Sigma 500

Sigma 500 is a high performance biaxially oriented sheet sealing material containing PTFE with a hollow glass microsphere filler. It has enhanced compressibility for low bolt loads. Sigma 500 complies with FDA regulations.  

Service Limits

Filler

PTFE & Hollow glass microspheres 

Colour

Blue

Temperature range

Max: +500F

Thickness

 1/32" thk to 1/8" thk 

Sizes

60" x 60"

Maximum pressure

1088 - 1235 depending on thickness 

Resistant to

Acids, Alkalis, all conc. of sulfuric acids, glass lined flanges. 

Available Forms:

Sheet, Cut Gasket, Oxygen cleaned & sealed

 

Disclaimer: The above values are typical properties and are provided for information only. They should not be used to set specification requirements. It is up to the end user to determine whether the material is suitable for the intended application.


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