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BISCO® HT-800

1 of 3 products in this brand
BISCO® HT-800 medium firm silicone foam embodies the transition in the BISCO Silicone Cellular series from soft and conformable to firm and durable. It simultaneously retains the lightness of a foam while exhibiting enhanced sealing capabilities of a traditional sponge rubber. Patented chemistry and cell structure provide a long-term performance advantage.

Foam Type: Syntactic Foam

Density: 351.594496 - 351.594496 kg/m³, 352.0 - 352.0 kg/m³

Chemical Family: Silicones

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Silicones

Foam Type

Syntactic Foam

Product Type

Foam

Technologies

Ready-to-Use Products

Product Families

Ready-to-Use Products — Foams

Features & Benefits

Ready-to-Use Product Features

Durable,

Flame Resistant,

Ozone Resistant,

Shock Absorbent,

Soft,

UV Resistant

Features & Benefits
  • Temperature independency
  • UV/ Ozone resistant
  • Rated to most stringent flame standards

Applications & Uses

Markets

Automotive & Transportation

Applications

Automotive & Transportation — Automotive

Interior

Automotive & Transportation — Transportation

Rail & Mass Transit

Properties

Color

Black,

Grey,

Red

Flame Rating

UL 94 HF1,

UL 94 V0

Physical Properties
ValueUnitsTest Method / Conditions
Thickness0.79 - 12.70mm—
Density352.0Kg/m³—
Compression Force Deflection67.0kPaASTM D1056
Compression Set (100°C,22 hrs / 50%)2.4%ASTM D1056
Water Absorption (2” below water surface, 24hrs, change in weight)0.5%Internal
Thermal Properties
ValueUnitsTest Method / Conditions
Temperature Range-55 to +200°CInternal
Thermal Conductivity0.048W/m ºKASTM D518
Low Temperature Flex (-55°C, 5 hrs)Pass—ASTM D1056
Low Temperature Brittleness (-55ºC, 3 min)Pass—ASTM D746
Flammability
ValueUnitsTest Method / Conditions
Flame ResistanceV-0, HF-1—UL 94 (File E83967)
Flame Spread Index (Is, Flaming Mode)max. 35—ASTM E162
Smoke Density (Ds, Flaming Mode - 1.5min)max. 100—ASTM E662
Smoke Density (Ds, Flaming Mode - 4.0 min)max. 200—ASTM E662
Burn LengthMeets—FMVSS 302

Regulatory & Compliance

Certifications & Compliance

FDA 21 CFR 177.2600,

UL 94

Quality Standards

Railway European Fire Protection Standard EN 45545-2 HL3

Compliance

Statement of FDA compliance is based solely on the following: HT-800 (Gray) silicone foams (i) are compounded and cured under conditions of good manufacturing practice; and (ii) have been subjected to annual extraction testing in accordance with FDA Regulation 21 CFR 177.2600 paragraphs (e) and (f) and found to meet all extractives limitations, both of which are criteria set forth in 21 CFR 177.2600 as necessary for rubber articles intended for repeated use in those areas specified in the regulation.

Technical Details & Test Data

Technical Details

Standard Thickness Tolerances

Nominal Thickness

Tolerance
mm (inches) mm (inches)
0.79 (0.031)

3.735294118 (+ 0.015/-0.004)
1.60 (0.063) ± 0.508 (± 0.020)
2.39 (0.094) ± 0.508 (± 0.020)
3.18 (0.125) ± 0.635 (± 0.025)
4.76 (0.188) ± 0.635 (± 0.025)
6.35 (0.250) ± 0.762 (± 0.030)
9.53 (0.375) ± 1.143 (± 0.045)
12.70 (0.500) ± 1.270 (± 0.050)

 

Slit Material and Tape (PSA) Width Tolerances

Nominal Width

Tolerance
mm (inches) mm (inches)
> 0 - 76 (> 0 - 3) ± 1.60 (± 0.063)
> 76 - 203 (> 3 - 8) ± 2.39 (± 0.094)
> 203 - 305 (> 8 - 12) ± 3.18 (± 0.125)
> 305 - 457 (> 12 - 18) ± 4.78 (± 0.188)
> 457 - 660 (> 18 - 26) ± 5.56 (± 0.219)
> 660 - 914 (> 26 - 36) 25.4/- 0 (+ 1/- 0)