EPDM Sponge Sheet

Closed Cell EPDM Sponge

EPDM Sponge Sheet is a premium closed cell rubber material designed for sealing, insulation, and outdoor applications requiring weather and water resistance.

Built for Outdoor and Marine Conditions

Its closed cell structure provides reliable airtight and watertight sealing, with excellent resistance to UV, ozone, water, and temperature exposure.

Supplied by SEC Business Group

Available in sheets, strips, gaskets, and custom fabricated formats for marine, HVAC, industrial, and outdoor sealing applications.

Description

Weather, Water & High Temperature Resistant Closed Cell Sealing Sponge

EPDM Sponge Sheet is a premium-grade closed cell EPDM rubber sponge, designed for sealing, insulation, and outdoor applications where weather, water, and temperature resistance are critical.

With its airtight and watertight closed cell structure, EPDM sponge provides long-term sealing performance in harsh environments including UV exposure, marine conditions, and elevated temperatures.

Designed for Outdoor and Marine Sealing Applications

SEC Business Group supplies high-performance sponge rubber materials for applications requiring durability, environmental resistance, and reliable sealing performance.

EPDM Sponge Sheet is ideal for long-term use in exposed environments where water resistance, weathering resistance, and minimal compression loss are essential.

Features & Benefits

Premium closed cell EPDM sponge rubber.
Creates airtight and watertight seals.
Excellent resistance to UV, ozone, and weathering.
Suitable for long-term outdoor exposure.
Outstanding water resistance for fresh and saltwater environments.
Excellent resistance to acids and alkalis.
Performs in high-temperature environments.
Low compression set for long-term sealing performance.
Good mechanical strength and resilience.
Provides thermal and acoustic insulation.
Suitable for marine and industrial environments.
Available in sheets, strips, pads, and custom-cut components.
Supplied by SEC Business Group.

Applications

Gaskets and sealing systems
Compressible strip seals
Insulation barriers
Expansion joints
Marine sealing applications
Outdoor weatherproof sealing
HVAC sealing systems
Sound and vibration dampening
Equipment enclosures
General industrial sealing applications

Performance Advantages

Designed for harsh outdoor and marine environments.
Maintains performance under UV, water, and temperature exposure.
Excellent for long-term sealing with minimal compression loss.
Superior resistance to weathering compared to other sponge materials.

Technical Information

Property	Value	Standard
Polymer	EPDM
Colour	Black
Density	125 kg/m³	KSM ISO 7214:2006
Hardness	45° ± 5° Shore 00	KSM 6660:2006
Tensile Strength	400 kPa	JIS K6767:1998
Elongation @ Break	200%	JIS K6767:1998
Temperature Range	-30°C to +100°C
Tear Strength	2.9 kN/m	ASTM D624
Compression Set (24 hrs @ 72°C)	8% (max)	KSM ISO 1856:2002
Compression Deflection @ 25%	40 ± 10 kPa	ASTM D1056

Available Sizes

EPDM Sponge Sheet is available in standard sheet sizes:

Part Number	Description	Weight (Per Sheet)
SPE210203	3mm × 2000mm × 1000mm	0.75 kgs
SPE210206	6mm × 2000mm × 1000mm	1.5 kgs
SPE210210	10mm × 2000mm × 1000mm	2.5 kgs
SPE210212	12mm × 2000mm × 1000mm	3 kgs

Additional thicknesses from 3mm to 50mm are available on request.
Lead times may apply.

Custom Options

EPDM Sponge Sheet can be supplied as:

Precision-cut gaskets
Marine and outdoor sealing strips
Insulation pads
Expansion joint fillers
Custom fabricated sealing components

Supply

This product is supplied by SEC Business Group.

For outdoor sealing, marine applications, or custom fabrication, contact SEC Business Group.