A number of polyester modified rosin with foam formulations have been utilized to prepare rigid urethane foams.
若干聚酯改性松香及其泡沫配方已用于制备硬质尿烷泡沫。
The urethane foams is a kind of high molecular synthetic material and can be used widely. But being burned, it can get out the poisonous gas and results in some accidents with heavy losses of lives.
聚氨酯泡沫塑料是一种高分子合成材料，应用范围十分广泛，但聚氨酯泡沫塑料在火灾时能放出使人窒息死亡的毒气，特别是近年来已在一些场所造成重大的人员伤亡事故。
These chemicals are compatible and processable in urethane foam formulations and less flammable than foams derived from other conventional type glycols.
这些化学制品适合于尿烷泡沫加工，并较传统类型二元醇衍生的泡沫不易燃烧。
These chemicals are compatible and processable in urethane foam formulations and less flammable than foams derived from other conventional type glycols.
这些化学制品适合于尿烷泡沫加工，并较传统类型二元醇衍生的泡沫不易燃烧。
应用推荐