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METHYL T-BUTYL ETHER Chemical compatibility with O-rings, rubbers, & plastics

Methyl tert-butyl ether, commonly known as MTBE or methyl t-butyl ether with the formula C5H12O, is a colorless, volatile liquid widely used as a gasoline additive to increase octane and improve combustion efficiency. It is also used as a solvent and chemical intermediate in various industrial processes. In fuel handling systems, MTBE may contact O-rings, rubber seals, gaskets, and plastic components, so compatibility should be evaluated to prevent swelling or degradation. Proper storage, spill control, ventilation, and appropriate PPE are recommended to ensure safe handling and reduce environmental risks.

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