BISCO® Silicone

BISCO® Silicone

Whether your design calls for high performance sealing, cushioning or protection - the BISCO® Silicones broad portfolio of material options will provide the best design solution for your application.

BISCO® materials are resistant to temperature extremes, UV and ozone, and are extremely resilient to mechanical fatigue. BISCO Silicone materials exhibit excellent compression set and creep resistance, and carry the most stringent UL flame ratings available.

Gleicher is proud to be a Rogers Corp Preferred Converter and your source for product information and use in product design.

Ask us about adding Adhesive, Release Liners or Cut Parts

We can create just about any gasket or fastener solution. Add adhesive, have us cut to your dimensions, or purchase by the roll. Consider release liners for a faster assembly line.

Benefits of Bisco Silicones

BISCO® Specialty Silicone materials product line includes acoustic barriers, patented fire blocking material, electrically conductive silicone, and silicone coated fiberglass cloth. All of these materials can withstand extreme temperatures and meet stringent industry flame tests.

Image-1Bun Silicones

  • Lightweight cellular silicone cast into a bun up to 8 inches in thickness
  • Exceptional FST (flame, smoke, and toxicity) characteristics
  • Superior weather- and UV-resistance, and low compression set to ensure safety, long-term comfort and durability

image-2Cellular Silicones

  • Formulated for exceptionally reliable sealing, cushioning, vibration isolation, and insulation
  • Engineered with resistance to environmental extremes, plus mechanical resilience and safety features for critical applications in transportation equipment, communications and electrical enclosures, electronic products and components, industrial machinery and appliances
  • Superb flame resistance and fire protection

image-3Solid Silicones

  • Designed especially for high temperature/high pressure gasketing applications
  • Available in a range of thicknesses and durometers
  • Grades also available with fiberglass reinforcement for added dimensional stability and increased tear strength

image-2Specialty Silicones

  • Designed to meet a variety of industry-specific needs
  • Products include include acoustic barriers, patented fire blocking material, conductive silicone, silicone coated fiberglass cloth, and molded silicone foam tubes
  • All materials withstand extreme temperatures and meet stringent industry flame tests


BISCO®  Silicone

BISCO Technical Guide

Add adhesive, cut to your dimensions or purchase by the roll!


Density  Range


Thickness Range  


BF-2000   Ultra Soft
10 0.125"-0.5"
BF-1000  Extra Soft 12 0.063"-1"
HT-870  Soft
15 0.063"-0.5"
HT-800  Medium 22 0.031"-0.5"
HT-820  Firm 23 0.031"-0.25"
HT-840  Extra Firm 27 0.063"-0.25"
RS-720 General Purpose Soft Sponge   0.094"-0.5"
RS-750 General Purpose Medium Sponge   0.094"-0.5" 
RS-770 General Purpose Firm Sponge   0.094"-0.5"
MF-1® 35 and 55 Open-Cell Foam    0.25"-8.0"
MF-1® 75 Open-Cell Foam    0.25"-6.0" 
RF-120 (BF-1000 on Aluminum Fabric)    0.098"-0.197"
IF-200 (BF-1000 on Fiberglass)    0.197"
FPC Fire Blocking Material
EC-2130 Electricallly Conductive Solid Silicone
HT-1200 Series General Purpose Solid Silicone
HT-1500 Fiberglass Reinforced Solid Silicone
(70 Durometer) 0.031"-0.125"
HT-6210 Performance Solid Silicone
(10 Durometer)   0.010"-0.125"
HT-6220 Performance Solid Silicone (20 Durometer)   0.010"-0.125"
HT-6135 Performance Solid Silicone (35 Durometer)   0.010"-0.063"
HT-6240 Performance Solid Silicone
(40 Durometer)   0.010"-0.125"
HT-6360 Performance Solid Silicone
(65 Durometer)   0.020"-0.125"
HT-200 Sound Block
 - weight .25-1.50 lbs/sq ft

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Typical Applications

  • Gaskets
  • Heat
  • Shields
  • Fire
  • Stops
  • Seals
  • Cushions
  • Insulation

BISCO Silicone Foams Performance

  • Resistant to temperature extremes
  • Resistant to UV
  • Resistant to ozone
  • Extremely resilient to mechanical fatigue
  • Excellent compression-set and creep resistance
  • Meet the most stringent UL flame ratings

Rogers Quality Assurance

  • Manufactured in an AS-9100 ISO-9001:2000 certified facility.
  • Our highly automated coating and laminating has been continuously upgraded for precise process control, cleanliness and schedule flexibility.