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Manufacturer and distributor of die-cut gaskets, seals, o-rings, and molded rubber products.

O-Rings

Millions of o-rings in all standard AS568-B sizes.

Gaskets

A wide variety of gasketing products - fabricated in dozens of materials in hundreds of formulations

Seals

Hallite, SKF, Rotary, Bonded Seals, and Performance Plastics

Molded Products

Transfer, injection (LIM), and compression molded from any elastomer

Thermal

Gap fillers, thermal insulators, and thermal tapes

PTFE

O-Ring and gasketing material with strong chemical resistance properties

Vapor Membranes

Hydrophobic, oleophobic and hydrophilic ePTFE venting membrane materials

EMI / RFI SHIELDING

Fabric over foam and conductive elastomers

O-Rings

Millions of o-rings in all standard AS568-B sizes.

Gaskets

A wide variety of gasketing products - fabricated in dozens of materials in hundreds of formulations

Seals

Hallite, SKF, Rotary, Bonded Seals, and Performance Plastics

Molded Products

Transfer, injection (LIM), and compression molded from any elastomer

Thermal

Gap fillers, thermal insulators, and thermal tapes

PTFE

O-Ring and gasketing material with strong chemical resistance properties

Vapor Membranes

Hydrophobic, oleophobic and hydrophilic ePTFE venting membrane materials

EMI / RFI SHIELDING

Fabric over foam and conductive elastomers

Seal & Design

Established in 1989 by Dean T. Penman, Seal & Design Inc. has established itself as an industry leader in the sealing and gasketing industry. Seal & Design is a leading manufacturer and distributor of die cut gaskets, seals, o-rings, and molded rubber products.

Dean’s original philosophy included exceeding customer expectations with great customer service and high quality products; and we are proud to continue that tradition today. We supply to the Automotive, Medical, Military, Aerospace, Electronics, Power Generation, Hydraulics, and many other commercial industries.

Our mission is to provide the highest quality products, the best technical support, reliable on-time delivery, and superior customer service, at competitive prices. We achieved our ISO/TS 16949 certification in 2003, and in 2018, became IATF 16949:2016 certified. Seal & Design’s customer focused attitude allows us to exceed customers’ expectations.

Latest Updates

Thermal Gap Filler

A thermal gap filler is a piece of material that gets into tiny pockets of air between components and casings. They fill the space to allow for optimal heat resistance in a heat-generating component. This enables enhanced performance and in some cases efficiency in the component or the device…

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