... and dye, compressed and calendered under high temperature and pressure into a sheet form. Normal colour: Black with some white, blue ... or green-white, etc.StylesNCAF Gasket 1400 : cut from non-asbestos rubber sheets.Temperature ... Gasket 1400OR: cut from Oil resistant non-asbestos rubber sheets.Temperature : 150oC, 200oC, 250oC, 300oC, 350oC, 400oC, 450oC. ...