Home / Standards / GB/T 31405-2025 GB/T 31405-2025 Upcoming Test method for cathodic disbonding of pipeline protection coatings subjected to elevated temperatures 管道防腐层高温阴极剥离试验方法 Standard Type GBT ICS 25.220.99 CCS A29 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