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Item Code: RC02107

EPDM Sponge Rubber

Expanded EPDM Rubber 

Our EPDM (ethylene propylene diene monomer) expanded closed cell sponge is a versatile material resistant to ozone, UV and weathering. Its closed cell structure means it is impermeable to air and water providing a waterproof seal, also thermal durability and electrical resistance.

The Rubber Company supply and manufacture a wide range of parts from EPDM sponge rubber including EPDM strip and EPDM rubber gaskets. EPDM sponge rubber can be supplied in sheet from stock and cut to strip. Thickness’s range from 1mm up to 40mm however we can also laminate sheets together when required. We can supply plain backed or with self adhesive backing.


Our EPDM sponge rubber is used in an array of industries including:

  • Automotive
  • Construction
  • Electrical
  • Energy
  • Engineering
  • Marine


Key Features:

  • Closed cell structure for sealing
  • Very durable, good mechanical properties 
  • Outstanding resistance to ageing 
  • Good UV resistance and wide temperature resistance 


The Rubber Company supply various different grades of EPDM sponge rubber, as well as EPDM blends.

Click here for EPDM/Natural Sponge.    Click here for EPDM/Neoprene Sponge.

EPDM Sponge – TRC01

EPDM Sponge – TRC02

EPDM Sponge – TRC03

EPDM Sponge – TRC09

Technical Data

Density: 75 - 105kg/m³ Density: 120 - 160kg/m³ Density: 120 - 160kg/m³ Density: 70 - 110kg/m³
Temp: -40 to +85°C Temp: -30 to +80°C Temp: -30 to +80°C Temp: -40 to +120°C
Colour: Black Colour: White Colour: Black Colour: Black
Thickness: 1mm to 40mm (thicker - laminated) Thickness: 1mm to 40mm (thicker - laminated) Thickness: 1mm to 40mm (thicker - laminated) Thickness: 1mm to 40mm (thicker - laminated)
Shrinkage (22h/70°C) ASTM D573: 10-15% Shrinkage (22h/70°C) ASTM D573: 6-9% Shrinkage (22h/70°C) ASTM D573: 6-9% FR FMVSS302: Self Extinguishing
Elongation ASTM D412: 180-220% Elongation ASTM D412: 150-200% Elongation ASTM D412: 150-200% Minimum Elongation: > 200%
Tensile Strength ASTM D412: 200-300kPa Tensile Strength ASTM D412: 500-550kPa Tensile Strength ASTM D412: 530-600kPa

The Rubber Company

Unit 27 Romsey Industrial Estate

Greatbridge Road



SO51 0HR

United Kingdom

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Registered in England & Wales Company Number: 08350831 VAT Number: GB 156 8355 80