EPDM Foam Rubber Strips

Premium EPDM Foam Rubber Strips for Long-Lasting Industrial Sealing Solutions

EPDM Foam Rubber Strips are among the most widely used sealing materials in the construction, automotive, HVAC, electrical, transportation, and industrial manufacturing sectors. Thanks to their outstanding resistance to weather, ozone, UV radiation, moisture, and temperature extremes, EPDM foam strips deliver long-lasting sealing performance in both indoor and outdoor environments.

At Jinjiang Yunli Technology Co., Ltd., we manufacture high-quality EPDM Foam Rubber Strips using advanced extrusion and foaming technology. Our products are designed to provide excellent compression recovery, thermal insulation, vibration damping, and waterproof sealing for demanding applications worldwide.

Whether you require standard flat foam strips, adhesive-backed foam tapes, closed-cell sponge strips, or custom-engineered profiles, we provide reliable OEM and ODM solutions tailored to your exact specifications.

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What Are EPDM Foam Rubber Strips?

EPDM Foam Rubber Strips are flexible sealing materials manufactured from Ethylene Propylene Diene Monomer (EPDM) rubber using a controlled foaming process. The resulting material contains millions of microscopic closed cells that provide excellent compressibility, resilience, and insulation properties.

Unlike solid rubber strips, foam rubber strips compress easily under pressure and recover quickly after release, making them ideal for sealing uneven surfaces while maintaining long-term performance.

EPDM foam strips are available in numerous configurations, including:

Flat foam strips

Adhesive-backed foam strips

Closed-cell foam strips

Open-cell foam strips

Extruded foam profiles

Sponge rubber strips

Self-adhesive sealing tapes

Custom die-cut foam components

Their excellent environmental resistance makes them one of the preferred sealing materials for exterior applications where durability and reliability are critical.

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Why Choose EPDM Foam Rubber?

EPDM has become the industry standard for outdoor sealing because it combines flexibility with exceptional environmental resistance.

Key advantages include:

Excellent weather resistance

Outstanding UV resistance

Superior ozone resistance

Excellent waterproof performance

Wide operating temperature range

Long service life

Low compression set

Excellent flexibility

Good thermal insulation

Effective sound insulation

Excellent vibration absorption

Environmentally friendly material

Low maintenance requirements

Compared with PVC foam, polyurethane foam, and natural rubber, EPDM foam maintains its elasticity even after years of exposure to sunlight, rain, snow, and changing temperatures.

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Key Features of EPDM Foam Rubber Strips

Outstanding Weather Resistance

EPDM Foam Rubber Strips are specifically designed for outdoor applications.

They can withstand:

Direct sunlight

Heavy rain

Snow

Ice

Wind

Humidity

Coastal environments

Desert climates

Unlike many conventional sealing materials, EPDM does not become brittle or crack after prolonged exposure.

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Excellent UV Resistance

Ultraviolet radiation is one of the main causes of seal deterioration.

EPDM's molecular structure provides exceptional resistance against UV degradation.

Benefits include:

Longer service life

Minimal cracking

Stable appearance

Consistent flexibility

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Superior Ozone Resistance

Industrial and urban environments often contain ozone, which accelerates aging in many rubber materials.

EPDM is naturally resistant to ozone attack, making it suitable for:

Outdoor electrical cabinets

Curtain walls

Solar energy systems

Automotive applications

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Excellent Compression Recovery

Compression recovery is essential for maintaining long-term sealing performance.

EPDM foam strips:

Compress easily

Recover rapidly

Maintain sealing pressure

Resist permanent deformation

This ensures reliable sealing over repeated opening and closing cycles.

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Waterproof Performance

Closed-cell EPDM foam prevents water penetration while maintaining flexibility.

Applications include:

Door seals

Window seals

Roof systems

Outdoor enclosures

Marine equipment

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Thermal Insulation

Millions of sealed air cells inside the foam provide excellent insulation.

Benefits include:

Reduced heat transfer

Improved energy efficiency

Lower HVAC operating costs

Better indoor comfort

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Sound Insulation

The foam structure absorbs sound vibrations effectively.

It helps reduce:

Wind noise

Machine vibration

Door impact sounds

HVAC operating noise

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Vibration Damping

EPDM foam absorbs shock and vibration.

This improves equipment reliability while reducing operating noise.

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Chemical Resistance

EPDM performs well against many common chemicals, including:

Water

Steam

Mild acids

Mild alkalis

Cleaning solutions

Brake fluids

However, EPDM is generally not recommended for prolonged exposure to petroleum oils, gasoline, diesel fuel, or hydrocarbon solvents. For oil-resistant applications, NBR or other specialized elastomers may be more appropriate.

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Physical Properties of EPDM Foam Rubber Strips

Property	Typical Value
Material	EPDM Foam Rubber
Cell Structure	Closed Cell (Standard)
Color	Black, Gray, White, Custom
Density	60–180 kg/m³
Hardness	10–30 Shore OO (Typical)
Tensile Strength	≥0.8 MPa
Elongation at Break	≥150%
Compression Set	≤25%
Water Absorption	Very Low
Operating Temperature	-40°C to +120°C
Thermal Conductivity	Low
UV Resistance	Excellent
Ozone Resistance	Excellent
Weather Resistance	Excellent
Aging Resistance	Excellent
Electrical Insulation	Good
Flame Retardant	Optional
Adhesive Backing	Optional
RoHS Compliance	Available
REACH Compliance	Available

The above values are typical reference values and may vary depending on density, formulation, and customer requirements.

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Available Sizes

We manufacture custom dimensions to meet different application requirements.

Width

5 mm

8 mm

10 mm

15 mm

20 mm

25 mm

30 mm

40 mm

50 mm

80 mm

100 mm

Custom

Thickness

2 mm

3 mm

5 mm

6 mm

8 mm

10 mm

12 mm

15 mm

20 mm

25 mm

Custom

Roll Length

5 m

10 m

20 m

30 m

50 m

100 m

Custom

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Types of EPDM Foam Rubber Strips

Flat EPDM Foam Strips

Ideal for:

General sealing

Waterproof joints

Door gaskets

Cabinet sealing

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Self-Adhesive EPDM Foam Strips

Equipped with high-performance pressure-sensitive adhesive for fast installation.

Suitable for:

DIY installation

Aluminum frames

Steel doors

Plastic enclosures

Glass systems

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Closed-Cell EPDM Foam Strips

Features:

Excellent waterproof performance

Air sealing

Low water absorption

Thermal insulation

Most outdoor sealing projects use closed-cell EPDM foam.

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Open-Cell EPDM Foam Strips

Ideal for applications requiring:

Air filtration

Cushioning

Controlled compression

Sound absorption

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Custom Extruded Foam Profiles

Available in numerous profile shapes:

D Profile

P Profile

E Profile

U Channel

Bulb Seal

Hollow Profile

Rectangle Strip

Square Strip

Customized cross-sections

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Applications of EPDM Foam Rubber Strips

EPDM Foam Rubber Strips are used across a broad range of industries due to their versatility and durability.

1. Doors and Windows

One of the most common applications is weather sealing for residential, commercial, and industrial doors and windows.

Functions include:

Air sealing

Waterproofing

Dust prevention

Noise reduction

Energy conservation

Proper sealing also helps reduce heating and cooling costs by minimizing air leakage.

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2. Curtain Wall Systems

Modern curtain walls require durable seals that accommodate thermal expansion while preventing water ingress.

EPDM foam strips provide:

Expansion joint sealing

Weatherproofing

Structural flexibility

Long-term UV resistance

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3. Automotive Industry

Automotive manufacturers use EPDM foam strips in:

Vehicle doors

Windows

Trunks

Hoods

HVAC ducts

Interior trim

Dashboard assemblies

Benefits include reduced wind noise, improved comfort, and enhanced sealing performance.

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4. HVAC Equipment

Heating, ventilation, and air conditioning systems rely on EPDM foam strips for:

Air leakage prevention

Thermal insulation

Equipment vibration isolation

Condensation control

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5. Electrical Cabinets and Enclosures

Outdoor electrical enclosures require dependable sealing to protect sensitive components.

EPDM foam strips help prevent:

Water ingress

Dust contamination

Corrosion

Equipment failure

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6. Industrial Machinery

Industrial equipment uses EPDM foam strips to seal:

Access panels

Machine doors

Protective covers

Inspection hatches

Equipment cabinets

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7. Marine Industry

Marine environments expose sealing materials to:

Saltwater

UV radiation

High humidity

Temperature changes

EPDM performs exceptionally well under these demanding conditions.

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8. Solar Energy Systems

Solar panel installations require reliable outdoor sealing materials.

Typical applications include:

Mounting systems

Junction boxes

Cable management

Waterproof gaskets

The outstanding UV resistance of EPDM contributes to the long service life expected in photovoltaic systems.

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9. Railway Transportation

Railway vehicles benefit from EPDM foam strips because they provide:

Weather sealing

Passenger comfort

Noise reduction

Vibration damping

Long maintenance intervals

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10. Household Appliances

Many appliances use EPDM foam strips for sealing and cushioning.

Examples include:

Refrigerators

Freezers

Washing machines

Air conditioners

Water heaters

Electrical control boxes

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Manufacturing Process

Our EPDM Foam Rubber Strips are manufactured under strict quality control using advanced production technology.

Production steps include:

Raw material inspection

Formula development

Internal mixing

Extrusion

Foaming process

Continuous vulcanization

Cooling

Dimension inspection

Adhesive lamination (optional)

Cutting

Roll packaging

Final quality inspection

Every production batch is carefully monitored to ensure consistency in density, dimensions, and sealing performance.

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Quality Control

We implement comprehensive quality assurance procedures throughout manufacturing.

Inspection items include:

Raw material verification

Density testing

Hardness testing

Compression testing

Tensile strength testing

Elongation testing

Dimension measurement

Surface inspection

UV aging testing

Ozone resistance testing

Packaging inspection

These inspections ensure every EPDM Foam Rubber Strip meets customer specifications and international quality standards.

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Custom Manufacturing Services

As an experienced OEM manufacturer, we provide flexible customization services.

Options include:

Custom widths

Custom thicknesses

Custom densities

Custom hardness

Adhesive-backed versions

Flame-retardant grades

Anti-static formulations

Special colors

Die-cut parts

Custom packaging

Logo printing

Private labeling

Whether you need prototype quantities or high-volume production, our engineering and manufacturing teams can support your project from concept to delivery.

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Packaging Options

We offer export-ready packaging solutions, including:

Individual rolls

PE bag packaging

Carton packaging

Palletized shipments

Customized retail packaging

OEM private label packaging

Packaging can be tailored to your branding and logistics requirements.

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Why Choose Jinjiang Yunli Technology?

Customers around the world choose Jinjiang Yunli Technology because we offer:

More than 20 years of rubber extrusion manufacturing experience

Advanced EPDM foaming production lines

Professional engineering support

Stable and consistent product quality

Competitive factory-direct pricing

Fast production lead times

OEM & ODM manufacturing capabilities

Flexible minimum order quantities

International export experience

Strict quality management system

Responsive technical and customer service

Our commitment to quality and innovation allows us to supply dependable sealing solutions for customers in construction, automotive, industrial manufacturing, renewable energy, and many other sectors.

 

 

Frequently Asked Questions (FAQ)

1. What are EPDM Foam Rubber Strips used for?

EPDM Foam Rubber Strips are widely used for sealing, insulation, cushioning, waterproofing, dustproofing, vibration damping, and noise reduction in doors, windows, HVAC systems, electrical cabinets, vehicles, industrial machinery, marine equipment, and construction projects.

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2. Are EPDM Foam Rubber Strips suitable for outdoor use?

Yes. EPDM is one of the best rubber materials for outdoor applications because it provides outstanding resistance to UV radiation, ozone, rain, snow, humidity, and temperature fluctuations. It maintains flexibility and sealing performance for many years in harsh environments.

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3. Can you manufacture custom sizes and profiles?

Absolutely. We offer fully customized production based on customer drawings or samples, including different widths, thicknesses, densities, hardness levels, profile shapes, colors, and adhesive-backed options.

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4. Are adhesive-backed EPDM Foam Rubber Strips available?

Yes. We can supply EPDM Foam Rubber Strips with high-performance acrylic or other industrial-grade pressure-sensitive adhesives, making installation fast and convenient on metal, glass, plastic, wood, and painted surfaces.

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5. Do your EPDM Foam Rubber Strips comply with international standards?

Yes. Depending on project requirements, our products can be manufactured to comply with RoHS, REACH, and other applicable international environmental and material regulations. We can also provide material test reports and customized certification support upon request.

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Contact Us

If you are looking for a trusted EPDM Foam Rubber Strips manufacturer, Jinjiang Yunli Technology Co., Ltd. is your reliable partner for high-quality sealing solutions.

We provide factory-direct pricing, advanced manufacturing capabilities, strict quality control, and comprehensive OEM/ODM services. Whether you need standard foam strips or fully customized sealing profiles, our experienced team is ready to help you develop the right solution for your application.

Contact us today to request a quotation, technical consultation, or free sample, and discover how our EPDM Foam Rubber Strips can improve the durability, efficiency, and long-term performance of your products and projects.