HT800 Silicone Sponge


  • BS6853 Cat 1A approved
  • LUL approved
  • EN45545-2 approved
  • Low compression set
  • High/low temperature resistance
  • UL94 V-0 and HF-1
  • IP65, IP66 and IP68 approved in application
  • FDA approved (grey only) 21 CFR 177.2600

Download HT800 Data Sheet

HT800 Silicone Sponge can be processed to produce:

  • Strip/Tape
  • Gaskets
  • Washers

HT800 Silicone Sponge

CB Frost are a UK preferred convertor of the BISCO range of silicone-based foams and have a relationship with Rogers Corporation extending over 30 years.

HT800 is a versatile, medium firmness silicone that offers the lightness of a foam with the enhanced sealing capabilities of traditional sponges. HT800 is commonly used to reduce shock and vibration, and provide protection (dust, moisture/water ingress) on a wide range of indoor and outdoor applications.

CB Frost keep vast amounts of HT800 silicone sponge in stock. Rolls are usually 5mtrs long x 915mm wide and are available in grey or black. The thickness range is 0.8mm, 1.6mm, 2.4mm, 3.2mm, 4.8mm, 6.4mm, 9.5mm and 12.7mm. For more information on the conversion of HT800 into die-cut shapes, tapes/strip etc, please visit the capabilities section of our website.

HT800 Silicone Sponge – Tested to EN45545-2 (Quick Guide)

Smoke, Flame and Toxicity – EN45545-2 HT800 Silicone Sponge
R1 – lnteriors Primary HL1 (0.79mm)
R2 – lnteriors Limited Use HL2 (0.79mm) & HL3 (2.7mm)
R3 – External Features HL2 (0.79mm) & HL3 (2.7mm)
R7 – External Features HL1 (0.79mm)
R8 – External Roof Features HL3 (12.7mm)
R9 – Bogies Rubber Elements HL3 (2mm – 1.2.7mm)
R10 – Flooring Components HL3 (2mm – 12.7mm)
R22 – lnterior Seals HL3 (0.79mm – 12.7mm)
R23 – Exterior Seals HL3 (0.79mm – 12.7mm)

HT800 silicone sponge – (BS6853)

HT800 has been tested and approved for use against specification BS6853; Table 7 & 8 – Cat 1A. For more detailed information please speak with one of our sales team.

HT800 silicone sponge – FDA (Food & Drug Administration)

HT800 silicone sponge is complaints in accordance with FDA regulation 21 CFR 177.2600

Typical applications

  • Anti-rattle seals
  • Gap fillers
  • Enclosure seals
  • HVAC
  • Access panel seals

For more information please download the attached datasheet or contact one of our sales team.