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About หัวเจียรหุ้มยาง

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Substantial Quantities of acrylonitrile end in a rubber with improved oil resistance. Compounds with low acrylonitrile content material have a much better low temperature adaptability and resilience. This gives CR fairly great weathering and heat resistance, especially for a polymer which contains double bonds in its chains. The chlorine also https://beediadiamond.com/catalog/rubber-points
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