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EPDM Gaskets

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EPDM (Ethylene Propylene Diene Monomer) gaskets have a black plate finish and are resistant to weathering, ozone, and UV radiation. Read More…

EPDM Gaskets EPDM gaskets are the main type of gasket used in such applications in the automotive industry, particularly in sealing vehicle doors, windows and other components. They are also made to withstand a variety of temperatures, which can range from around -60 to 300° F and, as a result, are a good weather-resistant material.
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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 $$$

Akron, OH  |  877-771-6766

Our company is the gaskets experts. We have over 30 years of experience, and we have a huge knowledge base of rubber gasket technology and other forms of manufacturing methods. We can create rubber extrusions, molding, die cutting, lathe cutting, coating, and more.

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Premier Seals Manufacturing $$$

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. $$$

Chandler, AZ  |  480-892-7325

Arizona is your complete source for standard and custom gaskets, o-rings, seals and more since 1989. Call Arizona Sealing Devices first to solve your die cut gasket needs and you’ll receive same day shipping on stock items plus full custom capabilities.

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

What are EPDM Gaskets?

EPDM (Ethylene Propylene Diene Monomer) gaskets have a black plate finish and are resistant to weathering, ozone, and UV radiation.

EPDM gaskets are chemically resistant and have strong electrical qualities. EPDM gaskets are rubber gaskets made of the same-named synthetic rubber.

EPDM Gaskets

How EPDM is Made

EPDM, a polymer, is made by causing a chemical reaction between its constituents. This chemical reaction produces a mixture of particles and clusters of massive, repeating molecules.

The chemical must be vulcanized or cured with sulfur after it has been generated. This is because the presence of diene in EPDM causes its polymer structure to change from saturated to unsaturated.

Vulcanization, which results in the production of crosslinks between the polymer chains of the molecules, is required to strengthen the rubber, which becomes more durable and less sticky after vulcanization.

Without the strength supplied by vulcanization, EPDM would be much more susceptible, break down more easily, and not last nearly as long.

Manufacturing of EPDM Gaskets

EPDM gaskets are often manufactured by die cutting. Die cutting is a cold-working procedure that involves cutting stock material using shears or other cutting tools. Cutting blades are almost entirely constructed of steel alloys like stainless steel.

Shearing and shearing-type activities are the most common sub-processes in die cutting. Shearing is the procedure that occurs when a maker uses straight cutting blades. In the meantime, if the producer uses a curved blade, the die-cutting procedure is similar to shearing.

EPDM Rubber Gasket

"Dinking" is a standard die-cutting technique for making rubber gaskets of all kinds. Shears are used to cut webs of materials in this operation, called "clicking" in metallurgy.

Dinking necessitates using specific dies that are hammered or mechanically pushed into materials. Dinking dies and hollow cutters are two terms for the same thing. EPDM gaskets of diverse forms, lengths, widths, and depths are made using die cutting.

They can be worked in various forms after being cut, including rubber foam gaskets, sealant strips, and gasket tape. A sealant strip is a closed-cell material that blocks rather than absorbs components. As a result, it's ideal for waterproofing applications.

EPDM gasket tape is also constructed of a closed-cell rubber substance, so it is ideal for sealing tight and difficult-to-reach areas.

Properties of EPDM Gasket Material

  • At room temperature, ethylene and propylene are both hydrocarbons that remain gaseous. Polymers such as polyethylene and polypropylene are formed when they are mixed. EPDM may be made by regulating the polymerization process and adding the right amount of ethylene and propylene.
  • EPDM is manufactured using a technique that produces long molecular chains that give the material its improved elasticity. EPDM is unique among elastomers in that it may be made to resist extremely high temperatures while remaining flexible at very low temperatures. The material is also resistant to oxidation and ultraviolet light's aging effects.
  • EPDM has excellent mechanical qualities. It has a tensile strength of 7 to 21 MPa, making it stronger than silicone, which has a tensile strength of 5 to 10 MPa; nitrile, which has a tensile strength of 12 to 15 MPa; and neoprene, which has a tensile strength of 5 to 8 MPa.
  • EPDM rubber gaskets are more abrasion resistant and are formulated to withstand strong chemicals like acids and alkalis. EPDM gaskets are appropriate for applications involving hydrocarbon lubricants and petroleum compounds, which cause swelling in conventional gasket materials. Its heat-resistant qualities and stability make it suited for steam applications.

Applications of EPDM Gasket

  • EPDM is excellent for gaskets exposed to sunshine, water, and cold temperatures. EPDM gaskets with good compression set resistance recover well in occasional situations where a joint may open up. EPDM gaskets with strong electrical resistance may be suitable for some electrical installations.
  • Silicone is a high-performance material with a wide temperature range and exceptional flexibility in the gasket industry. In many cases, however, an EPDM gasket may be more cost-effective. It has a similar temperature range and is a stronger, more lasting material.
EPDM Gaskets Applied in Control Technology

EPDM Gaskets Informational Video

 

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