Silicone Foam

Rogers BISCO® Silicone Foam for Gaskets and Sealing

Rogers BISCO® silicone foam is a high-performance material used in gaskets, sealing, and insulation. Designed to offer superior compression-set resistance, shock absorption, and thermal stability, silicone foam is ideal for a wide range of gasket and sealing applications that require both flexibility and durability, even under harsh environmental conditions.

This adaptable material extends the lifespan of equipment and reduces maintenance needs, making it an essential component in many industrial and commercial applications.

Features & Benefits:

  • Exceptional Compression-Set Resistance: This allows silicone foam to retain its sealing properties over time, even after prolonged compression.
  • Shock and Vibration Absorption: To protect sensitive equipment and prevent damage caused by mechanical forces.
  • Excellent Thermal Resilience: A broad temperature range, ideal for high-temperature applications.
  • UV and Ozone Resistance: This ensures longevity and reliability in outdoor and harsh environmental conditions.
  • Strict Compliance With UL Flame Ratings: UL94 V-0 and HF1, making it suitable for flame-sensitive applications.
  • Available in Various Forms: These include cellular, sponge, and solid foams, allowing for customization in gaskets, sealing, insulation, and cushioning.

Silicone foam provides a combination of mechanical protection, thermal resistance, and environmental stability, making it a versatile material for a wide variety of sealing and insulating applications.

Potential Applications & Industries

Silicone foam is commonly used for gasketing, sealing, insulation, and cushioning in applications that require protection from environmental stressors, mechanical forces, and temperature fluctuations. It’s ideal for sealing electrical enclosures, providing thermal insulation in high-heat environments, and cushioning delicate components from shock and vibration. Silicone foam’s flexibility allows it to conform to irregular surfaces, providing a reliable, leak-proof seal in both static and dynamic conditions.

This material is widely used across multiple industries, including industrial, aerospace, military,  fluid power, and more. Its ability to withstand extreme temperatures, resist environmental exposure, and absorb mechanical stress makes it an essential material in high-performance environments.

Design Specifics & How The Product Works

Silicone foam’s cellular structure allows it to compress and conform to various surfaces, creating an effective seal that lasts. It provides excellent shock absorption, protecting sensitive components from mechanical vibrations and impacts. Its exceptional thermal stability ensures that it remains functional across a wide range of temperatures, from extreme cold to heat, making it ideal for high-performance and temperature-sensitive applications.

What Makes Silicone Foam So Effective? The ability to maintain its integrity under harsh conditions. Its resilience to compression and mechanical fatigue, combined with its ability to resist thermal expansion and contraction, helps extend the life of equipment, reduce maintenance costs, and improve overall system reliability.

Product Categories Include:

BISCO® Silicone – Cellular

  • Ultra Soft BISCO® BF-2000 Cellular Silicone: Ultra-soft, flame-retardant foam designed for low closure force applications requiring excellent vibration isolation and resistance to environmental factors. BISCO BF-2000 Ultra Soft Cellular Silicone Data Sheet
  • Extra Soft BISCO® BF-1000 Cellular Silicone: A highly flame-resistant, extra soft foam designed for sealing and cushioning in demanding environments, providing superior vibration isolation and environmental protection with excellent memory and low stress relaxation. BISCO BF-1000 Extra Soft Silicone Data Sheet
  • Soft BISCO® HT-870 Cellular Silicone: A denser and firmer silicone foam compared to BF-1000, designed for robust sealing and cushioning in diverse applications, featuring excellent memory and low stress relaxation to minimize maintenance costs, and available with pressure-sensitive adhesive for easy installation. BISCO HT-870 Medium Soft Cellular Silicone Data Sheet
  • Medium BISCO® HT-800 Cellular Silicone: A versatile, medium-firm silicone foam that sets the standard for sealing and protecting outdoor enclosures in communications, electronics, and lighting, featuring a compact cell structure for superior environmental sealing, excellent memory, and low stress relaxation, ensuring consistent performance and reduced maintenance costs. BISCO® HT-800 Medium Silicone Foam
  • Firm BISCO® HT-820 Cellular Silicone: Firm-grade silicone foam designed for enclosures needing durable, high closure force gaskets, providing enhanced durability and sealing in tough environments. Its compact cell structure delivers superior sealing against fine particles and environmental conditions. BISCO HT-820 Firm Cellular Silicone Data Sheet
  • Extra Firm BISCO® HT-840 Cellular Silicone: Very firm silicone foam designed for high closure force applications, providing superior durability and sealing performance at elevated temperatures. BISCO HT-840 Extra Firm Cellular Silicone Data Sheet

 

BISCO® Silicone – Cellular Bun

A family of lightweight, cellular silicone foams known for superior durability and fire resistance, ideal for a wide range of cushioning applications. MF1 offers exceptional flame, smoke, and toxicity resistance, ensuring safety and lasting comfort, while its customizable firmness allows for versatile use across various industries.


BISCO® Silicone – Solids

  • BISCO® HT-1200 Series General Purpose Solid Silicones: General purpose solid silicone rubber ideal for industrial applications, offering resistance to high temperatures, tears, and most fluids. Specifications including A-A-59588 and AMS 3302-3304 and available in multiple thicknesses, firmnesses and colors.
  • BISCO® HT-6135 Tight Tolerance Solid Silicone Data Sheet: Tight Tolerance Solid Silicone
  • BISCO® HT-6210 Extra Soft Solid Silicone Data Sheet: Extra soft solid silicone bridges the gap between foams and high durometer solids. Low Shore OO durometer, high tear strength, and extremely tight thickness tolerances achieve superior sealing where high performance is required. 
  • BISCO® HT-6220 Soft Solid Silicone Data Sheet: Soft solid silicone material bridges the gap between foams and high durometer solids. Low Shore A durometer, high tear strength, and extremely tight thickness tolerances achieve superior sealing where high performance is required. 
  • BISCO® HT-6240 Transparent Solid Silicone Data Sheet: Transparent solid silicon with unique high clarity solves aesthetic concerns within various industrial and handheld device markets. Beyond the transparency feature, the material shares similar properties to its softer counterparts, including high tear strength and extremely tight thickness tolerances. 
  • BISCO® HT-6360 Firesafe Solid Silicone Data Sheet: Fire-safe solid silicone helps solve safety and design issues in various industrial and transportation markets, such as fire barriers and smoke seals for rail car passenger compartments. 

 

BISCO® Silicone – Specialty

  • BISCO® MS-1600 Medical and Life Science Solid Silicones: Premium solid silicone intended for use in life science applications. The final product has been tested to meet USP Class 6 requirements, and FDA compliance. Material is produced with a low volatile, peroxide free, platinum-cured raw material, which provides a non-toxic and chemically inert cured product. 
  • BISCO® MS-80 & MS-96 Medical and Life Science Cellular Silicones: Open-cell silicone foams cast into a block form. These are platinum-cured materials specifically engineered to meet the demands of life science applications. Low density and softness paired with excellent acoustic absorption and vibration isolation properties make these materials ideal for cushioning, acoustic, and vibration applications.
  • BISCO® EC2265 Electrically Conductive Solid: Electrically conductive solid silicone that is carbon black filled that will act as a low amperage conductor and provides protection against electrostatic discharge.
  • BISCO® EC-2130 Electrically Conductive Solid Silicone: Soft electrically conductive silicone solid material used as an EMI/RFI absorber for critical electrical components. Creates an environmental seal due to the extra soft polymer combination with the highly conductive filler.
  • BISCO® FPC Fire Blocking Material: Flame retardant silicone foams designed to protect sensitive components that may be damaged during fires. The flexible foam materials have the unique ability to resist the burn-through of flames as high as 1038°C (1900°F) while reducing the spread of flames to other areas. 

BISCO® HT-200 Sound Block: Sound block silicone combines the best noise reduction capabilities with superior fire resistance. The material is designed to reduce sound transmission in interior spaces while preventing the spread of fire and smoke

 

Products Bought With Silicone Foam

  • Norseal® Foams
    Versatile sealing foams offering excellent compression set resistance and thermal stability. Ideal for sealing, insulation, and gasketing in demanding environments.
  • BISCO® Silicone Sponge
    Highly resilient silicone foam designed for thermal insulation, vibration dampening, and sealing in high-temperature applications.
  • PORON® Polyurethane Foam
    Durable, flexible polyurethane foams, ideal for cushioning, gasketing, and noise reduction in industrial and electronic applications.

Our Value Added Services

At Sealing Devices, we offer more than just silicone foam products. Our team of Application Engineers collaborates closely with you to assess your specific needs and deliver tailored solutions. From material selection to custom fabrication, we ensure that our silicone foam products are optimized for your unique applications. Whether you need assistance with designing your system or selecting the ideal foam grade, our knowledgeable engineers provide the support you need throughout the entire process.

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