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Lightweight Insulation Castable

Bulk Density: 0.5-18g/cm3

Installation change: Ramming or vibration,or spray

Light weight

Great uniformity

Low thermal conductivity

Enery saving

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Lightweight thermal insulation castables refer to castables with low bulk density.

Lightweight thermal insulation castables have low bulk density, small thermal conductivity, and good thermal insulation performance, which can reduce the heat energy consumption of industrial kilns and also reduce the furnace lining. weight.

Lightweight Insulation Castable Features

  1. low thermal conductivity.
  2. Light weight.
  3. Very low thermal conductivity.
  4. Good insulation performance.

Lightweight Insulation Castable Video


Bulk Density g/cm3≥0.5≥0.8≥1≥1.1≥1.3≥1.5≥1.8
Rervice Temperature (℃)1150120012501250130013001350
Thermal Conductivity (W/m·k) 350℃≤0.15≤0.25≤0.3≤0.4≤0.45≤0.6≤0.65
Thermal Conductivity (W/m·k) 700℃≤0.2≤0.3≤0.4≤0.45≤0.5≤0.7≤0.75
Cold Crushing Strength  MPa 110℃×24h≥1.5≥2≥4≥5.5≥10≥15≥20
Cold Crushing Strength  MPa 1000℃×3h≥1.5≥2≥5.5 ≥6.5≥15≥20≥30
Permanent linear change
1000℃×3h %


Lightweight thermal insulation castables can be used for the insulation layer of high-temperature industrial furnaces and equipment; as the lining of various high-temperature gas pipelines.

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