Rubber -- Nitrile latex -- Determination of bound acrylonitrile content
适用范围:Specifies a method for the determination of the bound acrylonitrile content of emulsion-polymerized NBR latices. Does also apply to carboxylic-nitrile-butadiene (XNBR) latices and nitrile-isoprene (NIR...
发布日期:1995-12-01 实施日期:1995-12-01
Natural rubber latex concentrate -- Determination of alkalinity
适用范围:ISO 125:2003 specifies a method for the determination of the alkalinity of natural rubber latex concentrate. The method is not necessarily suitable for latices from natural sources other than Hevea bra...
发布日期:2003-07-01 实施日期:2003-07-01
Rubber, raw, natural -- Determination of castor oil content -- Part 2: Determination of total ricinoleic acid content by gas chromatography
适用范围:Applicable to all grades of natural rubber. The principle is based on extraction of any free ricinoleic acid and conversion to the acetate of methyl ricinoleate. Extraction of any castor oil glycerides...
发布日期:1990-11-01 实施日期:1990-11-01
Latex,rubber. Determination of total solids content
实施日期:2011-08-31
Material for primary processing of natural rubber latex concentrate-Fresh rubber latex
适用范围:本标准规定了从巴西三叶橡胶树采集且未经加工的鲜胶乳的术语、定义、质量要求与试验方法、检验规则以及包装、贮存和运输等。 本标准适用于加工氨保存离心或膏化浓缩天然胶乳的鲜胶乳。
发布日期:2013-05-20 实施日期:2013-08-01
Natural rubber latex concentrate. Determination of volatile fatty acid number.
Rubber,raw synthetic. Determination of the molecular-mass distribution of solution polymers by gel permeation chromatography Caoutchouc synthetique brut. Determination de la repartition de la masse mol...
适用范围:This International Standard describes a method for the determination of the molecular mass, expressed as polystyrene, and the molecular-mass distribution of polymers produced in solution which are comp...
实施日期:2004-03-31
Rubber latex—Determination of pH
适用范围:本文件描述了采用装有玻璃和银复合参比电极的pH计测定天然胶乳和合成胶乳pH值的方法。本文件适用于天然胶乳和合成胶乳。本文件也适用于预硫化胶乳和配合胶乳。
发布日期:2021-10-11 实施日期:2022-05-01
Natural rubber latex concentrate. Prevulcanized rubber latex
实施日期:1994-08-01
适用范围:本标准规定了测定生橡胶中水分和其他挥发性物质含量的两种方法:热辊法和烘箱法。这两种方法适用于测定列入GB/T 5576的R类像胶的挥发分含量。也可用于测定其他橡胶,但是在这些情况下,必须验证质量的改变只是挥发物损失而...
实施日期:1998-04-01
适用范围:本标准规定了环法测定合成橡胶胶乳表面张力。本标准适用于总固物含量为(40±1)%(m/m),且粘度小于200mPa·s的合成橡胶胶乳。
实施日期:2000-01-01
Rubber latices. Methods of test. Determination of boric acid content of natural rubber latex concentrate
Standard Specification for Rubber. Concentrated,Ammonia Preserved,Creamed,and Centrifuged Natural Latex
实施日期:2002-08-10
Natural rubber latex concentrate - Part 5 : Determination of mechanical stability (Fourth revision)
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