Kalrez® 4079 O-Rings, supplied by Hydro Seals, are a high-performance, carbon-black reinforced FFKM compound designed for maximum chemical resistance and thermal stability. Known for its hardness of 75 Shore A, Kalrez® 4079 offers excellent resistance to organic acids, inorganic acids, bases, amines, solvents, and aggressive chemicals. With temperature capabilities up to 316°C, it is widely used in semiconductor wet process equipment, chemical reactors, oil & gas refining, and industrial fluid handling systems. Kalrez® 4079 also demonstrates low outgassing and exceptional dimensional stability in high-vacuum applications. Hydro Seals supplies genuine Kalrez® 4079 O-rings for critical sealing applications where long-term performance and zero leakage are essential. We support industries with full documentation and fast supply across India. Perfect for: Chemical Processing | Semiconductor | High-Temperature Systems | Vacuum Applications | Oil & Gas

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