Pure PTFE packing, also known as PTFE packing , Pure PTFE packing is woven from pure PTFE fiber and is not treated with PTFE emulsion and grease. Because it is made of solid weaving and has flexibility, it can be well matched with shaft and stuffing box. It has excellent corrosion resistance, good self-lubricity and anti-adhesion. PTFE packing is recommended for chemical industry. Food, etc., where contamination is not allowed, can also be used for all chemical media except soluble alkali metals. Equipment: pumps, valves, flanges. Industry: Food industry, medicine, paper, chemical fiber, fine chemicals, etc., which are not allowed to be polluted. Medium: Suitable for all media other than molten alkali metal and free fluoride ion. Product specifications: 3*3mm--50*50mm.
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Cobalt metal is mainly used for making alloy. Cobalt-based alloy is cobalt and chromium, tungsten, iron, nickel group made of one or more of the general term. Tool steel containing a certain amount of cobalt can significantly improve the wear resistance and cutting performance of steel. Stellite hardeners containing more than 50% cobalt do not lose their original hardness even when heated to 1000 ° C. Nowadays, these cemented carbides have become the most important material for use between gold cutting tools and aluminum. In this material, cobalt alloyed with other metal carbide grains together to make the alloy with higher toughness and reduce the sensitivity to impact, the alloy welding on the surface of the parts, the parts can make Life expectancy increased by 3-7 times.
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