Home / Standards / GB/T 18964.1-2008 GB/T 18964.1-2008 Abolished Plastics - Impact-resistant Polystyrene (PS-I) moulding and extrusion materials -Part 1: Designation system and basis for specifications 塑料 抗冲击聚苯乙烯(PS-I)模塑和挤出材料 第1部分:命名系统和分类基础 Standard Type GBT ICS 83.080.20 CCS G31 Status 废止 Issue Date 2008-08-01 Implementation 2009-04-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A