EKI 520 Expanding foam tape black

  • Raw Material: PU expanding foam
  • Color: black, dark grey
  • Density: 75 kg/m³
  • Self adhesive: 1 side
  • Suitable for: Fills and seals existing joints.
View all specifications
Black expanding foam tape with a long lifespan and good flame-retardant properties, including outdoors. Used for: fills and seals existing joints.

Product attributes

General Description
Raw material PU expanding  
Material type foam  
Unique feature standard  
Color black, dark grey  
General usage after unrolling, slowly expands  
Cell structure semi-closed  
Density 75 kg/m³
Range: 70 kg/m³ to 80 kg/m³
Standard: DIN EN ISO 845
Possibilities Material
Self adhesive 1 side  
Minimum thickness 10 mm  
Maximum thickness 60 mm  
Max width of rolls 1000 mm  
Technical Properties Material
FMVSS302 compliant  
DIN 4102 part 1 B1  
DIN 18542 BG1  
Temperature -30 °C to +80 °C intermittent +85 °C  
Linear shrinkage 22h, 70 °C < 5%  
Application temperature from +5 °C to +25 °C  
Behaviour at 70 °C no discolouration / fading or impregnating agent  
Adhesive strength after 1 hour > 12N/25mm  
Thermal conductivity 0,06 W/mK  
Driving rain proof as per % compression 50%  
300 Pascal, % compression 67%  
600 Pascal, % compression 80%  
Air permeability alfa < 1.0 m³/(h m (daPa)2/3)  
Impregnation type synthetic coating and alu oxide  
UV resistance DIN 53387 compliant  
Compression deflection 40% 3,5 kPa (DIN EN ISO 3386)
Elasticity resilient  
Maximum % of compression 80%  
Air permeability alfa < 1.0 m³/(h m (daPa)2/3)  
Applications, Standards
UV resistance good  
Ozone resistance good  
Unplasticized PVC DIN 52453 no deterioration or staining  
Lime sandstone DIN 52453 no deterioration or staining  
Concrete DIN 52453 no deterioration or staining  
Painted wood DIN 52453 no deterioration or staining  
REACH compliant  
RoHS compliant  
Recyclable compliant  
CFC and HCFC free compliant  
Smell odorless  
Shelf life 1 year(s)  
HS code 39211310  


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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