The bi component polyurethane coating of water proofing was synthesized by T 80 polyether polyol and coal tar. The properties of the coating film were tested and the effect factors were studied.
The coating performance and technology have a great effect on the surface quality of cast-pipe and t…
涂料性能与涂料使用方法强烈影响铸管表面质量和管模使用寿命。
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The results showed that choosing of proper manners of surface treatment and adhesive coating as well as setting of pressure, thickness of adhesive and curing condition were helpful to improve t...