Nitrile
(Buna-n)

Good resistance to petroleum hydrocarbons and fuels.
Widely used with most oils, hydraulic fluids, alcohol.
Many compound variations for specific applications.
Basic temperature range:  -20℃ to +140℃

Petroleum oil seals
Hydraulic fluid seals
Water / Greases
Transmission fluid seals

Fluorocarbon (FKM)
(Viton)

Excellent high temperature and chemical resistance.
Excellent mechanical and physical properties.
Low compression set and low gas permeability.
Basic temperature range:  -10℃ to +220℃

Vacuum seals
Acids / Fuels
High heat
Chemicals / Solvents

Perfluoroelastomer
(Perfluor)
(Kalrez)
(Chemraz)

High temperature and chemical resistance.
Excellent resistance to chemicals.
Excellent outgassing performance in vacuums.
Low compression set.
Various compounds for specific applications.
Basic temperature range: -15℃ to +330℃

All Semiconductor equipments

Acids/Gas/chemical/Solvents

High temperature

Silicone

(VMQ, PMQ, PVMQ)

Broad temperature range.  Odorless / non-toxic.
Resistance to sun and ozone.  Fungus resistant.
Poor tear and abrasion strength.  Poor resistance to oils.
Basic temperature range:  -40℃ to +220℃

Dry heat
Alcohol / Oxygen
Electrical / Medical
Low temperature

Ethylene Propylene
(EPR / EPDM)

Resistance to sunlight, weathering and ozone.
Poor resistance to petroleum oils and fuel.
Good heat and compression set resistance.
Basic temperature range:  -36℃ to +140℃

Steam / Hot water
Hydraulic / Skydrol
Auto brake systems
Alcohol / Greases

Chloroprene
(Neoprene)

Good resistance to petroleum oils.
Low compression set and good tear and abrasion strength.
Good resistance to weathering, sunlight and ozone.
Basic temperature range:  -20℃ to +125℃

Refrigeration seals
Freon / Air conditioning
Motor mounts
Engine coolants

(FVMQ)

Wide range of fluid and chemical resistance.
Large temperature range.
A mix of Fluorocarbon (Viton) and Silicone.
Basic temperature range:  -40℃ to +196℃

Aircraft fuel systems
Jet fuel / Gasoline
Petroleum oils
Synthetic jet oil

Teflon

Excellent temperature range.
Various chemical and fuel resistance.
Low coefficient of friction.  Non-elastic.
Basic temperature range:  -140℃ to +250℃

High / Low temperatures
Chemicals / Fuels
Teflon Encapsulation
Teflon coating