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Bostec's revolutionary H-Seal™ are the most reliable, flexible and cost effective metal seals in existence. H-Seal™ provide an ultra high vacuum (UHV) seal that is particle free, impermeable to moisture and are interchangeable with elastomeric O-rings. Learn more about H-Seal ...

Guaranteed 100% reliable
Interchangeable with Elastomeric O-Rings
Cryogenic to 500+° C
Sizes from 0.300" to 14"
Available in Nickel, Aluminum, Copper



 
 

All Seals Incorporated
The Sealing Specialists
2110 S. Yale Street
Santa Ana, CA 92704
Phone: (714) 556-4931
Fax: (714) 557-3257
SEALS › O-Rings

Natural Rubber (NR)

Natural rubber is produced from the latex of the Hevea brasiliensis and the chemical name of the polymer is polyisoprene. Polyisoprene also can be synthesized by polymerization from its monomer isoprene. Natural rubber possesses many excellent physical properties including high resilience and strength, good abrasion resistance. The defects are like SBR, having poor resistant to hydrocarbon oil and not suitable in UV, oxygen and ozone because of the double bond in the polymer backbone. Its poor weathering resistance can be modified by special additive.

Service Temperature

For NR the Service Temperature can be designed from -50 C to 70 C, and up to 100 C at short time.

Hardness

40 to 90 Shore A are available.

 
 

For immediate assistance - Call 800-553-5054
We can supply custom molded o-ring designs in any material and in virtually any shape or size. Send your drawings for quote or call to discuss product or material design perimeters with our engineering department.

 
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