503.690.6644

 

Molded Parts - Design Guidelines
Material Options

SHORE A
ASTM HARDNESS
CODE

MATERIAL

RANGE
 
CR NEOPRENE (CHLOROPRENE) 25 - 90
SBR SBR 30 - 90
NR NATURAL RUBBER 30 - 90
IIR BUTYL 40 - 80
IR ISOPRENE 30 - 90
NBR NITRILE (BUNA-N) 30 - 90
EPDM EPDM 30 - 90
CSM HYPALON®· 55 - 80
FKM VITON®· 55 - 90
FKM AFLAS®·· 60 - 90
MQ SILICONE 30 - 90
FVMQ FLUORO SILICONE 50 - 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.

® · Hypalon and Viton are registered trademarks of Dupont Dow Elastomers
® · · Aflas is a registered trademark of the 3M Corporation