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Characteristics of Custom Gaskets

Vibration-Dampening Sponges

Closed cell or open cell. Available in silicone, EPDM, EPDM/NEO/SBR blends, silicone solid or sponge, poron/microcellular urethane foam.

Electrical Conductive Materials

Suited for EMI/RFI abilities and Electro-Static Discharge (ESD), pyrolux, copper (110 annealed).

Thermal Insulation Barriers

Includes radiant barriers and wet suit material.

Thermal Conductive Gaskets

Commonly used to dissipate heat from electrical heat-generating devices.

Electrical Barriers

Silicone, Kapton (polyimide film), fish paper (vulcanized fiber), polycarbonate sheet, some with UL 94 flammability rating.

Copper Gasket Material

We stock .0007” (1/2 oz), .001”, .0014“(1 oz), .003”, .005”, .008”, and .010” thick (all 110 annealed).

Common Rubber Characteristics

Rubber is either a solid or a sponge. Solid rubber is measured in Durometer on the A scale. A car tire is about 70A Durometer. A sponge is either open cell or closed cell and is classified by Type (1 or 2), Class (A, B, C, or D), and Grade (0, 1, 2, 3, 4, or 5).

Rubber may have many desired characteristics, such as temperature, resistance to oil, solvents, weather, other chemicals, abrasion, compression, and tensile strength. More specific characteristics are mandated by organizations or government agencies [FDA Approved, MIL Spec, UL Rated, NSF Certified, NEMA, ASTM, AMS, CE (European Union Certification), RoHS].

EPDM Rubber

Ethylene Propylene Diene Monomer (EPDM) rubber withstands harsh weather conditions well. EPDM rubber is resistant against UV rays, water, steam, aging, and heat under 350° F. The rubber’s characteristics make it excellent for outdoor use and fair for abrasion and chemicals. Its temperature range is -55 to 300° F, but most commonly -40 to 225° F.
  • Common durometers available: 40A-80A
  • Rubber durometers (tolerance is usually +/- 5):
    • Soft: 10A-40A
    • Medium-soft: 40A-50A
    • Medium-hard: 50A-70A
    • Hard: 70A-95A
  • Color: Black

FDA-Compliant EPDM Rubber

FDA-compliant EPDM rubber is available in white. This rubber is non-marking and safe for contact with food and drinking water. It can be used indoors or outdoors.

Contact Apex Die and Gasket

Let Apex Die and Gasket use their many years of experience in custom gasket development to help you today. To learn more about the gasket services that Apex Die and Gasket has to offer, call us in the Metropolitan Phoenix area at 480-894-1112 or toll free at 1-888-937-3907. If you prefer to send us an email, contact us today.