The BISCO® HT-1200 general purpose solid silicone series offers resistance to high temperatures, tears and most fluids for a variety of industrial applications.


  • 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%


  • 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

Please see below for a sampling of data for this material formulation. For detailed material information and to use advanced features such as filtering, visit the BISCO Product Properties Guide.

HT-1240 HT-1250 HT-1260 HT-1270
Minimum Thickness (mm) 0.79 .79 0.79 0.79
Maximum Thickness (mm) 3.18 3.18 3.18 3.18
Compression Set (%) ≤25 ≤25 ≤25 ≤25
Tensile Strength (kPa) 7650 7100 6950 7200
Elongation (%) ≥240 ≥200 ≥150 ≥125



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  • BISCO® Silicones Product Properties Guide

    Filter BISCO product information by various criteria, including property groups, product category or units, to find the best material for the application.

  • Application Design Tool

    Determine the best BISCO® silicone or PORON® polyurethane material for specific design application.

  • Compression Force Deflection Curve Tool

    Identify design-appropriate BISCO silicone, PORON polyurethane and ARLON silicone materials using stress-strain data.

  • Impact Prediction Tool

    Select the best BISCO silicone or PORON polyurethane for energy absorbing applications using impact data.

  • Vibration Isolation Tool

    The Vibration Isolation Tool recommends the proper BISCO® silicone and PORON® polyurethane materials for your vibration mitigation applications.

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