EKI 1109 NR sponge grey

  • Raw Material: NR sponge rubber
  • Color: grey
  • Density: 700 kg/m³
  • Self adhesive: not possible
  • Suitable for: Highly elastic seals.
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Grey NR sponge with a hardness of 35 Shore A, good mechanical properties and a closed cell structure. Used for: highly elastic seals.

Product attributes

General Description
Raw material NR  
Material type sponge rubber  
Color grey  
Cell structure closed  
Hardness (Shore 00) 75 Shore 00
Range: 65 Shore 00 to 85 Shore 00
Hardness (Shore A) 35 Shore A
Range: 30 Shore A to 40 Shore A
Density 700 kg/m³
Range: 600 kg/m³ to 800 kg/m³
Standard: DIN EN ISO 845
Possibilities Material
Self adhesive not possible  
Most sold thicknesses 9 mm  
Non standard thicknesses on request for larger numbers  
Dimension sheet 1000 x 1000 mm  
Surface 1: finishing tissue imprint  
Surface 2: finishing tissue imprint  
Technical Properties Material
FMVSS302 compliant  
Temperature -30 °C to +60 °C intermittent +70 °C  
Compression deflection 25% 300 kPa (ASTM D1056)
Range: 250 - 400 kPa
Compression set: 50%, 24h, 23 °C 8% (ASTM D 1056-07)
Limit: < 25%
Compression set: 50%, 24h, 40 °C 14% (NF R 99211-80)
Limit: < 60%
Compression set: 25%, 22 h, 23 °C: na 0,5h < 25% ()  
A lot of small compressions very good  
Elongation 250% (DIN EN ISO 1798)
Limit: > 200%
Maximum % of compression 50%  
Applications, Standards
UV resistance bad  
Ozone resistance bad  
Application with oil bad  
REACH compliant  
RoHS compliant  
Recyclable compliant  
CFC and HCFC free compliant  
Shelf life 1 year(s)  


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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