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Sigma® 588 Sheet Material (PTFE)


Sigma® 588 is a high performance biaxially oriented PTFE sheet sealing material with enhanced handling and low stress sealing characteristics.

Colour: Off white (pigment free)

Highly conformable surface layers designed for glass-lined, FRP, ceramic, plastic and low bolt load applications

Modified PTFE inner core design to maximize sealability and prevent blow-out

Approval FDA, FDA Compliant, TA Luft, WRAS
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