FKM and fluoroelastomer supplier
Supplier & distributor · Chennai · Madurai · South India
Fluoroelastomers (FKM) are used where rubber must survive heat, fuels, oils and aggressive chemicals: O-rings, shaft seals, fuel-system hoses, turbo hoses and gaskets. We stock bisphenol-cure and peroxide-cure FKM grades, FFKM perfluoroelastomers and curative masterbatches.
Our technical team can help you shortlist grades by fluorine content, viscosity and cure system, and supply trial quantities for approval before regular orders.
Types of FKM we supply
Bisphenol-cure FKM
The standard for O-rings and shaft seals: excellent compression set and heat resistance, in a range of viscosities and fluorine contents. Grades include ReTen A-231C FKM, ReTen A-291C FKM, ReTen A-491C FKM, ReTen A-691C FKM, ReTen A-262C FKM, ReTen A-232C FKM, ReTen A-621C FKM, ReTen B-551C FKM and 15 more.
Peroxide-cure FKM
Better resistance to steam, hot water and some aggressive fluids; used for fuel-system and chemical seals. Grades include ReTen PF-200 FKM, ReTen PF-500 FKM, ReTen PAL-200 FKM, ReTen PAL-500 FKM, ReTen PLT-400 FKM.
Perfluoroelastomers (FFKM)
Near-universal chemical resistance for the most demanding sealing applications. Grades include ReTen FFKM-70B FFKM, ReTen FFKM-H1630 FFKM, ReTen FFKM-H1800 FFKM.
FKM curative masterbatches
Pre-dispersed cure systems for consistent, dust-free FKM compounding. Grades include EasyCure AF-50, EasyCure BP-33, EasyCure HF-5#, EasyCure CF-50.
Why buy FKM from Riddhi Polymers
- In stock in Chennai: held ready at our Chennai warehouse, with a branch in Madurai.
- Across South India: regular deliveries to Tamil Nadu, Kerala, Karnataka, Andhra Pradesh and Puducherry.
- Quality you can trace: ISO 9001:2015 certified, COA with every batch, MSDS and TDS on request.
- Trusted since 2009: 400+ regular buyers and 20+ global principals.
For prices and availability, request a quote, call +91 98418 19109 or email sales@riddhipolymers.com.
Buyer guide: FKM vs NBR vs EPDM: which rubber for seals and hoses?
Frequently asked questions
What is the difference between bisphenol-cure and peroxide-cure FKM?
Bisphenol-cure FKM gives excellent compression set and heat resistance and is the standard for most O-rings and seals. Peroxide-cure FKM offers better resistance to steam, hot water and some aggressive fluids.
Do you supply FKM for automotive seals?
Yes. We supply FKM grades used in automotive O-rings, fuel-system parts and seals, with COA for every batch.
Is FKM the same as Viton?
Viton is a brand name for FKM. We supply FKM grades from established producers that are used as equivalents in O-rings, seals and fuel-system parts.
Grade list (31 grades)
| Grade | Type | Chemistry | Typical applications |
|---|---|---|---|
| EasyCure AF-50 | FKM Curative Masterbatch | EasyCure AF-50 — 50% crosslinker masterbatch in FKM | FKM curative (VC-30) |
| EasyCure BP-33 | FKM Curative Masterbatch | EasyCure BP-33 — 33% accelerator masterbatch in FKM (harder than… | FKM curative (VC-30) |
| EasyCure HF-5# | FKM Curative Masterbatch | EasyCure HF-5# — 100% crosslinker + accelerator masterbatch | FKM curative |
| EasyCure CF-50 | FKM Curative Masterbatch | EasyCure CF-50 — 50% HF-5# in FKM | FKM curative |
| ReTen A-231C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-231C — bisphenol-cure fluoroelastomer precompound, 66%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — good for complicated shapes, injection moulding |
| ReTen A-291C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-291C — bisphenol-cure fluoroelastomer precompound, 66%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — low compression set |
| ReTen A-491C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-491C — bisphenol-cure fluoroelastomer precompound, 66%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — low compression set |
| ReTen A-691C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-691C — bisphenol-cure fluoroelastomer precompound, 66%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — low compression set |
| ReTen A-262C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-262C — bisphenol-cure fluoroelastomer precompound, 66%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet, Shaft, Valve Stem Seal, Metal Insert |
| ReTen A-232C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-232C — bisphenol-cure fluoroelastomer precompound, 66%… CAS 9011-17-0 | Complicated moulded gasket — good for injection moulding and extrusion process |
| ReTen A-621C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-621C — bisphenol-cure fluoroelastomer precompound, 66%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet, Shaft, Valve Stem Seal, Metal Inserts |
| ReTen B-551C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen B-551C — bisphenol-cure fluoroelastomer precompound, 68.5%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — good compression set, good fluid resistance |
| ReTen B-201C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen B-201C — bisphenol-cure fluoroelastomer precompound, 68.5%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — compression set, good fluid resistance |
| ReTen B-501C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen B-501C — bisphenol-cure fluoroelastomer precompound, 68.5%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — good fluid resistance |
| ReTen AL-571C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen AL-571C — bisphenol-cure fluoroelastomer precompound, 70%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — better low temperature resistance |
| ReTen AL-271C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen AL-271C — bisphenol-cure fluoroelastomer precompound, 70%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — better low temperature resistance |
| ReTen F-500C FKM | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen F-500C — bisphenol-cure fluoroelastomer precompound, 70%… CAS 9011-17-0 | O-Ring, Simple Molded Gasket, Grommet — good fluid resistance |
| ReTen A-200SC FKM Super-Clean Gum | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-200SC — ultra-clean bisphenol-cure FKM gum, 66% fluorine… CAS 9011-17-0 | General application, compounding |
| ReTen A-500SC FKM Super-Clean Gum | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-500SC — ultra-clean bisphenol-cure FKM gum, 66% fluorine… CAS 9011-17-0 | General application, compounding |
| ReTen A-600SC FKM Super-Clean Gum | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-600SC — ultra-clean bisphenol-cure FKM gum, 66% fluorine… CAS 9011-17-0 | General application, compounding |
| ReTen A-700SC FKM Super-Clean Gum | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen A-700SC — ultra-clean bisphenol-cure FKM gum, 66% fluorine… CAS 9011-17-0 | General application, compounding |
| ReTen B-200SC FKM Super-Clean Gum | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen B-200SC — ultra-clean bisphenol-cure FKM gum, 68.5% fluorine… CAS 9011-17-0 | General application, compounding |
| ReTen B-500SC FKM Super-Clean Gum | Fluoroelastomer (FKM) — Bisphenol Cure | ReTen B-500SC — ultra-clean bisphenol-cure FKM gum, 68.5% fluorine… CAS 9011-17-0 | General application, compounding |
| ReTen PF-200 FKM | Fluoroelastomer (FKM) — Peroxide Cure | ReTen PF-200 — peroxide-cure fluoroelastomer gum, 70% fluorine content CAS 9011-17-0 | General applications |
| ReTen PF-500 FKM | Fluoroelastomer (FKM) — Peroxide Cure | ReTen PF-500 — peroxide-cure fluoroelastomer gum, 70% fluorine content CAS 9011-17-0 | General applications |
| ReTen PAL-200 FKM | Fluoroelastomer (FKM) — Peroxide Cure | ReTen PAL-200 — peroxide-cure fluoroelastomer gum, 66% fluorine… CAS 9011-17-0 | General moulding applications, good fluid resistance |
| ReTen PAL-500 FKM | Fluoroelastomer (FKM) — Peroxide Cure | ReTen PAL-500 — peroxide-cure fluoroelastomer gum, 63% fluorine… CAS 9011-17-0 | General moulding applications, good fluid resistance, better low temperature properties |
| ReTen PLT-400 FKM | Fluoroelastomer (FKM) — Peroxide Cure | ReTen PLT-400 — peroxide-cure fluoroelastomer gum, 64% fluorine… CAS 9011-17-0 | Speciality moulded items for industrial applications, low temperature applications |
| ReTen FFKM-70B FFKM | Perfluoroelastomer (FFKM) | ReTen FFKM-70B — perfluoroelastomer (FFKM) full compound, peroxide… CAS 25190-89-0 | General application — chemicals and corrosive solvent resistance (-10°C to 230°C) |
| ReTen FFKM-H1630 FFKM | Perfluoroelastomer (FFKM) | ReTen FFKM-H1630 — perfluoroelastomer (FFKM) full compound, triazine… CAS 25190-89-0 | High temperature application (-10°C to 315°C) |
| ReTen FFKM-H1800 FFKM | Perfluoroelastomer (FFKM) | ReTen FFKM-H1800 — perfluoroelastomer (FFKM) full compound, triazine… CAS 25190-89-0 | Outstanding thermal resistance (-10°C to 315°C), chemical resistance, low compression set and good sealing… |
Need a grade that isn’t listed, or an equivalent? Ask us. The full catalogue is also available as a downloadable product list.
