Home / Standards / GB/T 21988-2008 GB/T 21988-2008 Active Plastics-Vinyl chloride homopolymer and copolymer resins-Sieve analysis in water 塑料 氯乙烯均聚和共聚树脂 水中筛分析 Standard Type GBT ICS 83.080.20 CCS G32 Status 现行 Issue Date 2008-06-04 Implementation 2008-12-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A