Home / Standards / GB/T 46400-2025 GB/T 46400-2025 Active Textile—Determination of pore size characteristics—Gas-liquid replacement method 纺织品 孔径特征的测定 气液置换法 Standard Type GBT ICS 59.080.30 CCS W04 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国纺织工业联合会 Drafting Unit N/A