Seal & Design

Call Us: 716-759-3344

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

Customer Portal

Customer Portal We’ve been hard at work adding more convenient features to our customer portal. We have you covered for checking

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COVID-19 Silicone Applications

Silicone Engineering is a critical infrastructure industrial manufacturer, vital to national safety and defense.  We are also an essential COVID-19 component producer. 

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Poron Material

PORON® Material

PORON® is a microcellular urethane foam with an extremely low compression set. PORON® materials are of high density and a flexible cellular products. Learn more!

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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.