通用型不饱和聚酯树脂 meaning in English
u aturated polyester resi for general purpose
unsaturated polyester resins for general purpose
Examples
- Hr - 103a is a general type unsaturated polyester resin designed for general type button making . thick is lower than 3mm
103a是专为钮扣设计的通用型不饱和聚酯树脂，具有空干性。