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Sigma® 533 Sheet Material (PTFE)


Sigma® 533 is a biaxially orientated PTFE containing barium sulfate.

Colour: Off white (pigment free)

Standard compressibility

Ideal for sealing food, pharmaceutical and other non-contamination applications

Strong alkaline solutions to other general chemicals

Aqueous hydrofluoric acid below 49%

Not suitable for sealing molten alkali metals or fluorine gas

Approval FDA, FDA Compliant, TA Luft
Brand Sigma
Flange Face Flat, Raised
Maximum Temperature 260°C / 500°F
Media Hazardous
Minimum Temperature -200°C / -328°F
Pressure 51 Bars / 739.69 PSI
Pressure Class 150 & 300
Pressure Rating PN PN40