Excellent performance characteristics of polyurethane coated wheel elastomer
2020-12-10 03:15
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Polyurethane products are a series of products produced by people on the market using polyurethane as the basic raw material. They are mainly used in large heavy industry manufacturers such as mines, coal washing plants, power plants, and steel plants. The polyurethane products produced mainly include polyurethane screens and plates. , Polyurethane cyclone, etc. The method of processing polyurethane is simple, convenient, easy to automate and continuous production. In the production of the cast polyurethane elastomer, the raw materials are all liquid. They are measured, mixed, and reacted in the liquid state until they are poured into the mold, which is conducive to continuous mechanized production. In a sense, this advanced liquid processing is a "reform" of traditional rubber production methods. Under the hardness of polyurethane rubber, their tear strength and load-bearing capacity are much higher than general rubber. Under high hardness, its impact strength and bending strength are much higher than plastic. Polyurethane has good resistance to high-energy rays and still has satisfactory performance under 10-10 Ge radiation doses. The oil resistance of polyester polyurethane is similar to that of nitrile nitrile rubber, which has the best oil resistance among traditional rubbers, but is better than natural, neoprene and other common rubbers. The impact element in the preparation has a high load-bearing capacity of the buffer element and will not crack during use, while ordinary rubber has defects such as cracks under high load-bearing load.
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