Tiêu chuẩn iso 02286 1 2016

© ISO 2016 Rubber or plastics coated fabrics — Determination of roll characteristics — Part 1 Methods for determination of length, width and net mass Supports textiles revêtus de caoutchouc ou de plas[.]

Rubber- or plastics-c oated

Part 1:

S p ort te xtile s r vê tus de ca utch uc o de plastique —

Déte mination de s caractéristiques des ro lea x —

Partie 1: Méth de s de déte mination de la lo g eur, de la largeur et

de la masse nete

S con edition

2 16-0 -1

Refer ence n mb r

ISO 2 86-1:2 16(E)

F reword i v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions 1

4 A pparatus 1

5 Proc ed re .2

5.1 General 2

5.2 Dete mination of leng th 2

5.3 Dete mination of usa le width 2

5.4 Dete mination of net mas 2

6 Test rep r t 2

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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

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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

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 hnical Bar ie s t o Trade (TBT) se the fol owing URL: F or word – Sup lementary

information

The committ ee r sp nsible for this document is ISO/TC 45, R ub e a d ru be produc ts , Subcommitt ee

SC 4, Produc ts (othe th n h s es)

This se on edition canc ls an r plac s the f irs edition (ISO 2 8 -1:1 9 ), w hich has be n t ech icaly

r vised The chang es ar as folow s:

— in Cla use 2, ISO 2 3 :1 89 has be n ad ed;

— in 5.1, the s at ement on the atmosphe ic con itionsan r la ation of t ension has be n incorp rat ed;

— in 5.2, the alowanc of the final length in measur ment has be n chang ed;

— in 5.3 an 5.4, the t ole anc has be n chang ed t o mor flexible;

— in Cla use 6, it em b)has be n ad ed

ISO 2 8 consis s of the folowing p rt , u de the g ene al title Ru be – or plas tic s–c oated fbric s —

Dete min tio o rol charac te i s tic s:

— Part 1: Meth ds f r dete min tio o len th, w idth a d net mas s

Rubber- or plastics-c oated fabrics — Determination ofrol

Part 1:

WARNING — Per ons using this International Standard sho ld be fami iar with normal

laboratory practice This International Standard does not purport to addres al of the

safety pro lems, if any, as ociated with its use It is the respo sibiity of the use to establsh

appropriate safety and he lth practices and to ensure complance with any natio al re ulatory

co ditio s

This p rt of ISO 2 8 spe if ies methods of det ermining the length, width an net mas of a rol of

rub er- or plas ics-co t ed fa rics

2 Normati ve r eferences

The folowing document , in w hole or in p rt, ar normatively r fe enc d in this document an ar

in ispensa le for it a pl cation F or dat ed r fe enc s, only the edition cit ed a pl es F or u dat ed

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

ISO 2 3 :1 8 , R ub e - or plas tic s-c oated fbric s — Sta dard atmos phe es fr c onditio in a d tes tin

3 Terms and definitions

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

3.1

usable width

width of a co t ed fa ric, ex clu ing the selvedg e, w hich is consist ent in it pro e ties, u iformly f inished,

an fr e from u ac epta le flaw s

4 A pparatus

4.1 Me sur ing sur fac e, comprising a flat horizontal surfac not les than 5 m long and at leas as wide

as the r ol to be examined Both long itudinal edg es of this surfac shal be mar ked of in 1 m leng ths At

leas one of these leng ths, pr efer ably at the end of thesurfac , shal be mar ked at 1 cm inte v ls

4.2 Me sur ing s ale, of a leng th g r eate than the width of the fa ric to be measur ed, g raduated in

mi imetr es

4.3 Balanc e, ac urate to the neares 10 g

5 Proc edure

5.1 General

R ecord theatmosphe ic t empe atur and the h midity in w hich measur ment t ook plac t og ethe with

a s at ement as t o w hethe the co t ed fa ric was measur d dir ctly from the rol or aft er being alowed

t o r la t ension fr e

When an environment t o control the atmosphe ic t empe atur an the h midity is a aia le, it is

r commen ed that co t ed fa rics ar con itioned in an environment complying with the method of

con itioning “1” in ISO 2 3 :1 89 for a minimum of 1 h prior t o measur ment of length, width an net

mas It is also advisa le w hen measuring length or width t o u rol the fa ric ont o a flat surfac an t o

alow the fa ric t o come t o eq i brium without t ension for a minimum of 1 h

5.2 Deter mination of leng th

Proc ed eithe as desc ibed in the folowing p ra ra h of this subclause, or use any othe suita le

me hanical, ele trome hanical or phot oele tric eq ipment for measuring co t ed-fa ric length The

alt ernative means of measur ment, howeve , can be unsuita le for ext ensible co t ed fa rics such as

those ha ing a k itt ed subs rat e

Trim the cut en of the rol so that it is at right angles t o the longitu inal a is of the rol, conf ining the

trimming t o theminimum ne es ary t o ensur pe pen icularity W ith the cut en of the rol coincident

with the z ro mark on the measuring surfac (4.1), u rol the mat erial along the surfac in such a

manne that no t ension isintrod c d On r aching the othe en of the surfac , mark the b ck of the rol

in some suita le wa at both edg es so that the marks coincide with a p rticular division of length R

e-rol the length that has be n measur d La out, fr e from t ension, a furthe length of the u measur d

p rt of the rol , an measur from the edg e marks, as befor R epeat this proc s u ti the en of the

rol a pears, trimming this as ne es ary u ti it is at right angles t o the longitu inal a is of the rol,

a ain conf ining thetrimming t o the minimum ne es ary t o ensur pe pen icularity Measur the f inal

length t o the near s 1 0 mm u les othe wise spe ified betwe n the int er st ed p rties

In cases of disput e, this method shal bethe r fe e method

5.3 Deter mination of usable width

Whi e the co t ed fa ric is unroled an fr e of t ension d ring the measur ment desc ibed in 5.2,

measur , using the measuring scale (4.2), an r cord, at int erv ls of 1 m, the usa le width of the co t ed

fa ric t o the near s 5 mm unles othe wise spe if ied betwe n the int er st ed p rties, ensuring that al

measur ment of width ar taken at right angles t o the longitu inal a is of the rol

For rols les than 2 m long, measur the width at thr e p sitions, i.e near the two en s an in the mid le

5.4 Deter mination of net mas

Use the b lanc (4.3) t o det ermine the mas of the tube or forme upon w hich the co t ed fa ric was

b) theatmosphe ic t empe atur an the h midity at the time of the measur men

c) a complet e desc iption of the co t ed fa ric;

d) thelength of the rol, in metr s, rou ded down t o the near s 0,1 m;

e) themean of the r corded widths t o the near s 5 mm, an also the minimum usa lewidth r corded;

f) thenet mas of the rol , t o the near s 1 0 g;

g) detai s of the eq ipment used t o measur the length in 5.2;

h) detai s of any deviations from the proc d r spe ified;

i) thedat e of the det erminations