Views: 0 Author: Site Editor Publish Time: 2026-04-01 Origin: Site
Reviewed and updated: July 12, 2026
Finding the right EPDM gasket manufacturer is not simply a matter of comparing unit prices. A gasket that looks correct can still fail if the compound, curing system, hardness, dimensions, compression behavior, or compliance documentation does not match the application.
To help engineers, distributors, OEM buyers, and sourcing teams create a practical shortlist, this guide compares 10 notable EPDM gasket manufacturers and suppliers in 2026. The companies cover different needs, from custom molded parts and cost-effective international sourcing to highly engineered seals for food, pharmaceutical, potable-water, HVAC, construction, and industrial systems.
There is no universal “best” EPDM gasket supplier. The right choice depends on your operating medium, temperature, pressure, geometry, required standards, order volume, delivery location, and quality-control requirements. The list below is therefore a procurement guide rather than an absolute ranking.
| Manufacturer or supplier | Main sourcing strength | Best suited for |
|---|---|---|
| LIXU RUBBER | Custom molded EPDM components, factory-direct China sourcing, automated production and inspection | OEMs, distributors, custom projects, small-to-volume orders |
| Parker Hannifin | Engineered elastomer sealing and clean EPDM solutions | Food, beverage, pharmaceutical, industrial equipment |
| Trelleborg Sealing Solutions | Application-engineered EPDM portfolios | Food processing, potable water, regulated systems |
| Freudenberg Sealing Technologies | Advanced compound engineering and static sealing | Process industry, food, pharmaceutical, mobility |
| KLINGER | Industrial gasket systems and flange sealing | Water, chemical processing, energy, infrastructure |
| Hennig Gasket & Seals | Fast custom fabrication and reverse engineering | Replacement parts, prototypes, custom-cut gaskets |
| Gasket Engineering | Precision converting and complex custom components | Electronics, energy, medical, industrial OEMs |
| Atlantic Gasket | Solid and sponge EPDM fabrication with adhesive options | HVAC, enclosures, outdoor equipment, general industry |
| Stockwell Elastomerics | Soft gasket fabrication and environmental sealing | Electronics, displays, enclosures, cushioning applications |
| Custom Gasket Manufacturing | Die-cut, molded, extruded, and waterjet-cut EPDM | Industrial OEMs needing multiple production processes |
The companies were reviewed using criteria that matter to industrial buyers:
Direct evidence that the company manufactures, converts, or supplies EPDM gaskets or sealing products
Availability of custom sizes, shapes, compounds, or production processes
Published information about applications, material performance, or engineering support
Ability to serve recognizable industrial or regulated-market requirements
Quality-control, testing, certification, or documentation capabilities
Suitability for prototype, replacement, OEM, or repeat production needs
Buyers should still audit any shortlisted supplier and verify all claims against the exact compound and part being quoted.
LIXU RUBBER is the brand of Cixi Lixu Rubber Products Co., Ltd., a China-based manufacturer established in 2006. The company produces rubber O-rings, flat and non-flat gaskets, grommets, plugs, bushings, bellows, tubes, O-ring kits, and other custom molded rubber parts.
For EPDM projects, LIXU RUBBER offers EPDM seals and gaskets for applications involving weather, ozone, UV, water, and temperature cycling. Custom parts can be developed from drawings, samples, and application requirements.
Custom compression-molded rubber gaskets and non-standard parts
In-house rubber mixing, mold development, vulcanization, trimming, post-curing, and inspection capabilities
Automated vulcanization and optical inspection equipment
Experience with EPDM, NBR, silicone, FKM, HNBR, SBR, CR, and natural rubber
Standard and custom O-ring tooling for related sealing requirements
Support for buyers in North and South America, Europe, the Middle East, and Asia
Factory-direct pricing and suitability for repeat OEM production
LIXU RUBBER is particularly relevant to importers, distributors, equipment manufacturers, and procurement teams that want a responsive custom rubber factory in China. Buyers can review the company’s rubber molding capabilities and submit dimensions, drawings, target hardness, operating conditions, quantities, and documentation requirements through the contact page.
Best for: Custom molded EPDM gaskets, OEM rubber components, international sourcing, and projects that combine gaskets with O-rings or other molded rubber parts.
Confirm before ordering: Exact compound designation, cure system, temperature rating, tolerances, inspection method, applicable compliance documents, sample approval process, and production lead time.
Parker Hannifin offers a broad portfolio of engineered sealing technologies. Its TechSeal capabilities include extruded profiles, precision-cut seals, spliced and fabricated gaskets, and custom elastomer configurations.
Parker has published clean EPDM gasket solutions for food, beverage, and pharmaceutical processing, including low-extractable compounds developed for applications such as tank manways and viewports. Its engineering resources make Parker a strong option where the gasket is part of a more complex sealing system.
Best for: Engineered seals, clean-process applications, food and beverage equipment, pharmaceutical systems, and customers that need extensive application support.
Confirm before ordering: Compound-specific regulatory status, extraction requirements, packaging, operating media, cleaning cycles, profile geometry, and minimum order conditions.
Trelleborg Sealing Solutions provides standard and custom sealing solutions across multiple industries. Its EPDM portfolio includes FoodPro® materials for food-processing environments and WaterPro® materials developed for potable-water sealing applications.
Trelleborg is a strong candidate when a project requires application engineering, international regulatory coverage, or compound families designed around demanding water, cleaning, and sanitation conditions.
Best for: Food and beverage processing, drinking-water systems, valves, pumps, treatment equipment, and global OEM programs.
Confirm before ordering: Approval coverage by country, disinfectant or chloramine exposure, CIP/SIP conditions, pressure, temperature, and whether the required gasket geometry is standard or custom.
Freudenberg Sealing Technologies develops elastomer compounds and engineered gaskets for mobility and industrial applications. Its EPDM material range includes options designed for hot water, steam, acids, alkaline solutions, polar media, and process-industry cleaning conditions.
Freudenberg is especially relevant when long-term sealing reliability depends on material science, application testing, and close engineering collaboration. The company also offers elastomeric and stamped gasket solutions manufactured to application-specific requirements.
Best for: Process equipment, food and pharmaceutical systems, industrial machinery, mobility, and demanding global programs.
Confirm before ordering: Media compatibility, fat or oil exposure, cleaning chemistry, extractables, compound approvals, service temperature, and validation requirements.
KLINGER manufactures industrial gasket and sealing products for markets including water, chemical processing, energy, and infrastructure. Its KGS gasket range is available in elastomers including EPDM and can be supplied in multiple shapes and dimensions for different flange materials.
KLINGER is a practical choice for buyers focused on pipe flanges, water systems, industrial plants, and standardized gasket dimensions. The company’s international presence can also simplify support for multi-country projects.
Best for: Industrial flange sealing, waterworks, wastewater, chemical processing, utilities, and infrastructure.
Confirm before ordering: Flange standard, nominal diameter, pressure class, steel-core requirement, drinking-water or gas approvals, medium, and installation conditions.
Hennig Gasket & Seals manufactures custom EPDM gaskets from drawings and can reverse engineer a sample part. Its fabrication capabilities are useful for prototypes, maintenance replacements, custom shapes, and short-lead-time requirements.
Hennig supplies EPDM sheet and fabricated parts and explains the differences between sulfur-cured and peroxide-cured materials. That distinction can be important when temperature, chemical resistance, or performance requirements exceed those of general commercial-grade EPDM.
Best for: Replacement gaskets, prototypes, custom-cut components, maintenance teams, and buyers that need reverse engineering.
Confirm before ordering: Sheet grade, cure type, thickness, cutting tolerance, adhesive backing, edge quality, and quantity-based production method.
Gasket Engineering fabricates custom EPDM gaskets and seals using processes that include die cutting, dieless cutting, rotary cutting, laser cutting, slitting, and laminating.
Its converting focus makes it suitable for complex two-dimensional components, tight-tolerance parts, adhesive laminations, and projects that may combine sealing with insulation, cushioning, filtration, or thermal-management materials.
Best for: Electronics, energy, heavy equipment, medical, marine, automotive, and other OEM applications requiring precision converting.
Confirm before ordering: Material specification, thickness tolerance, adhesive system, liner, cleanliness, dimensional inspection plan, and packaging orientation.
Atlantic Gasket manufactures custom EPDM rubber gaskets in a wide range of sizes and shapes. It offers solid EPDM and closed-cell sponge options, including parts with acrylic pressure-sensitive adhesive backing.
The company is a useful supplier for environmental seals where weather resistance, UV resistance, conformability, and convenient assembly are important.
Best for: HVAC equipment, electrical enclosures, construction products, outdoor industrial equipment, and adhesive-backed gasket applications.
Confirm before ordering: Solid versus cellular EPDM, density, water absorption, compression-deflection, adhesive type, service surface, and outdoor-aging requirements.
Stockwell Elastomerics manufactures custom waterjet-cut, die-cut, and molded gaskets. Its material portfolio includes solid and sponge EPDM for applications that need environmental sealing, cushioning, gap filling, or vibration control.
Stockwell is especially relevant to product designers working with enclosures, displays, electronics, and assemblies where closure force and compressibility matter as much as fluid sealing.
Best for: Electronics, touch displays, outdoor enclosures, low-closure-force seals, cushioning pads, and custom soft gaskets.
Confirm before ordering: Compression-force target, thickness, density, compression set, UV exposure, adhesive construction, and allowable dimensional variation.
Custom Gasket Manufacturing produces precision die-cut, waterjet-cut, molded, and extruded EPDM gaskets and seals. Available options include commercial-grade, premium, peroxide-cured, white food-contact, and sponge EPDM materials.
Because it offers several manufacturing processes, the company can support buyers that need to compare a cut gasket with a molded or extruded alternative as volumes and design requirements change.
Best for: Industrial OEMs, high-volume programs, die-cut and molded components, custom extrusions, and projects requiring process flexibility.
Confirm before ordering: Grade and hardness, RMA tolerance level, tooling cost, prototype method, production process, food-contact documentation, and annual volume.
The supplier shortlist is only the beginning. Send each candidate the same technical information so that quotations can be compared on an equal basis.
Tell the supplier whether the gasket will contact water, steam, air, glycol, acid, alkali, detergent, refrigerant, food product, or another substance. Include concentration and exposure time where relevant.
EPDM generally performs well with water, steam, ozone, weather, and many polar chemicals. It is usually a poor choice for petroleum oils, fuels, and many hydrocarbon solvents. If oil or fuel contact is expected, ask whether NBR, FKM, or another material is more suitable.
Do not request a generic “high-temperature EPDM gasket.” Provide the normal operating temperature, lowest start-up temperature, highest continuous temperature, peak temperature, and duration of any thermal spike.
Temperature capability varies by compound, cure system, geometry, medium, and test method. A generic EPDM temperature range should never replace a compound-specific technical data sheet.
Include internal pressure, vacuum, bolt load, flange type, surface finish, expected movement, vibration, and the number of assembly cycles. For enclosure gaskets, also define the available closure force and target ingress-protection level.
A useful gasket drawing should include:
Inner and outer dimensions
Thickness and cross-section
Hole positions and diameters
Critical and reference tolerances
Material and hardness
Surface finish or texture requirements
Adhesive and release-liner requirements
Part marking, packaging, and inspection notes
Drawing revision and annual volume
If no drawing exists, send a physical sample and clearly identify which dimensions are critical.
Die cutting or digital cutting is often economical for flat gaskets made from sheet material. It is suitable for prototypes, replacement parts, and many production volumes.
Compression, transfer, or injection molding is better for three-dimensional features, grooves, lips, beads, variable thicknesses, and high-repeatability production.
Extrusion and splicing are common for long profiles, door seals, enclosure frames, and large rings.
The lowest tooling price does not always produce the lowest total part cost. Ask the supplier to explain why a particular manufacturing process is recommended.
Terms such as “FDA grade,” “NSF,” “WRAS,” “UL,” or “REACH compliant” should not be accepted without context. Ask for the exact compound number, applicable regulation or approval, test report, issuing organization, expiration date if relevant, and confirmation that the offered part uses that compound.
For repeat OEM orders, request information about:
Incoming material verification
Batch and lot traceability
First article inspection
Dimensional measurement methods
Hardness, tensile, aging, or compression-set testing
Visual defect standards
Certificate of analysis or conformance
Nonconformance and corrective-action procedures
Tool maintenance and revision control
Material or process change notification
Use the following checklist when contacting a manufacturer:
| RFQ item | Information to provide |
|---|---|
| Application | Equipment, assembly, and sealing function |
| Medium | Fluid, gas, chemical, concentration, and exposure duration |
| Temperature | Minimum, normal, continuous maximum, and short-term peak |
| Pressure | Operating pressure, vacuum, bolt load, or closure force |
| Geometry | 2D/3D drawing, CAD file, or physical sample |
| Material | EPDM grade, cure system, color, solid/sponge, and hardness |
| Compliance | FDA, NSF, WRAS, EN, UL, RoHS, REACH, or other requirements |
| Quantity | Prototype quantity, first order, annual demand, and order frequency |
| Quality | Tolerances, inspection level, test reports, and traceability |
| Delivery | Destination, packaging, target date, and Incoterms |
LIXU RUBBER combines rubber-material experience with custom molding, automated production, and optical inspection. This makes the company a useful sourcing partner for buyers that need custom EPDM gaskets together with O-rings, washers, grommets, bushings, or other molded rubber components.
The company can review drawings or samples and recommend a manufacturing route based on size, geometry, material, quantity, and target cost. Its rubber gasket product range includes EPDM and alternative elastomers, allowing buyers to compare material options when EPDM is not appropriate for the operating medium.
To receive a more accurate quotation, send LIXU RUBBER the following:
2D drawing or 3D model
Required dimensions and tolerances
EPDM hardness or performance targets
Operating medium, temperature, and pressure
Required certifications or test documents
Sample quantity and estimated annual demand
Delivery country and target date
Contact LIXU RUBBER for an EPDM gasket quote or email sales@lixuoring.com.
An EPDM gasket is a sealing component made from ethylene propylene diene monomer rubber. It is widely used for outdoor, water, steam, HVAC, construction, automotive, and industrial applications because of its resistance to weather, ozone, UV exposure, and many polar fluids.
Provide a drawing or sample, dimensions, tolerances, hardness, operating medium, minimum and maximum temperatures, pressure or closure force, compliance requirements, order quantity, annual demand, and delivery destination.
Standard EPDM is generally not recommended for petroleum oils, gasoline, diesel fuel, and many hydrocarbon solvents because these media may cause swelling or loss of properties. NBR or FKM may be more appropriate, depending on the temperature and chemical environment.
Die-cut gaskets are cut from EPDM sheet and are usually best for flat two-dimensional shapes. Molded gaskets are formed in a tool and can include beads, lips, grooves, varying thicknesses, and other three-dimensional features.
No. Sponge EPDM contains a cellular structure that reduces closure force and helps conform to uneven surfaces. Solid EPDM is denser and is generally selected when stronger mechanical properties or more demanding fluid sealing is required. Density, cell structure, water absorption, and compression-deflection should be specified for sponge products.
Yes, but only when the exact compound and finished part meet the regulations or approvals required for the target market and application. Buyers should request compound-specific documentation rather than relying on a generic material claim.
Make sure every supplier quotes the same drawing revision, compound requirements, cure system, hardness, tolerances, inspection plan, documentation, packaging, quantity, Incoterms, and delivery schedule. A lower unit price is not comparable if material, testing, tooling, or freight is excluded.
The best EPDM gasket manufacturer is the supplier that can prove the offered compound is compatible with your application, manufacture the required geometry consistently, document quality, and deliver at an acceptable total cost.
Parker, Trelleborg, Freudenberg, and KLINGER are strong candidates for highly engineered or regulated sealing systems. Hennig, Gasket Engineering, Atlantic Gasket, Stockwell Elastomerics, and Custom Gasket Manufacturing offer valuable specialist fabrication capabilities. For buyers seeking custom molded EPDM gaskets and factory-direct sourcing from China, LIXU RUBBER deserves a place on the RFQ shortlist.
Need a custom EPDM gasket? Send your drawing, application conditions, quantity, and compliance requirements to LIXU RUBBER for a material review and quotation.
