Unvulcanized rubber is soluble in a number of hydrocarbons, including benzene, toluene, gasoline, and lubricating oils. Rubber is water repellent and resistant to alkalies and weak acids. Rubber s elasticity, toughness, impermeability, adhesiveness, and electrical resistance make it useful as an adhesive, a coating composition, a fiber, a molding compound, and an electrical insulator. The advantages of natural rubber are less buildup of heat from flexing and greater resistance to tearing when hot. Complete story. .
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