Oil Seal Materials

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ASA uses only the finest materials in the compression molding of its products.

Metal Cases and Garter Springs
Standard SAE No. DIN No. Application
Metal Cases 1008-1010 1624 General
30304 17224 Corrosion protection and
extreme conditions
Garter Springs 1070-1090 17223 General
30304 17224 Corrosion protection and
extreme conditions

Lip Materials - The Four Major Elastomers
Elastomer Nitriler
NBR 		Polyacrylates ACM Silicone VMQ Fluoro Rubber FKM/FPM (VITON)*
Temperature Range -40oC to
120oc		 -30oC to
150oc		 -50oC to
180oc		 -30oC to
250oc
Abrasion Resistance B C D B
Compression Set B C B B
Cracking Resistance C C A B
Cut Growth Resistance B B D D
Flex Cracking Resistance C C B B
Impact Strength B D C C
Low Temperature Resistance B D A B
Oxidation Resistance B A A A
Sunlight Resistance C A A A
Tear Resistance B D D C
Weathering Resistance B A A A
Notes: 1.

A=Excellent, B=Good, C=Fair, D=Poor
  2. We are not limited to the four common elastomers mentioned above but can work with almost any elastomer you might require such as, ethylene propylene (ERDM), ethylene acrylic (EA), chloroprene (CR), high/low temperature nitriles, conductive rubbers, carboxalated rubber etc. We have a state of the art laboratory and can modiy elastomers in many to include temperature, abrasion, high rpm, durometer etc.
* Registered trademark of Dupont

Lip Materials - The Four Major Elastomers
Elastomer Nitriler Polyacrylates ACM Silicone VMQ Fluoro Rubber FKM/FPM (VITON)*
Inorganic Acids B B B B
Organic Acids D C C B
Alkali C A A A
Salt A A A A
Alcohol D A A A
Esters D D B D
Phenol D D A B
Ketones D D B C
Notes: 1.

A=Excellent, B=Good, C=Fair, D=Poor
  2. We are not limited to the four common elastomers mentioned above but can work with almost any elastomer you might require such as, ethylene propylene (ERDM), ethylene acrylic (EA), chloroprene (CR), high/low temperature nitriles, conductive rubbers, carboxalated rubber etc. We have a state of the art laboratory and can modiy elastomers in many to include temperature, abrasion, high rpm, durometer etc.
* Registered trademark of Dupont

RPM and Shaft Surface Speed Table
This table shows you the permissible surface speed and RPM for various sealing materials ad shaft diameters, in the case of non-pressure conditions.