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BUTYL ALCOHOL (SECONDARY) Chemical compatibility with O-rings, rubbers, & plastics

Secondary butyl alcohol, also known as sec-butanol or 2-butanol, is a colorless, flammable liquid with the chemical formula C4H10O that is widely used as a solvent and chemical intermediate in polymer and coating production. Because it can cause skin and respiratory irritation, proper storage and handling are important. When assessing compatibility, O-rings, rubber seals, gaskets, and plastic components should be carefully evaluated, as secondary butyl alcohol may lead to swelling, softening, or degradation in certain rubber materials.

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