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GP&S Enterprises, LLC proudly offers Flexitallic Sigma® 533, which is a bi-axially orientated PTFE reinforced with barium sulfate. This material offers standard compressibility and is ideal for sealing food, pharmaceutical and other non-contamination applications. Sigma® 533 is compatible with strong alkaline solutions to other general chemicals, but is not suited for sealing alkali metals or fluorine gas.

*The stated temperature and pressure guides cannot necessarily be used simultaneously and may not apply at all thicknesses.