Mine
In view of the complex working conditions of the coal mine industry, we have successfully developed high temperature hydrolysis polyurethane HPU by virtue of our strong material research and development ability and many years of sealing experience, which solves the problem that regular polyurethane is not resistant to hydrolysis, and successfully popularized and applied in the hydraulic system of coal mine. HPU is a kind of high temperature resistant hydrolysis polyurethane. Compared with regular polyurethane, HPU has excellent hydrolysis resistance. It can work reliably in high temperature water of 100 ℃, especially in water emulsion. Because of its excellent hydrolysis resistance, HPU is widely used in hydraulic systems with water-based media, such as mining industry, tunneling industry and press manufacturing industry. HPU is even suitable for pure water, seawater medium and weak acid and weak alkali medium, especially suitable for HFA,HAB emulsion, biodegradable hydraulic oil (such as vegetable oil, synthetic ester) and food industry, etc., which can meet your harsh working conditions. We rely on reliable sealing materials, advanced mold-free processing equipment, and reasonable cross-section design for the hydraulic support to design a set of sealing solutions, greatly improving the traditional seal is not wear-resistant, easy to pollution, the shortcomings of poor resistance to high pressure, greatly extending the overhaul cycle of the hydraulic support, improve the coal mining efficiency of the working face.
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