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O-Rings
Distributor of
Kalrez
The Seal to Trust for Tough Sealing Applications
For demanding sealing applications when customers require
the very best, Kalrez® perfluoroelastomer parts are the elastomer seals of
choice. Supplied in standard O-rings or custom shapes, Kalrez® resists over
1,800 different chemicals while offering the high temperature stability of PTFE
(327°C). Advanced properties help maintain seal integrity, reduce maintenance
and operating costs and improve safety. Kalrez® parts provide reliable,
long-term service with a wide range of aggressive industrial and electronic
grade chemicals. It is used in highly aggressive chemical processing,
semiconductor wafer processing, pharmaceutical, oil and gas recovery, aerospace
and petroleum applications. Production facilities for Kalrez® are ISO and AS
9000 registered. Copyright© 1999-2003 DuPont Dow
Elastomers L.L.C. All rights reserved
O-Ring Material Properties/Applications
Material |
Properties |
Applications |
| 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: -40 F to +250 F* |
Petroleum oil seals Hydraulic fluid seals Water / Greases Transmission fluid seals |
| Fluorocarbon (Viton) |
Excellent high temperature and chemical resistance. Excellent mechanical and physical properties. Low compression set and low gas permeability. Basic temperature range: -20 F to +400 F* |
Vacuum seals Acids / Fuels High heat Chemicals / Solvents |
|
Perfluoroelastomer |
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: -10 F to +600 F* |
A wide range of aggressive industrial and electronic grade chemicals. It is used in highly aggressive chemical processing, semiconductor wafer processing, pharmaceutical, oil and gas recovery, aerospace and petroleum applications. |
| Silicone | 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: -80 F to +400 F* |
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: -65 F to +250 F* |
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: -40 F to +225 F* |
Refrigeration seals Freon / Air conditioning Motor mounts Engine coolants |
| Fluorosilicone | Wide range of fluid and chemical resistance. Large temperature range. A mix of Fluorocarbon (Viton) and Silicone. Basic temperature range: -80 F to +350 F* |
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: -250 F to +450 F* |
High / Low temperatures Chemicals / Fuels Teflon Encapsulation Teflon coating |
Other brands and elastomers are available, please call us at 1-800-732-5669