non-yellowing polyurethane

• 不黄变聚氨酯

non-yellowing polyurethane的用法和样例：

例句

1. A basic synthesis process of non-yellowing polyurethane adhesive by prepolymer method is introduced.
   介绍预聚体法合成不黄变聚氨酯胶黏剂的基本工艺。