EKI 421 very soft EPDM foam

  • Raw Material: EPDM foam rubber
  • Color: black
  • Density: 60 kg/m³
  • Self adhesive: 1 side, 2 sides, without
  • Suitable for: Vacuum pads in all shapes and sizes.
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Very soft black EPDM foam with good mechanical properties for vacuum applications, e.g. vacuum pads. Used for: vacuum pads in all shapes and sizes.

Product attributes

General Description
Raw material EPDM  
Material type foam rubber  
Unique feature very soft, vacuum applications  
Color black  
Cell structure semi-closed  
Density 60 kg/m³
Range: 50 kg/m³ to 70 kg/m³
Standard: DIN EN ISO 845
Possibilities Material
Self adhesive 1 side, 2 sides, without  
Most sold thicknesses 10, 15, 20, 25, 30 mm  
Minimum thickness 5 mm  
Maximum thickness 40 mm  
Non standard thicknesses easily created by splitting blocks  
Max width of rolls 1000 mm  
Dimension sheet 1000 x 2000 mm  
Technical Properties Material
FMVSS302 compliant  
Temperature -40 °C to +100 °C intermittent +120 °C  
Linear shrinkage 22h, 70 °C < 5%  
Thermal conductivity 0,06 W/mK  
Ozone resistance 20%, 40 °C, 200pphm > 336 uur (ISO 1431)  
Compression deflection 25% 2 kPa (ASTM D1056)
Range: 0 - 3 kPa
Compression deflection 50% 3 kPa (NF R 99211-80)
Range: 1 - 6 kPa
Compression set: 50%, 24h, 23 °C 8% (ASTM D 1056-07)
Limit: < 25%
Compression set: 50%, 24h, 40 °C 18% (NF R 99211-80)
Limit: < 35%
Compression set: 50%, 24h, 70 °C 36% (DIN EN ISO 1856)
Limit: <50%
A lot of small compressions good  
Tensile strength daN/cm 0,42 daN/cm (NFR 99-221)
Limit: > 0,3 daN/cm
Elongation 165% (DIN EN ISO 1798)
Limit: > 150%
Tear resistance 0,7 kN/m (NFR 99211-80)
Limit: > 0,5 kN/m
Maximum % of compression 90%  
Applications, Standards
UV resistance very good  
Ozone resistance very good  
Application with oil bad  
Contact with copper and silver corrosive  
REACH compliant  
RoHS compliant  
Recyclable compliant  
CFC and HCFC free compliant  
Shelf life 2 year(s)  
HS code 40081100  


The published technical data is based on research data and serves as a guide for the various applications. Due to the great diversity of products and application possibilities, the buyer must test himself whether the intended material meets the requirements. All information is subject to typing errors, mistakes and market developments and no rights can be derived from this.

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