科思创拜耳DesmodurL75固化剂 加成物75%固含快干高硬度 TDI芳香族异氰酸酯 木器家具面漆专用双组分聚氨酯固化剂
科思创（原拜耳）DesmodurL75 是TDI加成物芳香族聚异氰酸酯固化剂，75%固含乙酸乙酯溶剂，NCO含量13.3±0.4%，游离TDI单体低。固化速度快，漆膜硬度高、耐磨耐溶剂、耐油耐热，与羟基丙烯酸、饱和聚酯树脂相容性优异，常温自干。主打双组分 PU 木器面漆、地板漆、金属工业漆，也可用于聚氨酯胶粘剂。
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