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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

ItemQG-1.0QG-0.8QG-0.6
Maximum Service Temperature,℃125012001150
Al₂O₃,%434036
SiO₂,%363736
Bulk Density,g/cm³10.80.5
Thermal Conductivity Coefficient,W/(m.K)350℃≤0.3≤0.25≤0.15
700℃≤0.4≤0.30≤0.20
Cold Crushing Strength,Mpa110℃*24h≥4.0≥2.0≥1.5
1100℃*3h≥5.5≥2.0≥1.5
Linear Change Rate After Burning PLC,%1100℃*3h±0.4±0.3±0.2
Permanent Linear Change(1000℃*3h)/%-1.0-1.0-1.5

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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