GB/T 8658-1998
Rubber,raw styrene-butadiene,emulsion-polymerized--Determination of bound styrene content--Refractive index method 乳液聚合型苯乙烯-丁二烯橡胶生胶结合苯乙烯含量的测定 折光指数法 |
GB/T 8656-1998
Styrene-butadiene rubber(SBR)--Emulsion and solution-polymerized types--Evaluation procedures 乳液和溶液聚合型苯乙烯-丁二烯橡胶(SBR)评价方法 |
GB/T 6594.1-1998
Polystyrene (PS) moulding and extrusion materials--Part 1:Designation system and basis for specifications 聚苯乙烯(PS)模塑和挤出材料 第1部分:命名系统和分类基础 |
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