BISCO® HT-800 – Medium Silicone


BISCO® HT-800 – Medium Cellular Silicone For Custom Gaskets and Seals

BISCO® HT-800 is a highly versatile, medium firmness silicone that offers the lightness of a foam, with the enhanced sealing capabilities of a traditional sponge rubber. It is used to seal and protect various outdoor communication, electronics, and lighting enclosures, while providing protection against wind-driven rain and fire. The material is also used to reduce shock or isolate vibration.

Available Thickness0.031″ – .500″
Typical Density22 lb/ft3
CFD Range6-14 psi
SpecificationsUL94 V-0 and HF-1, AMS 3195, ASTM E 162, ASTM E 662, SMP-800C
GradeMedium Silicone Foam

Features and Benefits of BISCO® HT-800:

  • Excellent memory and low stress relaxation reduces maintenance costs associated with gasket failures due to compression set and softening.
  • Resistance to ultraviolet light, ozone, extreme temperatures and flame enables consistent performance in all environments.
  • Compact cell structure and unique formulation provides enhanced sealing performance to resist penetration of fine particles and wind-driven rain.
  • FDA compliant in accordance with FDA Regulation 21 CFR 177.2600.


  • Environmental seals to protect against penetration of dust, moisture, air, or light within outdoor enclosures such as lighting fixtures, HVAC units, and electronic cabinets
  • Vibration isolators in electronic components and transportation vehicles
  • Shock absorbing cushions and gaskets


  • Available with a pressure-sensitive adhesive on one or two sides to allow easy application to a variety of surfaces.

Application Bulletins and Articles


Data Sheets

Technical Literature

SRP: A Rogers Corporation Preferred Converter

SRP is proud to be a Rogers Corporation Preferred Converter for their line of PORON® Polyurethane and BISCO® Silicone materials. We provide distribution and converting of these materials to various industries and customers around the world. Being a Preferred Converter for Rogers provides us access to all Rogers materials, with the added benefit of discounts and favorable lead times. SRP converts these materials in custom gaskets, seals, pads and stripping. All products can be laminated with a pressure sensitive adhesive.