Still introduced activator Dabco 10 2 7 and Dabco 10 2 8 and existing activator answer deserve to use can shorten the occasional when drawing of patterns extends milky white time.

• 还介绍了催化剂Dabco 10 2 7及Dabco 10 2 8与现有催化剂复配使用可缩短脱模时间或延长乳白时间。