Home / Standards / GB/T 47405-2026 GB/T 47405-2026 Upcoming Test methods for permeability of carbon fiber reinforcements used in liquid molding 液体成型用碳纤维增强材料渗透率测定方法 Standard Type GBT ICS 59.100.20 CCS Q 53 Status 即将实施 Issue Date 2026-03-31 Implementation 2026-10-01 Responsible Dept 国家标准委 Drafting Unit N/A