Thermodyn Corporation

What Thermodyn Corporation does

Thermodyn Corporation is a privately held U.S. manufacturer and distributor of industrial sheet rubber, sealing materials, caulks, coatings, adhesives, and expansion joint products, founded in 1979 and headquartered in Sylvania, Ohio. The company operates an ISO 9001 certified production facility with over 100,000 sq ft of manufacturing and warehouse space across locations in Sylvania, OH and Houston, TX. Its product portfolio spans more than ten elastomer families — including Viton™ fluoroelastomers, EPDM, Neoprene, Nitrile/Buna-N (including HNBR), Butyl, Hypalon®, Silicone, Pure Gum Rubber, and cork composites — offered in commercial, specification, FDA, and Mil-Spec grades, plus the proprietary Fluorodyn™ line of Viton™-based caulks, coatings, and adhesives co-developed with Chemours/DuPont engineers and the exclusively manufactured C3-5100 Series HNBR.

The company's core technology centers on specialty elastomer compounding and conversion, with custom compound capabilities covering durometer choices from 35 to 85. It is one of the oldest authorized Genuine Viton™ Licensees in the United States, with a primary raw material supply relationship with Chemours. Products are qualified to ASTM, RMA, and Fluid Sealing Association standards, with full manufacturing traceability, and are sold under both commodity and proprietary grades serving industrial manufacturing, petrochemical, and food & beverage customers.

Thermodyn runs a sales-led, direct-distribution model with an inside sales team and regional sales representatives, providing quote-based pricing with same-day shipping on most orders. Revenue is generated through hardware sales of sheet rubber products and Fluorodyn™ specialty products across U.S. and select international markets. No revenue figures, external funding, or institutional ownership have been disclosed.

Name

Thermodyn Corporation

Legal name

Thermodyn Corporation

Website

https://thermodyn.com

Company type

Private

Founded year

1979

Operating status

Operating

Headcount range

11–50 employees

Short description

Thermodyn Corporation is a privately held, ISO 9001 certified U.S. manufacturer of industrial sheet rubber, sealing materials, caulks, coatings, and expansion joint products, founded in 1979 and serving industrial manufacturing, petrochemical, and food & beverage customers from facilities in Ohio and Texas.

Ownership category

akta.pro rank

Product category

Industrial Rubber Products and Sealing Materials

NAICS

Other Rubber Product Manufacturing (32629), Rubber Product Manufacturing for Mechanical Use (326291), All Other Rubber Product Manufacturing (326299)

SIC

Fabricated Rubber Products, Nec (3060), Adhesives & Sealants (2891), Plastic Materials, Synth Resins & Nonvulcan Elastomers (2821)

akta.pro primary industry

Molded & Extruded Industrial Rubber Parts (Custom Components) (IMANALAG)

akta.pro secondary industries

Food-Grade, Medical & Cleanroom Rubber Compounds (IMANAJAH), General-Purpose Rubber Compounds (NR/SBR/BR/EPDM) (IMANAJAA)

Keywords

• Industrial rubber products
• Sheet rubber manufacturing
• Elastomer sealing materials
• Fluoroelastomer products
• Expansion joint materials

Headquarters

HQ city

Sylvania

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Sheet Rubber Products: Thermodyn generates revenue through the manufacture and sale of industrial sheet rubber products including Viton™, EPDM, Neoprene, Nitrile, Silicone, Butyl, and other elastomer materials in various grades (commercial, specification, FDA, Mil-Spec). Products are sold in rolls, sheets, and slabs with various dimensions.
2. Fluorodyn™ Specialty Products: Revenue from proprietary Viton™-based specialty products including caulks, coatings, and adhesives sold in various packaging sizes (tubes, pints, quarts, gallons). Hazmat shipping fees apply for shipments from Ohio facility.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Thermodyn manufactures and distributes industrial sheet rubber products, caulks, coatings, adhesives, and expansion joint materials across elastomer families including Viton™ fluoroelastomers, EPDM, Neoprene, Nitrile (Buna-N), HNBR, Silicone, Butyl, Hypalon, and Pure Gum Rubber. Products are supplied in specification grade, commercial grade, FDA-compliant, and Mil-Spec variants in rolls, sheets, slabs, and cut widths.

Product overview

Thermodyn Corporation is a manufacturer and distributor of industrial rubber and sealing products established in 1979. The company operates as an ISO 9001 certified factory and is an authorized Genuine Viton™ Licensee. Their product portfolio centers on sheet rubber products including Viton™ fluoroelastomers (the flagship product line with various grades and formulations), complemented by Fluorodyn™ branded caulks, coatings, and adhesives for chemical-resistant sealing applications. The company offers a comprehensive range of elastomeric materials including EPDM, Neoprene, Nitrile/Buna-N (including HNBR), Butyl, Hypalon, Silicone, Pure Gum Rubber, and cork composites. Products are available in commercial grade, specification grade, cloth inserted, diaphragm, and food-grade FDA-compliant formulations. They also supply non-asbestos compressed sheet gasket materials, utility grade rubber, and expansion joint products manufactured to Fluid Sealing Association Standards. The company operates over 100,000 sq ft of manufacturing and warehouse space with locations in Sylvania, Ohio and Houston, Texas.

Differentiator

Problem solved

Functional benefit

Brands

• Fluorodyn™: Premium Viton™ polymer-based liquid products including caulk, coatings, and adhesives for chemical resistance and sealing applications. Developed in conjunction with Chemours/DuPont engineers.

Products and services

• Viton™ Rubber

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Four partnerships are on record, tiered core and minor.

• ChemourscoreTechnology or IntegrationPrimary supplier of Viton™ fluoroelastomer materials. Thermodyn is one of the oldest Genuine Viton™ Licensees authorized to brand materials with Genuine Viton™ Labels. Developed Fluorodyn™ product line in conjunction with Chemours/DuPont engineers.
• Energy Polymer GroupminorOthersProfessional industry organization membership providing networking and industry visibility.
• Fluid Sealing Association (FSA)minorOthersProfessional industry association membership. Thermodyn manufactures products to FSA Standards with full traceability.
• Gasket Fabricators Association (GFA)minorOthersProfessional industry association membership for gasket and sealing industry professionals.

Scale indicators3 records

Recent moves8 records

Expansion highlights5 records

Direct peers

• Elasto Proxy (a brand of Barbe Group): Elasto Proxy custom-fabricates rubber seals, gaskets, and molded elastomer components for industrial and defense applications. Comparable as a mid-sized custom rubber fabricator serving similar industrial, transportation, and chemical processing customers.
• Stockwell Rubber Company: Stockwell Rubber manufactures and distributes custom and standard sheet rubber, gaskets, and elastomer products. Comparable as a direct mid-sized US-based peer with custom compounding capabilities and similar industrial customer segments.
• Daemar Incorporated: Daemar is a Canadian-based distributor and converter of industrial sealing products including sheet rubber, gaskets, and expansion joint materials. Comparable as a direct mid-sized peer with similar product mix (sheet rubber, Viton, EPDM, gaskets) and industrial customer focus.

Broad incumbents

• Trelleborg Sealing Solutions: Trelleborg Sealing Solutions is a global leader in polymer and elastomer-based sealing products, including O-rings, gaskets, and engineered rubber parts. Comparable to Thermodyn as a broad incumbent in industrial rubber sealing for chemical, food, and pharmaceutical processing.
• Greene Tweed & Co. Greene Tweed is a global manufacturer of high-performance seals and custom-engineered elastomer products serving chemical, petrochemical, semiconductor, and industrial markets. Comparable to Thermodyn as a high-performance fluoroelastomer and HNBR sealing products manufacturer.
• Parker Hannifin (Industrial Sealing): Parker Hannifin's Industrial Sealing Division produces O-rings, gaskets, and engineered rubber materials. Comparable as a broad incumbent with overlapping Viton/fluoroelastomer product lines and similar industrial customer base.
• Klinger (Rich. Klinger Dichtungstechnik): Klinger manufactures gaskets, sealing sheets, and expansion joint products for industrial process industries. Directly comparable as a sheet rubber and gasket manufacturer serving chemical, petrochemical, and power generation end markets.
• Garlock (a brand of EnPro Industries): Garlock manufactures gaskets, sealing products, and specialized rubber products for industrial fluid sealing applications. Directly comparable as a broad incumbent in industrial sheet rubber and gaskets serving chemical processing and petrochemical customers like Thermodyn.
• Wacker Chemical (Silicone & Elastomers): Wacker produces silicone and specialty elastomer products used in sealing, gasketing, and FDA-compliant applications. Comparable as a supplier of raw silicone elastomer grades that Thermodyn sells and fabricates into finished products.

Others

• Global Sealing Solutions (related entity): Contact details for several Thermodyn sales personnel reference @global-sealing.com email addresses, indicating an affiliated sales entity with related industrial sealing offerings. Included as an adjacent/related entity reflecting Thermodyn's commercial footprint.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/thermodyn-corp

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Thermodyn Corporation