P.T.F.E Rings & Gaskets & 'O' Rings P.T.F.E Gasket are excellent in application involving solvent, Corrosive, Chemical & high temperature. There are different type of gasket & rings for each particular sealing application such as ring, "o" ring, flange envelop, gasket, milled type envelope gasket, slit/V-type, square type gasket with or without filler. Supremo can manufactures all type of gasket, "O" ring, as per drawing, sample or dimension. Which is require by customer. Available grade: - Virgin & filled grade Available fills: - Glass, Carbon, Gr