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Insulating Castable

Insulating Castable

Insulating Castable

Widely used in the lining of kilns, thermal equipment, flues and smoke windows in various industries and the insulation layer of atmosphere kilns.

Bulk Density(g/cm³): 0.5-1.8;
Max. Service Temperature/℃: 1150-1350;
Cold Crushing Strength(110℃*24h)≥: 1.5-20MPa;
Thermal Conductivity (W/m·k)350℃: 0.15-0.65;
Permanent Linear Change (1000℃*3h)/%: -0.5;

Technical Data

Item/GradeQJ-0.5QJ-0.8QJ-1.0QJ-1.1QJ-1.3QJ-1.5QJ-1.8
Bulk Density (g/cm³)0.50.81.0 1.11.31.51.8
Max. Service Temperature/℃1150120012501250130013001350
Thermal Conductivity Coefficient ≤/[W/(m·K)]350℃0.150.250.30.40.450.60.65
700℃0.20 0.30 0.40.450.50.70.75
Cold Crushing Strength ≥/MPa110℃*24h1.52.0 4.0 5.5101520
1000℃*3h1.52.0 5.56.5152030
Permanent Linear Change (1000℃*3h)/%-1.5-1.0 -1.0 -0.5-0.5-0.5-0.5

Insulating Castable

Advantages of Lightweight Insulating Castable

1. Lightweight easier to handle;

2. Low Thermal Expansion;

3. Good Thermal Shock Resistance.

Lightweight Insulating Castable

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