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Rubber Gaskets

A reliable source for Rubber Gaskets information and leading Rubber Gaskets Companies & Manufacturers.

A rubber gasket is a clever component that keeps liquids and gasses out. They’re ideal for filling in imperfections and joining two surfaces together. A gasket must be manipulable and capable of warping into the tight space for which it was created. Read More…

Rubber Gaskets All engines depend on gaskets for sealing components that transmit fuel, oil and gasses like exhaust.
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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...

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Phelps Industrial Products, LLC $$$

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 ...

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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 ...

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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...

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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 $$$

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 $$$

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®, neoprene and cork rubber. 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 ...

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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...

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

What are Rubber Gaskets?

Gaskets are used to seal two sections together that don't fit together correctly. Gaskets serve to keep numerous mechanical devices working properly by preventing leakage.

Oil Pan Gasket

How Rubber Gaskets are Made

Rubber gaskets arrive at the factory as enormous flat pieces of material, usually rubber. A "bun" is the name for this basic material. The bun is delivered in a huge, flat pad. The pads are chopped into the correct width using a bun-splitting machine.

Each pad can be somewhat thick when supplied, necessitating a bun splitter machine to reduce it to the appropriate specification. The worker feeds each new sheet of rubber into a laminating machine after the bigger portions have been transformed into smaller, more manageable bits.

These machines are very specialized, applying pressure and heat to the raw material. The paper side of the adhesive layer may be easily pulled back to allow the material to cling to any surface. Gaskets are then manufactured using a CNC die-cutting machine that stamps them out of the bigger sheet.

Sealing of Rubber Materials

The gaskets are packaged and transported worldwide after they are manufactured. Although the raw materials used in gasket production differ, the technique is generally the same. These gaskets will effectively seal two pieces found in agricultural, automotive, small engine, medical, military, and industrial devices and tools.

Gasket cutting, gasket punching, and rubber molding are just a few of the techniques that may be utilized to manufacture a gasket that perfectly suits the purpose of usage and solves various challenges.

Rubber gaskets are manufactured using the rubber molding method. This procedure involves putting raw rubber compound into a mold, then vulcanizing it under pressure at a high temperature. Rubber can be molded in two ways: compression molding and injection molding.

Compression Molding

Compression molding is the most basic type of rubber molding. When the mold is closed and placed under pressure and heat, the rubber material is directly inserted into the cavity and adopts its shape.

Rubber compression molds come in various sizes and shapes, and they may make more than just rubber gaskets.

Injection Molding

Rubber gaskets can also be made via injection molding. This method involves loading uncured rubber into an injection barrel, which is subsequently warmed in a temperature-controlled barrel by an auger screw.

An injection press is used to inject the rubber into the mold cavities, with the auger screw spinning to refill the injection barrel once the material has hardened in the heated mold.

Advantages of Rubber Gaskets

  • Rubber can be pushed tightly against surfaces, ensuring that no liquids or gasses pass through any holes between two adjacent surfaces. Many rubber gaskets have a wide temperature range throughout which they can still function in hot or cold situations. Certain rubbers have superior temperature range capabilities; thus, the optimal rubber material for an application can be chosen. This is critical since gasket failure can result in a lot of damage or problems in a system.
  • Rubber gaskets can be found in many places, including windows, doors, automobiles, plumbing systems, motors, and hoses. They are extremely important when fluid is transmitted through connecting pieces that are hazardous to contact. The gasket will prevent leaks or spills, ensuring the safety of the people and environment in the area.
Rubber Gasket Die-Cutting

Applications of Rubber Gaskets

  • Rubber gaskets are extensively used in the manufacturing industry on machines and equipment. There are various manufacturing procedures for different things, and they all need interaction with potentially hazardous substances and gasses. Rubber gaskets are used to keep this machinery running smoothly and safely.
  • Gaskets seal components that carry fuel, oil, and gasses such as exhaust in all engines. Rubber is the most effective sealing material in many gasketing applications due to its fluid non-permeability, chemical resistance, heat resistance, and pressure resistance. All rubber goods are elastomers, which are defined by their elasticity. Rubber's suppleness makes it a suitable material for gasketing applications. When squeezed and subsequently relaxed, most rubber materials will quickly recover to their former shape, given that severe temperatures and the presence of corrosive substances are not problems.

Choosing the Correct Rubber Gasket Manufacturer

To ensure you have the most positive outcome when purchasing rubber gaskets from a rubber gasket manufacturer, it is important to compare several companies using our directory of rubber gasket manufacturers. Each rubber gasket manufacturer has a business profile page highlighting their areas of experience and capabilities, along with a contact form to directly communicate with the manufacturer for more information or request a quote. Review each rubber gasket business website using our proprietary website previewer to quickly learn what each company specializes in. Then, use our simple RFQ form to contact multiple companies with the same form.

Rubber Gaskets Informational Video


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