Rubber Molding Design Guidelines Material Options

  SHORE A
ASTM HARDNESS
CODE

MATERIAL

RANGE
   
CRNEOPRENE (CHLOROPRENE)25 - 90
SBRSBR30 - 90
NRNATURAL RUBBER30 - 90
IIRBUTYL40 - 80
IRISOPRENE30 - 90
NBRNITRILE (BUNA-N)30 - 90
EPDMEPDM30 - 90
CSMHYPALON®·55 - 80
FKMVITON®·55 - 90
FKMAFLAS®··60 - 90
MQSILICONE30 - 90
FVMQFLUORO SILICONE50 - 80

 

Please consult Seals Unlimited for material choices not listed. Unique properties that can be added to the rubber compound are extra antidegradents, biocides, and blooming lubricants to name a few. The physicals of the rubber can also be adjusted to meet your specialized needs. Use our fax at 503-690-6688 to send us your drawing, rubber specifications and rubber service requirements for a prompt quote. Please specify if tooling already exists and include overall tooling size, number of cavities, and mold type.

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