BISCO® HT-800

Chemical Family: Silicones

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.

Product families

Automotive & Transportation — Automotive

Interior

Automotive & Transportation — Transportation

Rail & Mass Transit

Other characteristics

Brand: BISCO
Density: 351.594496 - 351.594496 kg/m³, 352.0 - 352.0 kg/m³
Foam Type: Syntactic Foam
Color: Black
Grey
Red
Markets: Automotive & Transportation
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.
Flame Rating: UL 94 HF1
UL 94 V0
Product Type: Foam
Technology: Ready-to-Use Products
Product Families: Ready-to-Use Products — Foams
Quality Standards: Railway European Fire Protection Standard EN 45545-2 HL3
Technical Details: 3.735294118 (+ 0.015/-0.004)
Benefits and Features: Temperature independency
UV/ Ozone resistant
Rated to most stringent flame standards
Certifications and Compliance: FDA 21 CFR 177.2600
UL 94
Ready to Use Product Features: Durable
Flame Resistant
Ozone Resistant
Shock Absorbent
Soft
UV Resistant

Technical data

Table 1 of 3

5 rows

Characteristic	Value	Unit	Method
Thickness	0.79 - 12.70	mm	—
Density	352.0	Kg/m³	—
Compression Force Deflection	67.0	kPa	ASTM 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

Table 2 of 3

4 rows

Characteristic	Value	Unit	Method
Temperature Range	-55 to +200	°C	Internal
Thermal Conductivity	0.048	W/m ºK	ASTM D518
Low Temperature Flex (-55°C, 5 hrs)	Pass	—	ASTM D1056
Low Temperature Brittleness (-55ºC, 3 min)	Pass	—	ASTM D746

Table 3 of 3