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Products and materials used in mechanical assembly, and non-destructive test procedures to detect problems.
Web Seal Inc.

Web Seal - O-rings provide reliable leak-free seals and simple installation. They are an ideal, cost-effective solution for many sealing situations. Read more...

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Trelleborg Sealing Solutions

Our O-Rings are both cost-effective and perform highly in almost every environment. No matter if you need metric or inch, standard or custom-made O-Rings - any size of O-Ring seals is available... Read more...

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Trelleborg Sealing Solutions

Our O-Rings are both cost-effective and perform highly in almost every environment. No matter if you need metric or inch, standard or custom-made O-Rings - any size of O-Ring seals is available. Read more...

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Precision Associates Incorporated

Precision Associates introduces Z-APT™ Advanced Polymer Treatment.

Topical lubricants, such as, Moly, Teflon® or Silicone oil are excellent choices for aiding in the assembly of component parts but are generally temporary and not sufficient enough to prevent premature seal failure in dynamic applications.

Z-APT Advanced Polymer Treatment is a permanent modi... Read more...

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Precision Associates Incorporated

Precision Associates now has over 2600 O-Ring Sizes available!

Explore our AS-568 & Extended Standard Size O-Rings including our new 5/32" Nominal Cross Section O-Rings. Precision Associates' O-Rings are available off the shelf in several standard compounds. Or try O-Rings in one of 1,000+ specialty materials in 24 polymer groups, including Viton®, Aflas®, EPDM, Nitril... Read more...

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Precision Associates Incorporated

Too often, the seal that keeps the unit functional is the last thing that designers plan for! Selecting a standard sized seal will minimize tooling investment and improve delivery. Precision Associates has over 2600 O-Ring molds available but if one of those doesn't work for you, we can design a special seal to fit your needs.

Choosing the right material is also crucial to seal su... Read more...

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Precision Associates Incorporated

The World's Smallest O-Ring! Our 4-4 O-Ring is shown here in Roosevelt's ear. The O-Ring OD is only .012" (.3 mm). Precision Associates has always been known for making precision molded rubber seals, as well as tiny O-Rings and other microminiature products. Now we've produced what we believe to be is the World's Smallest O-Ring, our new 6-8. This new O-Ring has a cross section of... Read more...

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Precision Associates Incorporated

PAI molds medical grades of silicone, EP, FKM, and FFKM in our Class 7 (10,000) Clean Room within our Minneapolis manufacturing facility. Whether you need a standard or special sized O-Ring from our catalog or a custom seal, Precision Associates is... Read more...

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Seals-Shop GmbH

O-Rings are the most widely used seals because they are efficient and economical and can be used in a wide variety of static and dynamic applications. Read more...

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Precision Polymer Engineering Ltd.

PPE offers a full range of sealing solutions for pharmaceutical and bio-analytical industries where both mechanical and chemical properties are crucial, and hygienic sealing capability is critical. PPE's grades of medical rubber have been specially developed to produce medical seals which withstand a wide range of process media, potent active pharmaceutical ingredients (API's) and aggres... Read more...

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