Rigid Polyurethane

• 硬质聚氨酯

Rigid Polyurethane的用法和样例：

例句

1. Accelerated hygrothermal aging tests of rigid polyurethane foam were carried out to simulate the in-door store lifetime.
   对硬质聚氨酯泡沫塑料进行了贮存寿命预测研究。
2. It is a good-quality and new-type product used for manufacturing rigid polyurethane cellula plastic.
   主要应用于生产硬质聚氨酯泡沫塑料，是一种优良的新型产品。