Custom fabricated O-rings made from specialty materials for use in a wide range of pumps, valves, compressors, and devices used in medical instru-ments and other critical sealing applications are being introduced by Interstate Specialty Products, Inc. of Sutton, Massachusetts. Interstate’s Specialty O-Rings can be made from perfluoroelastomer (PTFE), Viton®, neoprene, nitrile, EPDM, solid and cellular urethane or silicone, and santoprene.  Designed to match specific application requirements, they can be spliced, vulcanized, and supplied in sizes from 1/32” to 48” I.D. with 1/16” to 1/4” cross sections, depending upon material and construction.

Material selection for Interstate’s Specialty O-Rings depends upon customer requirements with regard to fluid compatibility, temperature and different- tial pressure-, abrasion- and tear resistance, configuration, service conditions, installation considerations, and other factors.  They are available in hardness from supersoft to 90 Durometer.

Interstate’s Specialty O-Rings are priced according to material, configur- ation, and quantity.  Representative samples and price quotations are provided upon request.

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