BS 2782-4 Method 454G-1996 塑料试验方法.第4部分:化学特性.方法454G:高聚物分散法.筛分余值测定(大颗粒和凝固物含量)

标准号：BS 2782-4 Method 454G-1996
中文标准名称：塑料试验方法.第4部分:化学特性.方法454G:高聚物分散法.筛分余值测定(大颗粒和凝固物含量)
英文标准名称：Methods of testing plastics - Chemical properties - Polymer dispersions - Determination of sieve residue (gross particle and coagulum content)
标准类型：G31
发布日期：1996/10/15 12:00:00
实施日期：1996/10/15 12:00:00
中国标准分类号：G31
国际标准分类号：83.080.01
适用范围：This International Standard specifies a method of determining the sieve residue (gross particle and coagulum content) of polymer dispersions, i.e. of par-ticles much greater in diameter (for example 10 or 100 times) than the mean diameter of the other particles. This determination is carried out by sieve analysis. The sieves used depend on the type of dispersion under test and are in consequence to be specified, or agreed upon by the interested parties, for each dispersion or group of closely related dispersions. This International Standard refers only to coagulum-type content. Skinned material and fragments of skin larger than 5 mm are avoided while taking the sample (see clause 6)