VALQUA Middle packing for flange (high function type)

Black Hyper No. GF300 is a non-asbestos sheet that is mainly composed of graphite and PTFE and has excellent heat resistance and chemical resistance. Since it is composed only of materials with excellent heat resistance and does not contain rubber at all, it is possible to tighten the rubber material because it does not harden or deteriorate over time due to heat.
Water, seawater, hot water, water vapor, air, acids (excluding oxidizing acids such as high-temperature concentrated sulfuric acid and concentrated nitric acid), alkalis, aqueous salts of salts, oils, alcohols, aliphatic solvents and their vapors, and various gases. Suitable for high temperatures in various industrial equipment used for liquefied gases, piping flanges, etc.