Tiêu chuẩn iso tr 02822 2 2017

© ISO 2017 Leather — Raw cattle hides and calf skins — Part 2 Guidelines for grading on the basis of mass Peaux brutes de bovidés — Partie 2 Lignes directrices pour le classement sur la base de la mas[.]

Leather — Raw cat le hides and calf

Part 2:

mass

Pea x brute s de b vidés —

Partie 2: Ligne s directrice s p ur le clas sement sur la b se de la masse

Refer ence n mb r

ISO/TR 2 2 -2:2 17(E)

Fir t edition

2 17-0

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F reword i v

Introduction v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions 1

4 Trimming 3

4.1 Catle hides 3

4.2 Calf skins 3

5 Deter minatio of mas 3

5.1 Raw hides and skins 3

5.2 Wet salted hides and skins 3

5.3 Dry salted hides an skins 3

5.4 Dried hidesan skins 3

6 Clas ification of hides and skins in difer ent c ountries 4

6.1 Ge many 4

6.2 North A me ica 4

6.3 South A me ica 5

6.4 North A frica 5

6.5 South A frica 5

6.6 Wes A frica 6

6.7 Eas A frica 6

6.8 China 6

6.9 In ia and Pakistan 7

6.1 United K ing dom 7

Biblog raphy 10

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 ( e 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 ( e www.iso.org p t 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

For an ex lanation on the meaning of ISO spe ific terms an ex r s ions r lat ed to conformity as es ment,

as wel as information a out ISO’s adhe enc to the Wor ld Trade Org nization (WTO) principles in the

Te h ical Bar ie s to Trade (TBT) se the folowing URL: www.iso.org iso/ for word.html

This document was pr par d b Te hnical C mmitt ee ISO/TC 1 0, Leathe , Subcommitt ee SC 1, Raw

hides a d skins includin pickled pelts

A l s of al p rt in theISO 2 2 se ies can be fou d on the ISO websit e

The v riation in weight rang es ofcat le hidesan calf skins pr v i ng among r sour e countries w hen

graded b sed on mas an siz is usualy far t oo larg e t o be ac ommodat ed in a common s an ard This

document has be n develo ed as a t ech ical r p rt t o se ve as a r fe enc

Leather — Raw cat le hides and calfskins —

Part 2:

This document pro ides guidel nes for grading cat le hides an calf skins on the b sis of mas It l s s

the practic s folowed in those cou triesthat prod c cat le hides an calf skins

2 Normati ve r eferences

The e ar no normative r fe enc s in this document

3 Terms and definitions

F or the purposes of this document, the folowing t ermsand definitions 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

baby calf

smal, lghtweight skin of mas upt o 4,0 kg gr en weight rom a y ung, mik-fed b vine

3.2

bul hide

hide from an uncas rat ed male b vine

Note 1 t o entry: Hides from bul s are characterized by thick an rough he d, neck an shoulder , an by co r e

flan s B l hides are oft en po r in q ality an he v , weighing 27 kg an u wards

3.3

cat le hide

out er co e ing of a ful y grown b vine

Note 1t o entry: Conventional hides are those whose mas ex ce ds the folowing:

— in Denmark, 1 kg salted weight;

— in France,a out 14 kg salted weight;

— in German ,14 kg gre n weight;

— in Italy, a out 14 kg salted weight;

— in Spain, 14 kg gre n weight;

— in Sweden, 1 kg salted weight;

— in the UK, 16 kg gre n weigh

— in the USA an In ia, a out 7 kg salted weight

cow calf skin

skin of a y u g or immatur b vine below a c rtain weight

Not e 1t o entry: Conventionaly, this weight is:

— in Denmark,1 kg salted weight;

— in France,a out 14 kg salt ed weigh

— in German , 14 kg gre n weigh

— in Italy, a out 14 kg salt ed weight;

— in Spain, 14 kg gre n weight;

— in Sweden, 1 kg salt ed weigh

— in the UK, 16 kg gre n weight;

— in the USA an In ia, a out 7 kg salted weight

3.5

cow hide

hide of a female b vine w hich has the spr ad, p tt ern an charact eris ics of ha ing b rne calves

3.6

dried hide

hide cur d b drying un e shade

3.7

dried skin

skin cur d b drying u de shade

3.8

dry salted hide

hide cur d b tr ating with salt

E AMP E B sprin ling with solid salt or immer ing in brine an then drying out

3 9

dry salted skin

skin cur d b tr ating with salt

E AMP E B sprin ling with solid salt or immer ing in brine an then drying out

3.10

gre n hide

cat le hide aft er dis ip tion of normal body heat, trimmed and defatt ed as a pro riat e with alowanc s

made for mois ur , d ng an / r othe extraneous mat erial, an befor tr atment with sodium chloride

or othe chemical or natural curative ag ent or proc s

3.11

gre n skin

calf skin aft er dis ip tion of normal b dy heat, trimmed an defatt ed as a pro riat e with alowanc s

made for mois ur , d ng an / r othe extraneous mat erial, an befor tr atment with sodium chloride

or othe chemical or natural curative ag ent or proc s

3.12

o hide

b vine hide, othe than a b b c alf(3.1), b l hide (3.2), c at le hide (3.3) or c ow c alfskin (3.4), being

eithe a female lacking the spr ad, patt ern an charact eris ics of ha ing borne calves, or a male that is

not a bul

ve l skin

skin of an immatur b vine w hich, aft er weaning, has not be n fed on gras but on a mi k diet and has

be n alowed t o grow comp ratively larg e, yielding a skin thicker an hea ie than a calf kin

3.1

wet salted hide

hide cur d b tr ating with sold salt on the flesh side

3.1

wet salted skin

skin cur d b tr ating with sold salt on the flesh side

4.1 Cat le hides

Befor being clas ified b weight, for shanks should be k e -trimmed, hin shan s trimmed sq ar at

the hock an r mo ed from the rump an briske , the but fairly sha ed, an horns, taib nes an head

meat r mo ed Heads should be trimmed b r mo ing the mask (p t es), ears an lps, lea ing only the

che ks Tais should be trimmed t o not mor than 3 0mm

If the che k of a hide bearsa cut of mor than 8 mm in length, the p rtion of the che k bey n the cut

should be r mo ed b contin ing the cut in b th dir ctions

4.2 Calf skins

Befor being clas ified b weight, shanks should be trimmed short, taib nes should be r mo ed an

the skin should be without head, i.e cut of behin the ears an without che ks

R efe enc ma also be made t o ISO 2 2 , w hich pro ides an o timum method of trimming

5.1 Raw hides and skins

Weigh raw cat le hides t o the near s 0,5 kg an raw calf skins t o the near s 0,1 kg Alowanc s should

be made for d ng an flesh lef on the hide or skin

5.2 Wet salted hides and skins

Open each hide or skin t o be weighed Shake it violently b hit ing the flesh side an grain side onetime

each a ains the r ctangular sup ort, 3 0 400 mm high R emo e left ove salt b brushing Weigh wet

salt ed cat le hides t o the near s 0,5kg an wet alt ed calf skins t o the near s 0,1kg

NOTE An mechanical methods of desalting can b utilized for the p rpose

5.3 Dry salted hides and skins

Open each hide or skin t o the weighed Shake it t o r mo e any extraneous matt er Weigh dry salt ed

cat le hides and calf skins t o the near s 0,1 kg

5.4 Dried hides and skins

Open each hide or skin t o be weighed Shake it t o r mo e any extraneous matt er Weigh dried cat le

hides an calf skins t o the near s 0,1kg

6 Clas ification of hides and skins in diferent c ountr ies

Table 1 — Clas ificatio based on gre n weight

1 ,0 1 ,5

2 ,0 24,5

2 ,0 2 ,5

3 ,0 3 ,5

40,0 49,5

5 ,0 5 ,5

60,0 plus

5,0–7,5

8,0 1 ,0

1 ,5 14,5

Siz :1 k of raw material would me sure ap ro imately 0,0 m

2

(1 f 2

)

6.2 North A mer ica

Table 2 — Clas ification based o salted weight

C w an bul hides

Light native

He v native

Bran ed

1 ,5 2 ,0

2 ,5a ove

1 ,5 an a ove

St ee hides

Ex-light native

Light native

He v native

1 ,5– 22,0

2 ,5 26,0

26,5 an a ove

1,9 2,2

2,3 3,2

3,3 4,0

4,1 5,5

5,6–7,5

7,6– 1,5

1 ,6– 3,5

Siz :1 k of raw material would me sure ap ro imately 0,1 m

2

(1,2 f 2

)

6.3 S uth A mer ica

Table 3 — Clas ification based on salted weight

Mamones (milk calves)

Terneros (yearlings)

Becer os (calves)

Vaq il onas (light cows)

Vacas (cows)

Novil itos (light ox en)

Novil os (ox en)

Toros (bul s)

Un er 3,5

4,0–7,0

7,5 1 ,5

Up t o 1 ,0

1 ,5 plus

17,0 2 ,0

2 ,0 plus

1 ,0 plus

Siz :1 k of raw material would me sure 0,1 m

2

(1,4 f 2

)

6.4 North A frica

Table 4 — Clas ification based on salted weight

Calf skins

Gras er

Hides

1,0 6,0

6,5 1 ,0

1 ,5 2 ,0

2 ,5 24,0

24,5 plus

Siz :1 k of raw material would me sure 0,14–0,1 m

2

(1,5–1,6 f

2

)

6.5 S uth A frica

Table 5 — Clas ificatio based o air-dried material

Calf skins

Hides

Up to 2,5

3,0 5,5

6,0–7,5

8,0 9,0

Siz :1 k of raw material would me sure 0,28–0,30 m

2

(3,0– ,2 f

2

)

6.6 West A fr ica

Table 6 — Clas ificatio based o dried weight

Calves

Hides

Up t o 1,8

2,3 3,2

3,7 –5,5

6,0–7,2

7,7– 0,0

1 ,5an a ove

Siz :1 k of raw material would me sure 0,30–0,3 m

2

(3,2 3,4 f

2

)

6.7 East A fr ica

Table 7 — Clas ificatio based o dried weight and salted weight

2,3 3,2

3,7– ,5

5,5 1 ,0

1 ,5 2 ,0

2 ,5 2 ,0

Siz :1k of dried material w ould me sure 0,30–0,3 m

2

(3,2 3,4 f

2

) 1k of salted material w ould me sure 0,14–0,14 m

2

(1,5–1,6 f )

6.8 China

Table 8 — Clas ificatio based o dried weight

3,0 4,5

5,0 6,5

7,0 9,0

9,5 1 ,5

14,0 an a ove

5,0 6,5

7,0 9,0

9,5 1 ,0

1 ,5 1 ,5

14,0 an a ove

Siz :1 k of raw material would me sure 0,30–0,3 m

2

(3,2 3,6 f

2

)

6.9 India and Pakistan

Table 9 — Clas ificatio based o wet salted, dry salted and dried weights

Siz :1 k of wet alted material w ould me sure 0,14 m

2

(1,5f )

6.10 United King dom

Table 1 — Clas ification based o gre n weight

2 ,5 2 ,5

24,0 27,5

2 ,0 3 ,5

3 ,0 36,5

37,0 an a ove

2 ,5 27,5

2 ,0 3 ,5

3 ,0 36,5

37,0 41,5

42,0 4 ,5

47,0 an a ove

2 ,5 36,5

37,0 4 ,5

47,0 54,5

5 ,0 an a ove

4,5 6,0

6,5 8,0

8,5 1 ,0

1 ,5 1 ,0

1 ,5 14,0

14,5 16,0

Siz :1 k of raw material w ould me sure 0,1 –0,17 m

2

(1,6–1,8 f

2

)

Table 1 — Clas ification based o wet salted weight

1 ,5 2 ,0

2 ,5 24,5

2 ,0 2 ,0

2 ,5 3 ,0

3 ,5 an a ove

2 ,5 24,5

2 ,0 2 ,5

2 ,0 3 ,0

3 ,5 37,5

3 ,0 42,0

42,5 an a ove

2 ,5 24,5

2 ,0 3 ,0

3 ,5 41,0

41,5 48,0

48,5 an a ove

3,9 5,6

5,7 –7,4

7,5 9,1

9,2 1 ,8

1 ,9 1 ,5

1 ,6– 4,2

Table 12 — Clas ificatio based o dry salted weight

1 , 9– 6,5

16,6– 21,9

2 ,0 an a ove

1 , 9– 6,5

16,6– 21,9

2 ,0 an a ove

3,1 5,5

Table 13 — Clas ificatio based o dried weight

3,7 –5,5

5,6–7,3

7,4 an a ove

3,6

3,7 –5,5

5,6–7,3

7,4 an a ove

1,1 1,8

Bibl og raphy

[1] ISO 2 2 , Leathe – R aw hides o c at le a d h rs es – Meth d o trim

ICS  59.140.20

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