Home / Standards / GB/T 25256-2026 GB/T 25256-2026 Upcoming Optical functional films—Test method of peeling force at 180° angle and subsequent adhesion for the release film 光学功能薄膜 离型膜180°剥离力和残余黏着率测试方法 Standard Type GBT ICS 71.080.99 CCS G 15 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A