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หัวเจียรหุ้มยาง Fundamentals Explained

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Significant Quantities of acrylonitrile cause a rubber with superior oil resistance. Compounds with very low acrylonitrile content have a much better minimal temperature versatility and resilience. · As it is crystallized with GC and polycrystalline porous abrasive grains, it offers significant machinability while retaining the elasticity of an ordinary grindstone https://beediadiamond.com/catalog/rubber-points
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