Hydro Seals supplies FFKM O-rings across India to: ✔ Pharmaceutical & Biotech Companies For reactors, sampling valves, CIP/SIP lines, sterile transfer systems. ✔ Specialty Chemical & Petrochemical Plants For mechanical seals, pumps, valves, acid handling & high-temperature processes. ✔ Oil & Gas, Refinery & Petrochem FFKM O-rings offer superior reliability in high-pressure, high-heat sealing systems. ✔ Semiconductor, Solar Cell & Electronics Manufacturing Plasma-resistant & ultra-low contamination compounds for vacuum applications. ✔ Aerospace & Defence Industries High-performance elastomer seals for extreme temperatures & aggressive fluids. FFKM O-Ring Material Grades We Offer Our product range includes: General-purpose FFKM (300°C) High-temperature FFKM (>325°C) Low-temperature FFKM (> - 42°C) Chemical-resistant FFKM for acids, amines & solvents Plasma-resistant Semiconductor-grade FFKM FDA & USP Class VI approved FFKM Highly filled FFKM for ultra-low swell applications Standard & Custom FFKM O-Ring Sizes We supply: AS568 inch series O-rings ISO 3601 metric O-rings DIN, JIS, GB sizes Custom molded FFKM parts FFKM gaskets, diaphragms, seal kits Hardness available: 70 / 75 / 80 / 90 Shore A