Home / Standards / GB/T 5161-2025 GB/T 5161-2025 Active Metallic powder—Determination of effective density—Liquid immersion method 金属粉末 有效密度的测定 液体浸透法 Standard Type GBT ICS 77.160 CCS H21 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A