· A Uniformly polished area is usually accomplished with fewer deep scratches as compared to grindstones with shaft. Ethylene Propylene Rubber (EPM) is really a copolymer consisting of ethylene and propylene. The ethylene propylene polymer is chemically inert because it contains no double bonds. SBR ordinarily has exceptional abrasion resistance Successfully Submitted (Awaiting Approval)
หินเจียรยาง - An Overview
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