Different grades of crystal polystyrene molding pellets range from 150, 000 to 350, 000 weight average molecular weight . 不同牌号的结晶聚苯乙烯模塑粒料平均分子量范围从150,000-350,000。
Viscosity - average molecular weight viscosity - average molar mass 黏均分子量
Weight - average molecular weight , weight - average molar mass 重均分子量
Number - average molecular weight , number - average molar mass 数均分子量
Test method for average molecular weight of fatty quaternary ammonium chlorides 脂族季铵氯化物平均分子量的测试方法