GB/T 3403.1-2008 Plastics - Urea-formaldehyde and urea/melamine-formaldehyde powder moulding compounds(UF-and UF/MF-PMCs)- Part 1: Designation system and basis for specifications
Plastics - Urea-formaldehyde and urea/melamine-formaldehyde powder moulding compounds(UF-and UF/MF-PMCs)- Part 1: Designation system and basis for specifications