• Resistant to temperature extremes, UV and ozone
  • Extremely resilient to mechanical fatigue
  • Excellent compression-set and creep resistance
  • Compliance with the most stringent UL flame ratings
  • Manufactured in an AS-9100 ISO-9001:2000 certified facility

The four product categories available in the BISCO product line include:

Cellular Silicone Foams
  • UL94 V-0 and HF1 certification rated for flame resistance 
  • Wide compression force range 
  • Low compression set under high temperatures
  • Temperature range from -55°C to + 200°C (-65°F to +400°F)
Specialty Cellular Foams
  • Cellular foams cast onto high performance substrates
  • Capable of heat reflection and direct contact with heat source
Sponge Silicones
  • Meet BMS 1-23 and BMS 1-60 specifications
  • General purpose, durable materials for tough environments
Solid Silicones
  • Grades suitable for acoustic barriers
  • Available durometer range of 10 to 70
  • Electrically conductive


BF-2000 Ultra Soft Silicone Foam

Cellular Silicone Foam
  • Typical density of 10 PCF
  • CFD of 2.5 PSI maximum
  • Ideal for transportation applications and areas where low closure force and dust sealing are critical

BF-1000 Very Soft Silicone Foam

Cellular Silicone Foam
  • High compressibility, softness and durability
  • Typical Density of 12 PCF
  • CFD range 1-5 PSI

EC2265 Electrically Conductive

Solid Silicone
  • Solid, carbon filled
  • Durometer of Shore A 65 ± 5
  • Electrical Conductivity at 5 ohm-cm

RS-800 Series Flame Resistant

Sponge Silicone
  • Available thickness: .125" - .250"
  • Rated for constant use up to 205°C (401°F)
  • Rated for low temperature embrittlement point of -55°C (-67°F)

HT-870 Soft Silicone Foam

Cellular Silicone Foam
  • Firmer, denser version of BF-1000 Extra-Soft Silicone Foam
  • Typical density of 15 PCF
  • CFD range 2-7 PSI

HT-800 Medium Silicone Foam

Cellular Silicone Foam
  • Versatile, medium firmness cellular silicone foam with the enhanced sealing capabilities of sponge rubber
  • Typical density of 22 PCF
  • CFD range 6-14 PSI

HT-820 Firm Silicone Foam

Cellular Silicone Foam
  • Firm grade cellular silicone foam with the enhanced sealing capabilities of sponge rubber
  • Offers higher tear and tensile strength than lighter grade BISCO® foams
  • Typical density of 24 PCF
  • CFD range of 12-20 PSI

HT-840 Extra-Firm Silicone Foam

Cellular Silicone Foam
  • Very firm grade cellular silicone foam with the enhanced sealing capabilities of sponge rubber
  • Offers higher tear and tensile strength than lighter grade BISCO® foams
  • Typical density of 28 PCF
  • CFD range of 16-26 PSI

MF1® Bun Silicone

Cellular Silicone Foam
  • Lightweight cellular silicone foams cast into block form up to 8" thick
  • Designed for a wide range of cushioning applications
  • Features exceptional FST (flame, smoke, toxicity) resistance, superior weather and UV resistance, and low compression set

MS Medical & Life Science Series

Cellular Silicone Foam, Solid Silicone
  • Foam and Bun foams in a range of firmness
  • Solids in durometers of Shore A 40-70
  • Specifically engineered to meet the demands of medical life science applications

IF-200 Tear Resistant Foam

Specialty Cellular Foam
  • Abrasion resistant foam that can withstand harsher environments with minimal risk of tearing
  • Includes a fiberglass support layer that is directly bonded to BISCO® BF-1000 foam
  • Available thickness: .197" (5mm)

RF-120 Silicone Heat Shield

Specialty Cellular Foam
  • Specialty reflective silicone consisting of a smooth aluminized fabric and BISCO® BF-1000 foam
  • Both insulates against and reflects heat
  • Available thicknesses: .098" - .197" (2.5 - 5 mm) 

FPC Silicone Fire Barrier

Specialty Cellular Silicone
  • Resists burn through of flames as high as 1900°F
  • Available thickness: .063”-.250”

L3-XX40 Dynamic Flooring Material

Specialty Cellular Silicone
  • Engineered to meet global standards for flammability, smoke and toxicity
  • Typical density of 352kg/m3
  • Available thickness: 4-25mm

MSK-2 Kevlar Foam

Specialty Cellular Silicone
  • Silicone reinforced with Kevlar
  • For use in demanding aerospace applications

Flame Resistant Sponge Silicone

Sponge Silicone
  • Available in three grades: soft, medium and firm
  • Flame resistant with temperature resistance range of -103°F to 450°F

A2 Sound Barrier Silicone

Solid Silicone
  • Typical density of 1.2-8.2kg/m2
  • Durometer of 62 Shore A
  • Meets the most demanding requirements for flammability, smoke density and toxicity

HT-1200 Series Silicone Rubbers

Solid Silicone
  • Firmer silicone rubbers designed for high temperature/high pressure gasketing applications
  • Resistant to high temperatures, tear, and most fluids
  • Available thickness: .031”-.125”

HT-200 Silicone Sound Barrier

Solid Silicone
  • Designed to reduce sound transmission while preventing the spread of fire and smoke
  • Available with or without adhesives and supported backings
  • Available thickness: .025”-.150”

HT-1500 Silicone Press Pad

Solid Silicone
  • Remains stable at temperatures 350°F+ and pressures 350psi+
  • AMS3320 specification
  • Available thickness: .031”-.125”

HT-6000 Series Silicones

Solid Silicone
  • Offer low compression set (<5%), high tear strength, resistance to fluids and extremely tight thickness tolerances
  • Available in soft to firm grades
  • Available thickness: .031”-.125”

EC-2130 Silicone EMI Shield

Solid Silicone
  • Reduce EMI and RFI at frequencies above 10 Ghz
  • Durometer of Shore OO 80 ± 1
  • Shielding effectiveness of +100 db
  • Available thickness: .063”-.125”


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