The English Chemist Joseph Priestley gave it the title rubber in 1770 when he identified it could be used to rub out pencil marks. Its major professional success came only once the vulcanization process was invented by Charles Goodyear in 1839. Styrene Butadiene Rubber is considered the most utilized rubber https://beediadiamond.com/catalog/rubber-points
หินเจียรยาง - An Overview
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