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About หัวเจียรหุ้มยาง

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Significant quantities of acrylonitrile end in a rubber with better oil resistance. Compounds with low acrylonitrile written content have an even better lower temperature adaptability and resilience. This gives CR comparatively very good weathering and heat resistance, especially for a polymer which contains double bonds in its chains. The chlorine https://beediadiamond.com/catalog/rubber-points

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