Fluorocarbon (FKM / Viton®) Technical Reference Data Sheet
Premium fluoroelastomer for high temperature, aggressive chemical, and vacuum environments.
Resistant To / Recommended Media
Chemical media and fluids compatible under typical operating conditions:
- ✓High Vacuum
- ✓Mineral Oils
- ✓Greases
- ✓Non-flammable Hydraulic Fluids
- ✓Aliphatic Hydrocarbons
- ✓Aromatic Hydrocarbons
- ✓Ozone
- ✓Steam
- ✓Alcohols
Not Recommended / Incompatible Media
Aggressive fluids or environmental factors leading to accelerated swelling or degradation:
- ✕Low molecular weight esters and ethers
- ✕Hot hydrofluoric acid
- ✕Ketones
- ✕Amines
Key Engineering Advantages
- •Superior thermal stability up to 204°C
- •Low gas permeability
- •Exceptional ozone and chemical resistance
Operational Limitations
- •Higher material cost
- •Moderate low-temperature flexibility
Product Families Manufactured in FKM
NBR X-Rings (Quad Rings)
Profile: X_RING_LOBED
Viton (FKM) Extruded Cord
Profile: SOLID_ROUND_EXTRUSION
Viton / FKM O-Rings
Profile: TOROIDAL
Viton Rotary Shaft Oil Seals
Profile: ROTARY_LIP_METAL_CASED
Engineering Reference Disclaimer
The technical data herein is compiled directly from Classic Rubber Products official catalogs and laboratory evaluations. Polymer performance is influenced by multiple interacting operational variables such as fluid pressure, seal gland compression, cycle frequency, and surface finish. Classic Rubber Products recommends testing prototypes under actual working conditions prior to full-scale deployment.