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Microtherm Group MT Thermosphere® Moldable Insulation Paste
Categories: Ceramic; Oxide; Silicon Oxide; Other Engineering Material

Material Notes: MT Thermosphere® is a low density temperature resistant paste with excellent thermal insulation properties from cryogenic to high temperature exposure. It is a perfectly seamless insulation system. MT Thermosphere® is self drying and moldable. It dries by the evaporation of the water content. If required, it can be finished by painting or the application of a covering material.

Non-combustible to Euro Class A1 (DIN EN 13501-1:2002)

Hydrophobic at temperatures < 350ºC (662ºF) when set.

    Properties
  • Formulation based on glass microspheres in inorganic binder.
  • Capable of continuous single sided exposure to 650ºC (approx. 1200ºF).
  • Non-combustible to Euro Class A1.
  • Paste will air dry but drying can be accelerated by heating to no higher than 200ºC (approx. 390ºF).
  • No shrinkage when drying.
  • Good thermal insulation.
  • Low density / low weight.
  • Suitable for insulation of complex shapes in inaccessible areas.
  • Environmentally safe.
  • Hydrophobic.
    Applications
  • Typical application temperature range from -20 to 600ºC (approx. 0 to 1110ºF).
  • Precast shapes for pipes and difficult areas.
  • Penetration seals.
  • Gap sealing in insulation systems for continuity of protection.
  • On site repairs of existing insulation systems.
  • Any application where conventional insulation block or panel is difficult to use.

Information provided by Microtherm.

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Physical PropertiesOriginal ValueComments
Density 0.110 g/ccdry
 0.330 g/ccwet
 
Thermal PropertiesOriginal ValueComments
Specific Heat Capacity 0.840 J/g-°C
Thermal Conductivity 0.0370 W/m-K
@Temperature -20.0 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
 0.0380 W/m-K
@Temperature 10.0 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
 0.0420 W/m-K
@Temperature 50.0 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
 0.0470 W/m-K
@Temperature 100 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
 0.0580 W/m-K
@Temperature 200 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
 0.0700 W/m-K
@Temperature 300 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
 0.0850 W/m-K
@Temperature 400 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
 0.102 W/m-K
@Temperature 500 °C
@ 110 kg/m³; ASTM C177, ISO 8302, DIN EN-12667:2001-05
Maximum Service Temperature, Air 650 °Cfor long term exposure
Shrinkage <= 2.0 %
@Temperature 450 °C,
Time 86400 sec
full soak
 
Processing PropertiesOriginal ValueComments
Shelf Life 12.0 Month
@Temperature >=5.00 °C

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