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Teflon Gaskets

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Teflon is an inert substance and can withstand heavy chemical flow where other materials cannot, providing a safe, highly resilient coating and preventing chemicals from leaking and contaminating anything. Read More…

Teflon Gaskets Polytetrafluoroethylene (PTFE), which goes by its more common brand name, Teflon, is a non-stick substance that can be used to make gaskets. Teflon gaskets provide a wear-resistant seal for gaps between machine parts on applications in various industries.
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Leading Manufacturers

Laurel, MD  |  800-876-7325

Phelps Industrial Products is a major manufacturer, fabricator and distributor for a wide range of industries throughout the world. We employ a wide range of both computerized high speed and manual equipment to fulfill the toughest demands. We also have a wide range of compressed, elastomeric and non-elastomeric materials available. Since our founding in 1945, we have taken great pride in our ability to provide quality solutions for our customers’ needs.

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Phelps Industrial Products, LLC $$$

Seattle,WA  |  800-537-9663

As a supplier of gaskets since 1977, Gardico is dedicated to customers in all industrial sectors needing standard & custom gaskets of superior workmanship. Gardico works with a variety of foam, fiber, felt, cork, plastics, metals & numerous other materials to meet all of their customers’ needs.

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Gardico $$$

Carson City, NV  |  800-733-2648

REDCO is your complete source for molded gaskets or die cut gaskets, using a wide range of materials. We pride ourselves on just-in-time delivery and practice a "zero-defect" policy. Since our founding in 1948, it has been our goal to be a one-stop place for your gasket needs.

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REDCO Rubber Engineering & Development Company $$$

Grand Rapids, MI  |  616-538-4970

Since 1946, Kent Rubber Supply has been providing the industry with state-of-the-art gaskets. Leveraging the best equipment and the most skilled staff, we ensure we continuously meet our customers unique needs—both domestic and offshore. Our team is capable of prototyping, samples, low-run, or large-volume production. We are confident that our high-tech, industry-leading precision equipment can meet–or exceed–your needs.

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Kent Rubber Supply Co. $$$

Santa Fe Springs, CA  |  562-941-4800

RD Rubber Technology Corp is an ISO 9001:2015 / AS9100:2016 certified and ITAR registered company. We offer compression, transfer, injection and Liquid Injection molding, rubber to metal bonding, engineering support, tooling design, machining and more. Our customers rely on us to give them the best possible production gaskets. From aerospace to medical, food processing to military applications we build trust by being responsive to your needs.

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RD Rubber Technology Corporation $$$

Newport, MN  |  866-901-0014

High-quality gaskets and seals are our priority at PDI Gaskets & Seals. We offer a wide range of brands and sizes for our gaskets and seals, and we even offer custom options. We carry a wide line of products including soft gaskets, metallic gaskets, sanitary gaskets, gasket sheet, gasket tape, fiberglass tape, joint sealant, expansion joints, packing, absorbents, and o-rings. If there is a product you need but don't see on our site, please reach out, and we will find it for you!

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PDI Gaskets & Seals $$$

Bellmawr, NJ  |  800-210-5000

Mercer Gasket & Shim brings you quality custom gaskets, o-rings & expansion joints in a wide selection of materials, including rubber gaskets, ceramic fiber gaskets, viton gaskets, metal gaskets & many others. We pride ourselves on speed & flexibility, offering 24 hour service & 100% on-time delivery.

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Mercer Gasket & Shim $$$

Stuart, FL  |  772-286-9278

Manufacturer of standard and custom rubber gaskets, made of EPDM, neoprene, nitrile, dense, recovery sponge rubber and silicone compounds. Secondary processes such as die cutting, notching, and glue splicing are offered.

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Britech Industries $$$

Canonsburg, PA  |  866-672-8100

Whether your requirements for custom extruded parts are large or small, multi-dimensional or simple, our engineers will help in finding the solution to meet your needs here at National Rubber Corporation.

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National Rubber Corp. $$$

Franklin, WI  |  800-556-7188

CFS is an ISO 9001:2015 manufacturer of custom gaskets utilizing materials such as silicone rubber, EPDM, Poron®, Santoprene®, RN-8011 and Viton®. We can source the gasket material or use customer-supplied materials. Our in-house engineers will work with you to ensure the perfect fit for your custom gasket needs. CFS offers large format cutting, adhesive laminating, and kiss-cutting or split liners for your gaskets. Small runs are a possibility utilizing our dieless knife cutting capabilities.

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Custom Fabricating & Supplies $$$

San Fernando, CA  |  818-764-8222

Our team at Spira strives to bring you the best gaskets on the market. We exhibit our commitment to quality products by staying at the forefront of ever-changing manufacturing technology. We offer RFI gaskets to suit various applications, with groove-mounted, surface-mounted, and honeycomb filter configurations available. Contact us and we will help you find the gasket that suits your requirements.

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Spira Manufacturing Corp. $$$
placeholder image Phelps Industrial Products, LLC Gardico REDCO Rubber Engineering & Development Company Kent Rubber Supply Co. RD Rubber Technology Corporation PDI Gaskets & Seals Mercer Gasket & Shim Britech Industries National Rubber Corp. Custom Fabricating & Supplies Spira Manufacturing Corp.

Teflon gaskets are commonly used in the medical and food industries, where hygienic sealing is crucial. Though they cannot withstand high pressures or temperatures - they can only handle up to around 500° F - they can handle cold flow, even cryogenic temperatures, and are frequently used in valve seal applications in the piping and industrial manufacturing industries.

Additionally, they can be used as an alternative to elastomers in o-rings because of their ability to expand or conform to different environments. Iron and steel can be used as alternatives to Teflon, and are commonly used in other types of gaskets, such as metal jacketed gaskets.

However, Teflon has advantages that metals do not; mainly, it has the lowest friction coefficient out of any existing solid. This allows the gasket to be highly chemical-resistant, makes for a better, longer-adhering sealant and provides better flow between machine parts.

Teflon is manufactured by going through the polymerization process. A polymer is a chemical reaction that forms a compound, which then mixes particles with clusters of repeating large molecules to form a substance. Teflon is the polymerized version of tetrafluoroethylene (TFE).

There are three main types of Teflon gasket materials: virgin Teflon, filled Teflon and expanded Teflon. Virgin Teflon is the most generally used since it is just pure Teflon with no fillers. Filled Teflon is virgin Teflon that has a filler added to it during the manufacturing process.

The fillers are typically glass, graphite, carbon or bronze, and each filler has different benefits. Glass acts as a higher wear-resistant and chemical-resistant sealant. Graphite provides less friction, is wear-resistant and also is a strong compressive material.

Carbon fillers do not deform or break down easily and are resistant to various temperatures. Bronze is also a strong compressive material, is wear-resistant and provides good thermal resistance. Expanded Teflon is virgin Teflon that has had a stress resistance added to it during the manufacturing process. This means that the molecular makeup of the material will never settle, which allows the Teflon to continually expand and contract to conform to its environment.

Since no additives are used during this process, expanded Teflon retains the same chemical resistance as virgin Teflon, making it a highly practical and effective gasket material.

Teflon is ideal for gasket use because it is a flexible material that can be die-cut into various shapes and sizes.

Teflon Gaskets Informational Video

 

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