The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc.
The first group is polyurethane prepolumer which is made from polyether resin and diisocyanate etc after polymerization; the second group is made by mixing up cross linker, accelerator, softener, densifier, mold preventive and stuffing etc.
甲组分别是以聚醚树脂和二异氰酸脂等为原料，经聚合反应制成的含端异氰酸脂基的聚氨基甲酸脂预聚物；乙组分别由交联剂、促进剂、增韧剂、增黏剂、防霉剂和填充剂等混合加工而成。