Testing of plastics; determination of the viscosity number of polyethylene terephthalate (PETP) or polybutylene terephthalate (PBTP) in dilute solution
塑料测试；聚对苯二甲酸乙二醇酯（PETP）或聚对苯二甲酸丁二醇酯（PBTP）稀溶液粘度值的测定
1985-01-01
GB/T 9345.2-2008
塑料 灰分的测定 第2部分：聚对苯二甲酸烷撑酯
Plastics - Determination of ash - Part 2: Poly(alkylend terephthalate)materials