Thermobreak® RT insulation

Thermobreak® RT utilises our unique physically crosslinked technology coupled with low emissivity reinforced aluminium foil facing to create an insulation that meets the extensive fire & smoke requirements of transit vehicles (EN45545-2) whilst providing outstanding thermal performance & moisture protection.

Category:

Applications

Duct insulation

  • OEM insulation
  • Rail and coach (Thermobreak RT)
  • HVAC installation and manufacture
  • Custom fabricated kits available

Availability

Available in thicknesses of 5mm, 10mm, 15mm, 20mm, 25mm and 50mm in sheets/rolls.

Data

Material Physically (irradiation) crosslinked closed cell polyolefin foam with factory applied reinforced aluminium foil and pressure sensitive adhesive backing
Density 25kg/m3 (foam core only)
Thermal Conductivity

(ASTM C518)

0.032 W/m.°K (@ 23 °C mean temperature)
Water Vapour Permeability

(ASTM E96)

2.3 x 10-15 kg/Pa.s.m (0.0084 mg.m/N.h)
Water VapourPermeance 1.95 x 10-4 g/MN.s
Permeability Resistance factor µ > 80,000
Water Absorption by volume

(ASTM C1763, Procedure B, 24h)

< 0.2% v/v
Resistance to Fungi

(ASTM G21)

Zero Growth
Leachable Chlorides

(ASTM C871)

< 12 ppm (<0.0012% w/w)
Ozone Resistance Excellent
UV Resistance Excellent
VOC Emission Rate

(ASTM D5116)

Low VOC emitting (“Green Star”)
Operating Temperature Range -80°C ~ +100 °C