Home / Standards / GB/T 21866-2025 GB/T 21866-2025 Active Test method for antiviral activity and antimicrobial of paints film 涂膜抗病毒活性和抗菌性测定法 Standard Type GBT ICS 87.040 CCS G50 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A