Custom Carbon Graphite Materials | St Marys Carbon

Custom Carbon Graphite Materials

One of the main benefits to being a St. Marys Carbon customer is that we are one of the few carbon companies globally to develop our own proprietary materials. This means that our products will be fully customized to your specific application from start to finish. We start with a customized mix of base materials that are further tailored to you using specialized formulations, molding and baking methods, impregnations and treatments. This allows us to develop materials for a wide variety of applications while still ensuring they meet each your specific needs. Below outlines several ways our materials can be customized to you; however, simply contact us if you have additional needs.

  • Wide Variety of Base & Impregnated Grades – We have unique carbon graphite grades within the below material categories and are continually developing new grades as new applications arise
    • Carbon Graphite
    • Electrographite
    • Resin-Bonded Graphite
    • Copper Graphite
    • Silver Graphite
    • Antimony Impregnated Graphite
    • Babbitt Impregnated Graphite
    • Other impregnations, including inorganic salts, molten metals, molten ceramic
  • Treatments/Coatings – We are also able to apply specific treatments to add or enhance key properties of the materials. Common examples are TeflonTM, Pyrolytic Carbon or Pyrolitic Graphite, Silicon Carbide, Diamond Like and Diamond Coatings
  • Baking Methods – In addition to altering the materials themselves, our proprietary baking methods are vital to ensuring our materials achieve the specific properties needed for your application
  • Customized Properties – Below are several of the main properties that we take into consideration to ensure our product is viable for your specific end-use.
    • Temperature Level
    • Wear and Friction Level
    • Strength (Compressive, Transverse, Tensile)
    • Thermal Expansion
    • Thermal Conductivity
    • Electrical Conductivity
    • Porosity
    • Chemical Resistance
    • Oxidation Resistance
    • Environmental / Sanitary Requirements (e.g., NSF, FDA, ROHS, WRAS)

Contact us today to learn more about how materials can be tailor-made to your application!


Custom Components & Parts

We develop parts that are customized to each of our customer’s specific application requirements. Our unique technical knowledge and manufacturing expertise allows us to customize parts within our existing product line or as part of our new product development.

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Carbon Material Blanks

St. Marys Carbon custom manufactures the highest quality carbon graphite materials. We have electro-graphite, metal graphite, copper graphite, silver graphite, carbon graphite and resin-bonded materials to suit your specific application. All of our products, from the blending of raw materials to the finished products, are made in-house by our specialized craftsmen.

*St. Marys Carbon is a custom solution provider. No matter your application or product needs, contact us and we will find a solution.

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Wear Plates & Graphite Plugs

St. Marys Carbon custom manufactures a large variety of carbon and graphite grades for a wide range of wear applications. Our proprietary grades are necessary for many of the unique environments in which wear products are required. All of our products, from the blending of raw materials to the finished products, are made in-house by our specialized craftsmen.

*St. Marys Carbon is a custom solution provider. No matter your application or product needs, contact us and we will find a solution.

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Silver Dot™ Hanger & Dryer Bearings

Silver DotTM Dryer & Hanger Bearings? are patented and exclusively manufactured by St. Marys Carbon. Silver DotTM Dryer Bearings are made with the globally recognized 224 carbon graphite grade to be the highest-quality, longest-lasting bearings in the industry. We offer both plain bearings and full assemblies for every type of gypsum, veneer, insulation board dryers, as well as other dryer applications as requested.

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Rotors and Vanes

St. Marys Carbon manufactures rotors & vanes from superior carbon graphite grades for a variety of applications. Our Rotors & Vanes are made from specialized, proprietary materials that are required for many of the unique environments in which rotors & vanes are used. All of our rotors & vanes, from the blending of raw materials to the finished product, are made in-house by our specialized craftsmen.

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Hot Glass Handling

St. Marys Carbon manufactures a wide range of hot glass handling products. These products are used in the manufacture of glass components for a wide variety of industries, including Aerospace, Automotive, Electronics, Food & Beverage, Industrial, Medical and Pharmaceutical. St. Marys Carbon grades will not check, adhere to, stain or otherwise damage the glass during the manufacturing process and can be used in contamination-free environments.

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Mechanical Seals

St. Marys Carbon custom manufactures a variety of seal grades to suit any sealing application. We offer blank stock, various types of impregnations, intricately machined seals, non-polished seals, and polished seals. Our mechanical seals are used in a variety of pumping applications and are especially beneficial in any type of dry-running, harsh (e.g., high temperature, chemically corrosive) and sanitary environments.

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Bearings / Bushings

St. Marys Carbon custom manufactures many sizes, shapes and quantities of bearings / bushings, including radial, thrust/axial and sleeve. Our bearings / bushings are used in a variety of pumping applications and are especially beneficial in any type of dry-running, sanitary environments and harsh conditions (e.g., high temperature, chemically corrosive).

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Automotive Brushes

Our carbon graphite automotive brushes are used for both OEM and aftermarket applications, including light, medium and heavy duty vehicles, as well as motorcycle applications. We offer plain brushes or complete brush assemblies to meet your specific needs.

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ARC™ Electrical Contacts

St. Marys Carbon Company offers a wide range of electrical contact materials. Some of the benefits of these materials include: high conductivity, low friction, self-cleaning and the ability to withstand extreme environmental conditions. Based on the type of material and the configuration, many contacts can be molded to size.

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