Ordering Information

 

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Materials  

General Properties

 

Common Applications

Buna-N
(Nitrile / NBR)
70 Durometer Black
 

Good resistance to petroleum, hydrocarbons, fuels.
Widely used with most oils, hydraulic fluids, alcohol.
Poor resistance to sunlight, weathering and ozone.
Many compound variations for specific applications.
The least expensive most readily available material.
Basic temperature range: -40 F to +250 F*

 

Petroleum Oil Seals
Hydraulic Fluid Seals
Water/Greases
Transmission Fluid Seals


Viton®
(Fluorocarbon)
75 Durometer Black
  Excellent temperature and chemical resistance.
Excellent mechanical and physical properties.
Low compression set and low gas permeability.
Not for use with Acetone, Skydrol, or ethyl Acetate.
Basic temperature range: -20 F to +400 F*
  Vacuum Seals
Many Acids and Fuels Heat Resistance
Many Chemicals
Many Solvents

Silicone
70 Durometer Red/Orange
  Broad temperature range. Odorless / non-toxic.
Resistance to sun and ozone. Fungus resistance.
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

EPDM/EPR
(Ethylene Propylene)
70 Durometer Black

 
  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
Some Chemicals
Auto Brake Systems
Alcohol / Greases
 

Viton® ETP
(Viton® Extreme)
  Superior chemical resistance vs. standard Viton®.
Other properties similar to standard Viton®.
For use between standard Viton® and Kalrez®
Basic temperature range: -5 F to +400 F*
  Chemical Resistance
For use between standard Viton
® and Kalrez®

Chemraz®
Simriz®
Kalrez®
(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*
Simriz® = performance and savings.
  Click for Specific Compound Info:
Chemraz
®
Simriz
®
Kalrez
®

Encapsulated
FEP or PFA
  Common core materials:
Silicone, Viton, SS Spring

Chemical resistance of FEP/PFA with compression set resistant core.
Basic temperature range: Depends on core material.
  Chemical resistance of FEP/PFA with compression set resistant core.

PTFE®   Excellent temperature range.
Various chemical and fuel resistance.
Low coefficient of friction.
Non-elastic.
Basic temperature range: -250 F to +450 F*
  Temperature Range
Chemicals / Fuels
Non-elastic

Neoprene
(Chloroprene)
  Good resistance to petroleum oils.
Low compression set and good 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 blend of Viton® and Silicone.
Basic temperature range: -80 F to +350 F*
  Aircraft fuel systems
Jet Fuel / Gasoline
Petroleum Oils
Synthetic Jet Oil

Urethane
(polyurethane)
 
  Available in High and Low Grades
Excellent wear/abrasion and extrusion resistance.
Poor compression set and chemical resistance.
Basic temperature range: -65 F to +225 F*
  High Pressure Hydraulics
Drive Belts
 

Accessories
Click bellow to Order
 

O-Ring Kits, Splicing Kits,
Sizing Cones, Parker O-Lube, Installation/Extraction Tools,
and the ORID(O-Ring Material Identifier

 

Accessories

Click on the links for details

 

Aegis® is a registered trademark of Freudenburg-NOK
Kalrez® and Viton® are registered trademarks of DuPont Dow Elastomers.
Chemraz® is a registered trademark of Green Tweed.

http://www.allorings.com

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