ASTM Classification : HK
ASTM Designation : FKM
ISO Designation : FPM
Temperature Range : - 20°C to 204°C (General Compounds)
- 40°C to 225°C(Special Compounds)
Fluoroelastomer or Fluorocarbon Rubber (FKM/FPM) is a synthetic rubber with Fluorine as one of its main constituents. Fluorine content may vary from 65% to 70% depending on the grade selected.
66% Fluorine grades are the most widely used and are Bisphenol Cured. Other grades may be Bisphenol / Peroxide cured.
Fluorocarbon Rubber has excellent high temperature capabilities along with resistance to ozone, weathering, oxygen, many acids, solvents & chemicals.
Special Fluorocarbon grades offer very good low temperature properties.
ISG offers various Grades/Families of Viton from Chemours (Formerly Dupont)
- Viton A Family (DiPolymers)
- Viton B Family (Terpolymers)
- Viton F Family (Terpolymers)
- Viton GLT / Viton GFLT /Viton GF / Viton XLT / Viton ULT / Viton ETP / Viton TBR
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|Good resistance to Petroleum Oils/Fuels, Mineral Oils/Grease
|Good Resistance to Ozone, Weathering & Aging Resistance
|Resistance to Flame Resistivity & Acids
|Good Resistance to Aliphatic / Aromatic Hydrocarbons
|Works well with Vacuum Applications
|Poor resistance to Steam
|Poor resistance to Ketones
|Poor Resistance to Phosphate Ester Fluids
|Poor Resistance to Formic & Acetic Acids
|Doesnot works well with Brake Fluids (Glycol Base)