- 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。
- 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。
