The performance tests show that the property of the film, such as hardness, impact resistance and gloss, are better than those of the solvent-base alkyd melamine coating.
性能测试表明：涂膜的硬度、耐冲击性、光泽等性能优于溶剂型的氨基醇酸树脂涂料。
Defects such as gel particle and coating agent penetrating into base cloth will easily arise in solvent-based polyurethane coating with float knife coater.
在浮动式刮刀涂层机上进行溶剂型聚氨酯涂层，易产生溶胶胶粒、涂层剂渗入基布等疵病。
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