Home / Standards / GB/T 33319-2025 GB/T 33319-2025 Upcoming Plastics—Polyethylene compounds for breathable film 塑料 聚乙烯(PE)透气膜专用料 Standard Type GBT ICS 83.080.20 CCS G32 Status 即将实施 Issue Date 2025-12-02 Implementation 2026-07-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A