Babban kayan haɗin haɗin haɓaka na roba sune: silica gel, roba nitrile, neoprene, roba na EPDM, roba na halitta, roba na fluoro da sauran roba.Kaddarorin jiki suna halin juriya ga mai, acid, alkali, abrasion, high da low yanayin zafi.1. Halitta...
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