HT603A is a low density, low compression set, fire retardant silicone foam which is non-toxic, UV and ozone resistant and able to withstand extreme temperatures. Its major applications can be found within the aircraft, automotive, mass transit and electronics industries.

Note: certain thicknesses can be offered to BMS 1-68 Form II, AIMS 04-14-002 A and ABS5767.

See also HT606A which is HT603A backed with AD adhesive.

Applications
  • Gap Filling
  • Gaskets
  • Seals
  • Thermal Insulation
Product Features
  • Dust sealing
  • FDA compliant (white only)
  • Fire retardant
  • Good thermal insulation
  • High temperature applications
  • Low smoke/ low toxic gas emission
  • Potential for pressure sensitive adhesive
  • UV/Ozone resistant
  • Vibration isolation
Quality standards
  • ABD0031 Gas Toxicity (AITM 3.0005)
  • ABD0031 Smoke Density (AITM 2.0007)
  • ABS 5767 (certain dimensions)
  • AIMS 04-14-002A (certain thicknesses)
  • BMS 1-68 Form II (can be offered for certain thicknesses)
  • ECS 7046-10 (certain thicknesses)
  • FAR 25.853 (a)(1)(i)
  • FAR 25.853 (a)(1)(ii)
  • FDA compliant (white only) in accordance with FDA regulation 21 CFR 177.2600
  • UL94 HF1 & VO (from 1.5mm thickness)
Markets
  • Aerospace
  • Automotive
  • Electronics
  • Industrial
  • Mass Transit

Typical properties

Product Property Value Test Method
Density (kg/m3) 156-440 Thickness Dependent
Width (mm) to 915
Colour White/Grey/Black
Structure Mixed Cell
Thickness 1-25 mm
Temperature Range (°C) -55 to 200
Tensile strength (kPa) 262 ASTM D 412
Compression Force Deflection (kPa) @ 25% deflection 7-35 ASTM D 1056
Compression Set (%) @ 100°C, 22 hrs @ 50% compression 1.7 ASTM D 1056
Elongation (%) 86 ASTM D 412
Thermal conductivity (W/m.K) 0.048 ASTM C 518
Dielectric Constant 1.5 ASTM D 149
Water Absorption (%) 1.4