Hydro Seals is a trusted supplier of DuPont Kalrez O-Rings in India, delivering world-class FFKM perfluoroelastomer sealing solutions designed for extreme environments. Kalrez O-Rings provide exceptional chemical resistance, high-temperature performance up to 327°C, and outstanding durability against aggressive media, solvents, acids, amines, steam, and process gases. Engineered for long service life, Kalrez reduces downtime, maintenance costs, and leakage risks in critical equipment. Hydro Seals supplies Kalrez O-Rings for demanding industries including Oil & Gas, Pharmaceuticals, Health Care, Aerospace, Semiconductor, Chemical Processing, and Power Generation. Our application-specific grades meet strict global compliance including FDA, USP Class VI, AS9100, and industry OEM standards. Choose Hydro Seals for genuine DuPont Kalrez®, fast delivery, technical support, and reliable sealing solutions across India’s major metros—Chennai, Bangalore, Hyderabad, Delhi, Pune, and Mumbai. DuPont™ Kalrez® 7075 Spectrum™ Temp Range : -20°C to +327°C (Standard) chemical processing industry DuPont™ Kalrez® 4079AMS Temp Range : -20°C to +316°C (Standard) outstanding thermal stability DuPont™ Kalrez® Spectrum™ 6375 Temp Range :-20°C to +275°C (Standard) chemical resistance, Temperature Stability DuPont™ Kalrez® Spectrum™ 0040 Temp Range :--42°C to +220°C (Specialty) low-temperature sealing , chemical resistance DuPont™ Kalrez® 0090. Temp Range : -21°C to +250°C (Specialty) Excellent rapid gas decompression (RGD) DuPont™ Kalrez® 1050LF Temp Range : -20°c to 288°C (Specialty) hot water/steam High Temperature DuPont™ Kalrez® 2085 Temp Range : +210°C DuPont™ Kalrez® 3065 Temp Range : –23°C to +288°C oil and gas well applications, Chemical resistance DuPont™ Kalrez® 4001 Temp Range : +275°C Pharmaceutical, semiconductor DuPont™ Kalrez® 6230 Temp Range : +260°C FDA DuPont™ Kalrez® 6230A Temp Range : +260°C FDA DuPont™ Kalrez® 6221 Temp Range : +260°C FDA DuPont™ Kalrez® Spectrum™ 6380 Temp Range : +225°C (Specialty) Chemical Industries DuPont™ Kalrez® 7090 Temp Range : +325°C (Specialty) outstanding thermal stability and chemical resistance DuPont™ Kalrez® 9100 Temp Range : +300°Cetching and deposition process applications DuPont™ Kalrez® 9300 Temp Range : +300°C Dielectric (Oxide) Etch processes DuPont™ Kalrez® 9500 Temp Range : +310°C -Deposition, Ash/Strip and Conductor (Poly/Metal) Etch processes.