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Flame-retardant NITTO EPTSEALER™ EC-200 Series

Foam sealing material of EPDM rubber foam with a semi-closed cell structure.

EC-200 Series products are foam sealing material consisting of EPDM rubber foam with semi-closed cell structure. Various types with adhesive layers are available, all of which take advantage of their flexible foam properties. The products can be used for waterproofing, air sealing, soundproofing, or thermal insulation according to the compression ratio. UL-94HBF Flame Retardancy Standard certified.



  • With its superior flame retardancy, the series has obtained UL-94 HBF flame retardant certification.
  • Minimal stress facilitates compression; fits snugly to uneven surfaces thereby enabling airtight sealing and soundproofing.
  • Superior heat, weather, and ozone resistance enabling the foam to withstand long-term use with minimal blooming and almost no contamination of the substrate to which it is applied.



Thickness[mm] Width[mm] Length[m]
5~20 (Adhesive type is available up to 25mm) 1,000 2


Product No. Specific gravity Tensile strength 
Elongation[%] Compressive hardness[N/cm2]
25% 50%
EC-200 Series 0.085 6.0 280 0.17 0.33


  • *The above values are sample observed values, not the guaranteed performance.


  • Waterproofing, air sealing, soundproofing, and thermal insulation for electric/electronic equipment.

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