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Alibaba.com offers 5,281 coefficient of friction products. About 11% of these are testing equipment, 1% are auto brake pads, and 1% are other measuring & analysing instruments. A wide variety of coefficient of friction options are available to you, such as free samples, paid samples. There are 5,273 coefficient of friction suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Japan, and Taiwan, which supply 99%, 1%, and 1% of coefficient of friction respectively. Coefficient of friction products are most popular in Domestic Market, North America, and Eastern Europe. You can ensure product safety by selecting from certified suppliers, including 2,956 with ISO9001, 1,109 with ISO/TS16949, and 736 with Other certification.