rigid foam

常见例句

A open cell polyurethane rigid foam for vacuum panel core material was prepared. The open cell percent of the core material is about 95%.
制備了用於聚氨酯真空隔熱板的開孔硬泡芯材，該泡沫芯材的開孔率達95%。
It is used to produce the model airplane without causing the tail to bend upwards. The difficulty for the stereotype of the rigid foam plastic wing with dome upper surface is solved.
它的目的用它制作航模，能尅服制作尾部上翹，上表麪略穹的硬質泡沫塑料機翼難以定型的睏難。
ip.com
A polyurethane(PU)rigid foam was prepared, using PAPI and the polyether polyols deried from starch ethylene glycol glycoside(EGG)as the main materials, and the foaming processing was studied.
以澱粉乙二醇糖甙聚醚、多苯基多次甲基多異氰酸酯（PAPI）爲主要原料，對聚氨酯硬質泡沫塑料的發泡工藝進行了研究。