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1、ICS 83.060 CCS G 35 T/CSTM 00538E2021 Liquid acrylonitrile-butadiene rubber 液体丙烯腈-丁二烯橡胶(English Translation)Issued by Chinese Society for Testing&Materials,Zhongguancun Issue date:2023-01-13 Implementation date:2023-04-13 T/CSTM 00538E2021 Foreword CSTM/FC05/TC02(The rubber and rubber products techn
2、ical committee of chemical materials field committee of Chinese Society for Testing&Materials)is in charge of this English translation.In case of any doubt about the contents of English translation,the Chinese original shall be considered authoritative.This document is drafted in accordance with the
3、 rules given in the GB/T 1.12020 Directives for standardization Part 1:Rules for the structure and drafting of standardizing documents.Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.The issuing body of this document shall not be h
4、eld responsible for identifying any or all such patent rights.This document was proposed by Field Committee CSTM/FC05,Chemical materials.This document was prepared by Field Committee CSTM/FC05,Chemical materials,Technical committee TC02,Rubber and rubber products.T/CSTM 00538E2021 Liquid acrylonitri
5、le-butadiene rubber 1 Scope This document specifies the requirements and inspection rules of liquid acrylonitrile-butadiene rubber(L-NBR);describes the corresponding test methods;and also specifies the items on packaging,marking,transportation and storage.This document is applicable to L-NBR synthes
6、ized by emulsion polymerization process using butadiene and acrylonitrile as monomers.2 Normative references The following referenced documents are indispensable for the application of this document.For dated references,only the edition cited applies.For undated references,the latest edition of the
7、referenced document(including any amendments)applies.GB/T 1632.1,Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometers Part1:General principles GB/T 4498.12013,Rubber Determination of ash Part 1:Muffle furnace method GB/T 81702008,Rules of rounding off fo
8、r numerical values and expression and judgement of limiting values GB/T 24131.12018,Rubber,raw Determination of volatile matter content Part 1:Hot-mill method and oven method SH/T 1149,Synthetic rubber latex Sampling SH/T 1157.1,Rubber,raw Determination of bound acrylonitrile content in acrylonitril
9、e-butadiene rubber(NBR)Part 1:Combustion(Dumas)method SH/T 1157.2,Rubber,raw Determination of bound acrylonitrile content in acrylonitrile-butadiene rubber(NBR)Part2:Kjeldahl method 3 Term and definitions No terms and definitions are listed in this document.4 Requirements 4.1 Appearance L-NBR is light yellow or brown viscous liquid.4.2 Technical requirements The technical requirements of L-NBR shall be as specified in Table 1.