Dimensions in milimetr es

Figure 6 — Calorimeter location plate

Dimensions in milimetr es

The output of the the mocouple shal be r ad using a r corde or data lo g er with a t empe atur

r solution of at leas 0,2 °Can a time r solution of a minimum of 0,2 s

5.8 Flat rig id template

Flat rigid t emplat e, with dimensions 140 mm × 140mm, used for cut ing mat erial spe imens

6 Precautions

Pe form the t es in a ho d or ventiat ed ar a t o car y awa the fumes The t es location should be

sur ou ded b a v lumeof air suff icient not t o be afe t ed b any r d ction of o yg en conc ntration It

ma be ne es ary t o turn of the exhaus or t o shield the a p ratus d ring the t es so as not t o dis urb

the flame Air mo ement at the p int of t es shal be les than 0,2 m/s at the commenc ment of the t es

of each spe imen The eq ipment be omeshot d ring t es ing an some t es mat erials ma melt or drip

Use prot ective glo es w hen han l ng hot o je t

K eep combus ible mat erials awa from the burne Ensur that the solvent used for cleaning the

calorimet er is kept awa from hot urfac s an naked flames

The spe imens shal ha e the dimensions 140 mm × 140 mm an shal betaken from p int mor than

5 mm from the edg e of the pie es of the mat erial, in an ar a fr e from defe t C mp sit e spe imens

shal r prod c the ar ang ement in w hich the la e s ar used in practic Alt ernatively, spe imens ma

be taken from clothing samples ac ording t o a given prod ct s an ard

The spe imen shal be marked out using the t emplat e ( e 5.8)

7.2 Number of specimens

A minimum of thr e spe imens shal bet est ed for each mat erial or as embly of mat erials

8 Conditioning and testing atmospheres

8.1 Conditioning atmosphere

Prior t o t es ing, the spe imens shal be con itioned for at leas 24 h at a t empe atur of (2 ± 2) °C

an a r lative h midity of (6 ±5) % If t es ing is not car ied out immediat ely aft er con itioning, plac

the conditioned t es spe imens in a sealed containe Begin t es ing of each spe imen within 3 min of

r mo ing it from the con itioning atmosphe e or sealed containe

8.2 Testing atmospher e

Pe form the t es s in an atmosphe e ha ing a t empe atur of (2 ± 5) °C an a r lative h midity of 1 %

t o 8 % an w hich is fr e from draught ( e Cla use 6)

9 Test proc edure

9.1 Preparation and cal bration

9.1.1 Pr elminar y proc edures

Position the spe imen sup ort frame on the sup ort s an so that the t op surfac of the sup ort frame,

on w hich the spe imen is plac d, is (5 ± 2) mm a o e the t op fac of the burne It is sugg est ed that

a guide an st ops be used t o ena le the burne t o be p sitioned q ickly with it a is in lne with the

c ntr of the spe imen Alt ernatively, a sh tt er sy st em ma be used ( e 5.6)

Plac the burne t o one side, activ t e an ignit e the g s sup ly, an alow a minimum of thr e min t es