Polyurethane Board PU Board Wear-Resistant High-Strength Rubber Sheet
Polyurethane PU elastomer, is a kind of rubber with good strength and small compression deformation. A new type of material between plastic and rubber, which has the rigidity of plastic and the elasticity of rubber.
Chinese name：Polyurethane PU elastomer
nickname：Uniglue application to replace rubber
PU sheet has the characteristics of cushioning, quietness, shock absorption, wear resistance, high temperature resistance, etc. It is durable and suitable for the protective treatment of the surface of equipment in strong acid and alkali working environments, while improving the wear resistance of the equipment and reducing noise. PU boards, rods, sheets, etc. Strong recovery elasticity, can be compressed by 50%; high strength, durable, can not be replaced by materials such as rubber. Pressure and shock resistance, impact resistance, oil resistance, acid and alkali resistance, excellent wear resistance. PU series elastomers have superior tensile strength, tear resistance, high elasticity, high pressure load resistance, wear resistance, etc., and are easy to cut, grind, drill, etc., and can be applied to mechanical buffer materials, punch molds, Recoil pad, bent to shape. Seals and toothed couplings used on industrial machinery and equipment. It is divided into oil-resistant type and wear-resistant type. The hardness is between Shore 25 and Shore 98. It has good strength and swelling performance. It can be used normally in an environment with good aging resistance and long service life. , Many product specifications, all varieties.
Application Of Ultra High Molecular Weight Polyethylene
In recent years, with the rapid development of solar photovoltaic power generation, diamond tools represented by electroplated diamond wire saws have been widely used in the field of squaring and slicing silicon ingots. It has excellent properties such as good sawing surface quality, high sawing efficiency, and high yield, especially suitable for cutting precious hard and brittle materials and anisotropic composite materials.
In the sawing process of solar polysilicon, single crystal silicon, etc., the guide wheel where the annular diamond wire is located is very important. The heat resistance of diamond is lower than 800 degrees. Diamond will be carbonized (oxidation reaction will generate carbon dioxide gas), and the higher the line speed The generated grinding heat is also higher, so the theoretical speed cannot be higher than 35 m/s. The traditional metal guide wheel, because of its own characteristics, is more likely to cause the diamond wire to break during the sawing process.
Instead, guide wheels made of UHMWPE (Ultra High Molecular Weight Polyethylene) have excellent properties such as wear resistance, impact resistance, corrosion resistance, and light resistance, which can effectively increase the service life, reduce material loss, and reduce production costs. The longest service time of the traditional guide wheel is 200-250 hours, and the service time of the guide wheel made of UHMWPE can easily exceed 300 hours. The uhmwpe board and uhmwpe rod produced by our company are made of top UHMWPE raw materials with a molecular weight of 9.2 million. The out-of-the-box guide wheel can be used for up to 500 hours.
original source: https://www.bydplastics.com/news/polyurethane-board-pu-board-wear-resistant-high-strength-rubber-sheet/
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