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About หัวเจียรหุ้มยาง

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High Quantities of acrylonitrile bring about a rubber with superior oil resistance. Compounds with small acrylonitrile content have an improved very low temperature overall flexibility and resilience. · Because it is crystallized with GC and polycrystalline porous abrasive grains, it offers large machinability when maintaining the elasticity of a normal https://beediadiamond.com/catalog/rubber-points
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