For over 80 years, Mercer Gasket & Shim (MG&S) has been a premier manufacturer of high-performance sealing solutions for the world’s most demanding applications. From critical refining and aerospace components to defense and renewable energy systems, we deliver the precision and reliability your operations require.

Our facility combines decades of expertise with proprietary, custom-built equipment to handle virtually any manufacturing challenge. Whether you need a high-volume run of standard non-metallic gaskets or a highly complex, custom metallic seal, we have the material access and technological capacity to deliver on time and to specification.

As an ISO 9001:2015 and UL-certified manufacturer, every product we produce meets strict quality and compliance standards.

Explore our full range of cutting capabilities, materials guide or view our factory tour video.

Have a specific print or a challenging application? Submit Your RFQ for a rapid response from a sealing specialist, or call us directly at 800-210-5000.

Metallic

Jacketed Gaskets

Jacketed & Double Jacketed

MG&S is an industry-leading manufacturer of highly durable jacketed gaskets, which combine the superior temperature resistance of a metal jacket with the optimal sealing performance of soft filler. As with our solid metal sealing solutions, Mercer will fabricate jacketed seals from any metal in any thickness to provide compressive strength and blow out resistance, depending on the application’s corrosive conditions.

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Jacketed & Double Jacketed

Kammprofile Gaskets

Kammprofile

MG&S is a premier provider of high-quality Kammprofiles. Consisting of a metal core serrated on each side and covered with a soft filler that is bonded to each face, our Kammprofiles (or camprofile ) are ideal for both standard pipe and heat exchanger applications. Mercer’s kammprofiles (also known as Camprofiles) are available in different materials, shapes and styles, including Grafoil and PTFE, and can be customized to meet your individual needs.

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Kammprofile

Spiral Wound Gaskets

Spiral Wound

MG&S is a premier manufacturer of custom spiral wound gaskets. Mercer’s precision-engineered spiral wounds are ideal for applications that demand a sealing solution with the highest-quality flexibility and recovery to maintain a seal even in conditions characterized by fluctuating temperature and pressure.

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Spiral Wound

Non-metallic

Rubber Gaskets

Rubber

MG&S fabricates superior custom rubber seals that can be die cut or CNC flash cut from a variety of rubber materials. Rubber present advantages in numerous applications, helping prevent leaks and loss of pressure in countless forms of process equipment, piping systems, machinery, and more.

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Rubber

Carbon & Graphite Gaskets

Carbon & Graphite

Our carbon fiber and graphite gaskets are among the most reliable sealing options available for high-pressure, high-temperature applications involving steam. In addition to saturated steam, our carbon fiber and graphite seals are used against a wide variety of acids, alkalis and salt solutions, organic compounds, and heat transfer fluids at high temperatures.

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Carbon & Graphite

Ceramic Fiber Gaskets

Ceramic

We provide high-quality ceramic fiber seals for high-temperature applications. Often used as high-temperature insulation for sensitive apparatus and in the containment of fuel, gas and small particles, Mercer’s ceramic fiber sealing solutions are ideal for use in industries such as oil and gas.

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Ceramic

PTFE & PTFE-based Gaskets

Ptfe

MG&S is a premier manufacturer of PTFE seals, which provide excellent chemical resistance and extremely low leak rates. Able to withstand much more aggressive chemical environments than standard non-asbestos materials, PTFE materials are highly resistant to chemicals, solvents, caustics and acids, except alkali metals and fluorine gas.

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Ptfe

Extruded & Molded Gaskets

Extruded & Molded

We are a trusted provider of custom extruded and molded seals in virtually endless configurations. Utilizing FDA-approved elastomers, including silicone, Viton and Neoprene, our high-quality extruded and molded gaskets are available in a variety of materials, sizes and cross-sections, and are used across a wide range of industries and applications.

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Extruded & Molded

Materials

Durlon 9600

Durlon Material

Effective fluid sealing solutions start with selection of the best possible gasket materials. With over a century of fluid sealing experience our customer support staff possess the know-how to provide the best material for your sealing requirements. Mercer is an authorized stocking distributor offering a wide range of safe, reliable, and innovative  materials from Durlon® Sealing Solutions.

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Durlon Material

Reinz

Victor Reinz Gasket Material

MG&S is an authorized and stocking distributor of Victor Reinz materials sharing a long and proud history making Mercer one of the most established distributors and fabricators of high-performance compressed gasket materials in the USA. Victor Reinz has long been a pioneer in material innovation, representing the most advanced sealing technologies and meeting the automotive and industrial communities’ most demanding and complex sealing requirements.

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Victor Reinz  Material

Durlon 9400

Materials Guide

Our Materials Guide will help you pick the general class of materials suitable for your application. These materials are available in uncut form as well as in the form of gaskets. You can also access our full lists of soft materials and metallic materials to see what Mercer Gasket & Shim can work with.

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Materials Guide

Mercer provides gasketing solutions for a host of different products such as: 

  • Heat exchanger solutions: Designed to withstand high temperatures and pressures, ensure efficient and reliable heat transfer within heat exchangers. Manufactured with precision and using high-performance materials, they prevent leaks and optimize system performance.
  • Manifold solutions: Crucial for sealing the joints in manifolds, ensure proper flow of fluids (like fuel or exhaust) and prevent leaks. Engineered to withstand demanding environments and maintain system integrity.
  • Pipe solutions: Designed for various pipe applications, provide a secure and leak-proof seal between pipe flanges. We offer a wide range of pipe sealing solutions in different materials and sizes to accommodate diverse piping systems and operating conditions.
  • Pump solutions: Designed to seal joints in pumps, preventing leaks of fluids and ensuring efficient and reliable operation. Our pump sealing solutions are designed to withstand high pressures and temperatures, and are available in a variety of materials to suit different pump types and applications.
  • Valve solutions: Designed to seal joints in valves, preventing leaks and ensuring proper operation. Designed to withstand high pressures and temperatures, and are available in a variety of materials to suit different valve types and applications.
  • Fitting solutions: Designed to seal joints in fittings, preventing leaks and ensuring a secure connection. Available in a variety of sizes and materials to suit different fitting types and applications.
  • Exhaust solutions: Engineered to withstand extreme temperatures and corrosive exhaust gases, sealing the joints in exhaust systems. Designed for durability and longevity, minimizing emissions and ensuring optimal engine performance.
  • Sump solutions: Seal the sump of engines or other machinery, preventing leaks of fluids like oil. Manufactured with high-quality materials, providing a reliable seal and contributing to the overall efficiency and longevity of the equipment.
  • Transformer solutions: Designed to withstand high voltages and temperatures, and ensure proper insulation and prevent electrical arcing in transformers. Our transformer Solutions are manufactured with specialized materials and rigorous quality control to meet the demanding requirements of the electrical industry.
  • Door solutions: Designed to create a tight seal around doors, preventing air leakage, improving energy efficiency, and reducing noise intrusion. Our door sealing solutions are available in various profiles and materials to suit different door types and applications.
  • Cover solutions: Used to seal the joints between covers and the underlying components, they protect equipment from dust, moisture, and other contaminants. Our cover sealing solutions are designed for durability and ease of installation, ensuring reliable equipment performance.
  • Window solutions: Create a weather-tight seal around windows, improving energy efficiency, reducing noise, and preventing water infiltration. Our window sealing solutions are available in various profiles and materials to suit different window types and applications.
  • Self-adhesive solutions: Featuring an adhesive backing for easy and convenient installation and providing a reliable seal in a variety of applications, including automotive, appliance, and general industrial use.

Our Capabilities

Knife Cutting

Knife Cutting

Mercer Gasket & Shim’s highly accurate, state-of-the-art knife cutting capabilities allow us to deliver products to customers when speed, flexibility, and convenience are important.

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Laser Cutting

Specializing in fast turnaround of thin-gauge components, Mercer Gasket & Shim offers world-class laser cutting services for applications where precision is a high priority and quality is essential.

Learn More Waterjet Cutting

Waterjet Cutting

Mercer Gasket & Shim’s waterjet cutting service offers a fast, flexible, and accurate method for fabricating complex or difficult parts while maintaining the integrity of the material.

Learn More Flatbed Die Cutting

Flatbed Die Cutting

Our high-speed, Flatbed die-cutting can be used to create a variety of components, such as gaskets, packaging, bumpers, dampeners, labels, printed products, and more.

Learn More CNC Router Cutting

CNC Router Cutting

Mercer Gasket & Shim is equipped with new, state-of-the-art router cutting equipment. We can assist with mid to high volume mass production runs.

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Our Resources

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How to Select The Right Gasket How to Select The Right Gasket Materials Guide Materials Guide Reverse Engineering Reverse Engineering