Inner bolt circle (also known as ring gaskets) tanged graphite gaskets. Gasket material is made out of pure expanded mineral graphite laminate with a 316/316L stainless steel tanged insert (0.1 mm.). 

Due to the characteristics of graphite this is a high quality material with universal use in a high pressure high temperature service.

Technical Data
Density 1.4 g/cm3
Compressibility 35 %
Recovery ASTM F-36 >15 %
Gas permeability (mg / s x m) DIN 3535 m <0.10
Residual Stress >45
Temperature -200 a 1000ºC (Vapor 650ºC) (Atm.oxidante 500ºC)
Graphite data
Graphite density ( g/cm3 ) ASTM C-559 1.0
Content of: graphite / ash / Cl / F >99% ppm / 1% / <50ppm / <100 ppm

Thickness 1.5mm & 3.0mm
Temperature Limit -200 - 1000 ºC 
Application Steam, Refinery, Prochemical & Industrial Industries 

Product History