Home / Standards / GB/T 44542-2024 GB/T 44542-2024 Active Determination of ash and impurities content in carbon fiber and its precursor 碳纤维及其原丝灰分和杂质成分的测定 Standard Type GBT ICS 59.100.20 CCS Q53 Status 现行 Issue Date 2024-09-29 Implementation 2025-04-01 Responsible Dept 国家标准委 Drafting Unit N/A