BISCO Silicone Gaskets

Elevate production efficiency and durable performance with Rogers BISCO® Silicone solutions, where engineering meets ingenuity. This diverse lineup of silicone materials is designed to conquer your design challenges head-on. Eliminate gasket failure and embrace a reliable and durable material that performs and endures through challenging conditions.

What is BISCO Silicone?

  • This gasketing and sealing material is renowned for maintaining physical properties for years, offering greater durability than polyurethanes, EPDMs and EVAs.
  • Offered in a spectrum of softness and firmness to meet your needs. Ultra-soft silicone foam redefines enclosure sealing with maximum environmental protection. Extra-firm silicone boasts exceptional memory and minimal stress relaxation.
  • Available in four product categories: bun silicones, cellular silicones, solid silicones and specialty materials.

What can BISCO Silicone do for you?

Reduce maintenance expense of gasket failure due to compression and softening from long-term pressure.
Achieve reliable mechanical performance with exceptional fatigue resilience.
Improved product quality with exceptional sealing and protection for demanding end uses.
Streamlined design with seamless multi-functionality, including flame and heat protection or enhanced shock and vibration absorption properties.

BISCO Silicone Formulations

BISCO Silicone Foam







BISCO Silicone Foam


HT-800 Medium Silicone Foam

Rogers BISCO® HT-800 Medium Cellular Silicone offers the lightness of foam with the enhanced sealing capabilities of sponge rubber. BISCO HT-800 Medium Cellular Silicone is a versatile, medium firmness silicone. HT-800 silicone foam leads the market in sealing and protecting outdoor communication, electronics and lighting enclosures. HT-800 silicone foam’s superb memory and low stress relaxation reduces maintenance costs from gasket failures caused by compression set and softening. Its compact cell structure and unique formulation provide enhanced sealing against penetration from fine particles and wind-driven rain and fire. It also offers shock reduction and vibration isolation in electronic components and transportation vehicles.

Features

  • Compact cell structure and unique formulation
  • Available in thicknesses from 0.031 to 0.500 in.
  • Typical density of 22 PCF
  • CFD range of 6-14 PSI
  • Resistant to UV, ozone, extreme temperatures and flame

Benefits

  • FDA compliant
  • Offers consistent performance in all environments
  • Excellent memory and low stress relaxation
  • Reduces maintenance costs associated with gasket failures due to compression set and softening

HT-820 Firm Silicone Foam

Rogers BISCO® HT-820 Firm Cellular Silicone provides enhanced durability and sealing in a wide range of environmental conditions and applications. BISCO HT-820 Firm Cellular Silicone is a firm grade silicone foam that provides enhanced durability and sealing. HT-820 foam offers a higher tear and tensile strength than our lighter grade foams. This material is designed for use in enclosures requiring a more durable, high closure force gasket. HT-820 foam is ideal for sealing and protecting outdoor communication, lighting and electronic enclosures from small dust particles, wind-driven rain and fire.

Features

  • Compact cell structure offers enhanced sealing performance
  • Available in thicknesses from 0.031 to 0.250 in.
  • Typical density of 24 PCF
  • CFD range of 12-20 PSI
  • Resistant to UV, ozone, extreme temperatures and flame

Benefits

  • Excellent memory and low stress relaxation
  • Enhanced sealing performance
  • Offers consistent performance in all environments
  • Reduces maintenance costs associated with gasket failures due to compression set and softening

HT-840 Extra-Firm Silicone Foam

Rogers BISCO® HT-840 Extra Firm Cellular Silicone provides enhanced durability with the excellent sealing properties of sponge rubber. BISCO HT-840 Extra Firm Cellular Silicone is a very firm grade silicone foam that offers superior sealing capabilities. HT-840 silicone provides a higher tear and tensile strength than our lighter grade foams. HT-840 silicone is designed for use in enclosures requiring a more durable, high closure force gasket. This material is also ideal for use in press pads requiring greater conformability and even pressure distribution at high temperatures. HT-840 silicone is a great choice for sealing and protecting outdoor communication, lighting and electronic enclosures from small dust particles, wind-driven rain and fire.

Features

  • Compact cell structure
  • Available in thicknesses from 0.063 to 0.250 in.
  • Typical density of 28 PCF
  • CFD range of 16-26 PSI
  • Resistant to UV, ozone, extreme temperatures and flame

Benefits

  • Provides enhanced durability and sealing performance
  • Offers consistent performance in all environments
  • Reduces maintenance costs associated with gasket failures due to compression set and softening

HT-870 Soft Silicone Foam

Rogers BISCO HT-870 Soft Cellular Silicone is a firmer, denser version of our BF-1000 Silicone and offers the ability to seal and cushion within a wide range of applications. BISCO HT-870 Soft Cellular Silicone is ideal for sealing outdoor enclosures, protecting electronics from shock and heat and providing cushioning and vibration isolation. With excellent memory and low stress relaxation, HT-870 silicone reduces maintenance costs from gasket failures caused by compression set and softening. Its extra softness allows designers to use less force to seal enclosures while still protecting devices from the environment.

Features

  • Available in thicknesses from 0.063 to 0.500 in.
  • Typical density of 15 PCF
  • CFD range of 2-7 PSI
  • Resistant to UV, ozone, extreme temperatures and flame
  • Available with pressure-sensitive adhesive on one or two sides, allowing easy surface application

Benefits

  • Highly adaptable to various environments
  • Softness allows protective seals that use less force
  • High compressibility enables material to conform to variable width gaps, allowing greater design flexibility
  • Reduces maintenance costs associated with gasket failures due to compression set and softening

BF-1000 Very Soft Silicone Foam

Rogers BISCO® BF-1000 Extra Soft Cellular Silicone offers the compressibility, softness and durability needed for various sealing and cushioning applications. BISCO BF-1000 Extra Soft Cellular Silicone is a highly flame-resistant material, ideal for sealing outdoor enclosures, protecting electronics from shock and heat and providing cushioning and vibration isolation. BF-1000 silicone’s excellent memory and low stress relaxation reduces maintenance costs from gasket failures caused by compression set and softening. Its extra softness allows designers to use less force to seal enclosures while still protecting devices from the environment. This material offers superior vibration isolation in electronic components and transportation vehicles. BF-1000 is also ideal for use in environmental seals to protect against penetration of dust, moisture, air or light within outdoor enclosures such as lighting fixtures, HVAC units and electronic cabinets.

Features

  • Available in thicknesses from 0.063 to 1.0 in.
  • Typical density of 12 PCF
  • CFD range of 1-5 PSI
  • Resistant to UV, ozone, extreme temperatures, flame, heat and vibration
  • Available with pressure-sensitive adhesive on one or two sides, allowing easy surface application

Benefits

  • Highly adaptable to various environments
  • FDA compliant
  • Softness allows protective seals that use less force
  • High compressibility enables material to conform to variable width gaps, allowing greater design flexibility
  • Reduces maintenance costs associated with gasket failures due to compression set and softening

BF-2000 Ultra Soft Silicone Foam

Rogers BISCO® BF-2000 Ultra Soft flame retardant foam offers the perfect balance of low weight and softness for transportation, industrial and electronics applications. BISCO BF-2000 Ultra Soft is a highly compressible silicone foam with the right combination of low weight and softness for applications requiring low closure force and dust sealing. BF-2000 silicone’s ultra-low softness allows designers to use less force to seal enclosures while still protecting devices from the environment. This material is ideal for vibration isolation in electronic components and transportation vehicles. BF-2000 foam is also ideal for low closure force gaskets within portable electronics such as laptops and LCD screens within aircraft and rail interiors.

Features

  • Available in thicknesses from 0.125 to 0.500 in.
  • Typical density of 10 PCF
  • CFD range of 2.5 PSI max
  • Excellent memory and low stress relaxation
  • Resistant to UV, ozone, extreme temperatures and flame
  • Available with pressure-sensitive adhesive on one or two sides, allowing easy surface application

Benefits

  • Ultra-low softness allows protective seals that use less force
  • High compressibility enables material to conform to variable width gaps, allowing greater design flexibility
  • Reduces maintenance costs associated with gasket failures due to compression set and softening

BISCO Silicone Solid Rubber







BISCO Silicone Solid Rubber


A2 Sound Barrier Silicone

Rogers BISCO® A2 Sound Barrier solid silicone material is the top choice for sound transmission blocking and low frequency noise reduction in aircraft and rail applications. BISCO A2 Sound Barrier is a solid silicone rubber designed for sound barrier applications and is ideal for use in aircraft and rail liners, flooring and interiors. A2 R Fiberglass Reinforced Sound Barrier contains embedded fiberglass, and provides similar sound absorption and flame resistance characteristics with added tensile and tear strength.

Features

  • Typical density: 1.2-8.2 kg/m2
  • Specifications: Airbus ABS5708, FAR25.856(a)
  • Durometer: 62 Shore A
  • Tear strength: 10.2 N/mm
  • Temperature stability: -50°C to 180°C

Benefits

  • Superior acoustic insulation and noise reduction in aircraft and rail liners, flooring and interiors
  • Meets the most demanding requirements for flammability, smoke density and toxicity (FST)
  • Uses innovative filler technology to create superior flame resistance
  • Available in standard and fiberglass-reinforced fabrications

HT-1200 Series Silicone Rubbers

Rogers BISCO® HT-1200 series of general purpose silicone rubbers are firmer in nature, ideal for use in general industrial type applications. The BISCO HT-1200 general purpose solid silicone series offers resistance to high temperatures, tears and most fluids for a variety of industrial applications.

Features

  • Available in thicknesses from 0.031 to 0.125 in.
  • Specifications include A-A-59588, AMS 3302 – AMS 3304 and FDA 21 CFR 177.2600
  • Durometer of 40-75 ± 5 Shore A
  • Tensile strength > 1000 PSI
  • Elongation of 200 to 500%

Benefits

  • Resistant to extreme temperatures, tears and most fluids
  • Available in 4 standard durometers and colors (red, gray, black, white)
  • Great choice for most industrial applications

HT-200 Silicone Sound Barrier

Rogers BISCO® Sound Block materials combine the best noise reduction capabilities with superior fire-retardant properties. BISCO HT-200 Sound Block materials are made of silicone elastomers specifically designed to both reduce sound transmission within interior spaces and prevent the spread of fire and smoke. These high-performance elastomeric materials use a filler technology to solve acoustic, fire and smoke issues for a variety of applications, including railcar subflooring, interior vehicle panels and air ducts. HT-200 materials are supplied in roll form and are available with or without adhesives and supported backings.

Features

  • Withstands temperatures between -55°C and 250°C (-67°F to 482°F)
  • Complies with international safety standards for mass transit and aerospace
  • Sound transmission can be “tuned” by adjusting the areal density or weight of materials

Benefits

  • Flame retardant, complying with all international safety standards
  • Good tear strength
  • Excellent resistance to compression set, UV, moisture and cleaning alcohols

HT-1500 Silicone Press Pad

Rogers BISCO® HT-1500 press pad is the industry leading reinforced silicone rubber composite designed for press pad and high strength gasketing applications. BISCO HT-1500 reinforced silicone rubber composite is the top choice of designers for press pad and high strength gasketing applications. HT-1500 silicone features a coated fiberglass layer between two layers of silicone rubber. This reinforced design provides dimensional stability, durability and tear resistance at high temperatures and pressures.

Features

  • Available thicknesses from 0.031 to 0.125 in.
  • Withstands temperatures above 350°F and pressures above 350 PSI
  • Durometer of Shore A 70 ±10
  • Tensile strength of Warp kN/m (PPI) is 52.5 (300) min.
  • Tensile strength of Fill kN/m (PPI) is 52.5 (300) min.

Benefits

  • Replaces less durable one-time-use press pad materials
  • Provides high levels of performance, durability and tear resistance

HT-6000 Series Silicones

Rogers BISCO® HT-6000 series of performance solid silicones offer enhanced sealing capabilities for medical and industrial appliance applications. The BISCO HT-6000 series of performance solid silicones are ideal for high demand gasketing applications. They provide low compression set (<5%), high tear strength, resistance to fluids and extremely tight thickness tolerances. The HT-6000 series is available in soft to firm grades with specific characteristics, including HT-6360 Firesafe Solid Silicone, HT-6210 and HT-6220 Soft Solid Silicones, HT-6135 Tight Tolerance Solid Silicone and HT-6240 Transparent Solid Silicone.

Features

  • Available thicknesses from 0.010 to 0.125 in.
  • Durometer of 10-65 ± 5 Shore A
  • Tensile strength of 250 to 1000 PSI
  • Elongation of 175 to 650%
  • Tear resistance of 25-125 PPI

Benefits

  • Wide range of fabrications to suit various sealing and gasketing needs
  • Resistant to extreme temperatures, tear and most fluids
  • Products offer specific characteristics, such as fire protection and transparency, to solve tough design issues

EC-2130 Silicone EMI Shield

Rogers BISCO® EC-2130 electromagnetic shields are electrically conductive silicones used to reduce EMI and RFI. BISCO EC-2130 electrically conductive silicones reduce EMI and RFI at frequencies above 10 GHz in a wide range of electronic applications. EC-2130 silicones are formulated to have a low durometer, creating the low compressive forces needed for challenging product designs. EC-2130 silicones are ideal for use in compact handheld electronics, communication devices, electronic enclosures and laptop computers.

Features

  • Available thicknesses from 0.063 to 0.125 in.
  • Shielding effectiveness of +100 db
  • Silicone EMI Shield grade
  • Durometer of Shore OO 80 ±1

Benefits

  • Low durometer creates low compressive forces
  • Designed to meet specific design needs for compact handheld electronics, communication devices, electronic enclosures and laptop computers

BISCO Specialty









BISCO Specialty


EC-2265 Electrically Conductive Silicone

Rogers BISCO® EC-2265 Electrically Conductive Silicone dissipates heat from electrostatic discharge. BISCO EC-2265 Electrically Conductive Grade solid silicone is a carbon black filled silicone material that acts as a low amperage conductor and provides protection against electrostatic discharge.

Features

  • Solid, carbon filled
  • Available in thicknesses from 0.020 to 0.250 in.
  • Durometer of Shore A 65 ± 5
  • Electrical Conductivity at 5 ohm-cm

Benefits

  • Low amperage conductor
  • ESD shield

MF1® Bun Silicone

Rogers BISCO® MF1® Bun silicone offers superior durability and fire resistance in a wide range of cushioning applications. BISCO MF1 Bun silicone is a lightweight cellular silicone foam cast into block form. This high-quality material is designed for a wide range of cushioning applications such as passenger rail car seating. MF1 silicone’s proven durability and fire resistance means reliable comfort, longevity and safety. MF1 is available in three firmness ranges, allowing engineers to optimize seat designs and maximize passenger comfort while reducing weight and size.

Features

  • Available in blocks up to 8 in. thick
  • Tested for a UL94 V-0 and HF-1 rating
  • Low compression set
  • Used most often as cushion foam in passenger rail car seating

Benefits

  • Exceptional flame, smoke and toxicity (FST) resistance performance
  • Superior weather and UV resistance
  • Outperforms competitive cushion foams in durability
  • Ensures safety, long cushion life and lasting passenger comfort

MS Medical & Life Science Series

Rogers BISCO® MS Medical & Life Science Series is a suite of high-performance silicone foams and solids for medical and life science applications.

From bio-pharmaceutical gasketing and sealing to acoustic absorption and vibration management, the BISCO® MS Silicone series offers high-performance materials that deliver mission-critical reliability in a variety of medical and life science applications. Materials in this series are chemically inert, non-toxic, thermally robust and environmentally stable.

Features

BISCO MS Series Buns: Block form of open-cell silicone foams that offer:

  • Low density / softness
  • Excellent acoustic absorption
  • Vibration isolation

BISCO MS Series Solids: Solid silicones that offer:

  • USP Class VI and 21CFR177.2600
  • Excellent long-term sealing performance
  • Biocompatibility and low levels of migratablesm

Benefits

BISCO MS Series Cellular Foams: Open-cell silicone foams that offer:

  • Durability
  • Conformability
  • Enhanced sealing for excellent long-term protection
  • Range of firmness grades and thicknesses

IF-200 Tear Resistant Foam

Rogers BISCO® IF-200 foam is an abrasion-resistant material that can withstand harsh environments with minimal risk of tearing. BISCO IF-200 foam is the ideal foam for use in harsher environments where strength is critical. IF-200 foam consists of a fiberglass support layer that is directly bonded to our world-class BF-1000 foam during processing. This fiberglass layer provides resistance against abrasion and tear while serving as a flexible, yet supportive base for mechanical installation.

Features

  • Available thickness of 0.197 in. (5 mm)
  • Tear resistant foam grade
  • Consists of BF-1000 foam bonded directly to a fiberglass support layer

Benefits

  • Withstands harsher environments
  • Offers good tear strength
  • Provides flexible yet supportive mechanical base for installation

RF-120 Silicone Heat Shield

Rogers BISCO® RF-120 silicone is a specialty reflective foam capable of both insulating against heat and reflecting it away. BISCO RF-120 heat shield is a reflective foam designed to aid in heat management applications. RF-120 foam both insulates against heat and reflects it away. This specialty silicone composite consists of a smooth aluminized fabric and our lower density BF-1000 foam. RF-120 foam is widely used in commercial, professional and military vehicles.

Features

  • Available thicknesses from 0.098 to 0.197 in. (2.5 to 5 mm)
  • Reflective silicone heat shield grade
  • FMVSS-302 flammability rated

Benefits

  • Both insulates against and reflects heat
  • Combines the strength of aluminized fabric with the flexibility and softness of BF-1000 foam

FPC Silicone Fire Barrier

Rogers BISCO® FPC Fire Protective Covering is a patented specialty silicone foam designed to resist flame burn-through at extremely high temperatures. BISCO Fire Protective Covering (FPC) is a high performance specialty silicone foam designed to protect sensitive components from fire damage. This patented material can resist the burn-through of flames while reducing the spread of flames to other areas. FPC silicone is typically wrapped around cables or electronics, but can also be used as a barrier curtain or blanket on airplanes or in fire suits.

Features

  • Fabricated with silicone elastomer cast directly onto reinforcing fiberglass layer
  • Available thicknesses from 0.063 to 0.250 in.
  • Resists continuous temperatures from -55°C to 200°C (-67° to 392°F)
  • Resists intermittent temperatures from -250° to flames at 1038°C (-482° to 1900°F)
  • Provides good resistance to arcing

Benefits

  • Emits low levels of smoke and toxic gas, making FPC ideal for aircraft and railcar cabins
  • Flexible and durable with good tear resistance
  • Protects areas for prolonged periods of time

L3-XX40 Dynamic Flooring Material

Rogers BISCO® L3-XX40 medium density cellular silicone foam is the next generation in dynamic rail and mass transit flooring materials. BISCO L3-XX40 flooring material provides top of the line insulation, sealing, absorption and protection in vibration isolation pads used for railway flooring. L3-XX40 foam is engineered to meet global standards for flammability, smoke and toxicity. This innovative material is designed to mitigate vibration and provide a smooth passenger ride in high speed rail and other mass transit vehicles.

Features

  • Meets global standards for flammability, smoke and toxicity
  • Resistant to UV rays, weather and extreme temperatures
  • Available thicknesses are 4, 6, 10, 12, 16 and 25 mm
  • Typical density of 352 kg/m3

Benefits

  • Excellent vibration isolation and damping
  • Provides a comfortable passenger ride
  • Ideal for use in floating floor applications and vibration isolation pads/strips

MSK-2 Kevlar Foam

Rogers BISCO® MSK-2 foam is a Kevlar reinforced silicone foam designed specifically for high performance aircraft use. BISCO MSK-2 Kevlar foam is a soft silicone elastomer foam reinforced with Kevlar on both sides. The silicone foam is casted directly onto the Kevlar substrate, without the need for an adhesive layer. MSK-2 Kevlar foam is engineered to perform in the most demanding aircraft and is ideal for use in aircraft cargo components, expansion joint sealing and fire protection covering with high tear resistance.

Features

  • Available thicknesses from 0.086 to 0.118 in  (2.2 to 3.0 mm)
  • Tear strength of 20 to 35 min. N (4.5 to 7.87 lbf)
  • Tensile strength of 500 N/25mm (1102 PSI)
  • Compliant with Airbus ABS5026 B01 material specification

Benefits

  • Silicone provides pliability while Kevlar reinforcement offers resistance to tear and abrasion
  • Reinforced construction provides ease of stitching
  • Resistant to UV, ozone, extreme temperatures and flame
  • Performs consistently in all environments

Applications for BISCO Silicone

Electrical Insulation, Conduction & EMI Shielding
Gap Filling
Gasketing & Sealing
HEV Enclosures
Impact & Shock Absorption
Vibration Management
Flame Barrier

SRP is a proud Preferred Converter of Rogers BISCO® Silicone

SRP is a proud preferred converter partner of Rogers materials. Our longstanding supplier relationships allows us to source this high-performance material at the best industry prices directly from the manufacturer. Through this partnership, we’re well-equipped to assist you, through the support and access to the team of knowledgeable Rogers sales and applications engineers and technical services reps. Let us help you unleash new possibilities in design and achieve exceptional performance with Rogers BISCO® Silicone solutions.

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