Plastic ball bearing
Haining Kove Bearing Co.
KOVEBEARING Various material such as; POM, PP, PA, PBT, UHMWPE, PTFE,PEEK may be selected for their resistance to chemicals aim at various anti-corrosion application, Such bearings can operate in liquids and contamination sensitive environments even eroded in the most inclemency acid/ alkali/ salt/ impregnant oil/ gas/ seawater. Generally materials are fit together as following
Anti-Acid﹠Anti-Alkali bearings
HDPE, PE, UHMWPE are approved can be used in faintish acid and alkali environment. (30% CuCl2 solution and 30% NaOH solution is tested ok). PVDF AND PTFE can be used in strong acid and alkali environment. Therein，PTFE can be used in thick acid and alkali environment, including HF oleum and nitric acid.
High Temperature Application Plastic bearings
PTFE(Teflon), PPS, PEEK, PI were approved which are the perfect material for high temperature application plastic bearings. There in, PI can be used at 300℃. in long-term. Short-term can endure 350℃, which is the best one on the known project plastic.
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