Thermal Insulation MaterialsInsulating bricks
Lightweight Silica Brick
Insulating silica brick with low thermal conductivity, good volume stability, high refractoriness under load and a high working temperature. Grades GGR1.0 to GGR1.2.
- Grades / types
- GGR1.0, GGR1.1, GGR1.15, GGR1.2
Product overview
Lightweight silica brick has low thermal conductivity, good volume stability, a high refractoriness under load and a high working temperature.
Key characteristics
- Low thermal conductivity
- Good volume stability
- High refractoriness under load
- High working temperature
Technical data
| Property | Unit | GGR1.0 | GGR1.1 | GGR1.15 | GGR1.2 |
|---|---|---|---|---|---|
| SiO₂ | % | ≥91 | ≥91 | ≥91 | ≥91 |
| Bulk Density | g/cm³ | ≥1.0 | ≥1.1 | ≥1.15 | ≥1.2 |
| Cold Crushing Strength (CCS) | MPa | ≥2.0 | ≥3.0 | ≥5.0 | ≥5.0 |
| Permanent Linear Change (PLC) (1550℃×2h) | % | — | — | ≤0.5 | ≤0.5 |
| Permanent Linear Change (PLC) (1450℃×2h) | % | ≤0.5 | ≤0.5 | — | — |
| Refractoriness Under Load, 0.1 MPa (RUL) | ℃ | ≥1400 | ≥1420 | ≥1500 | ≥1520 |
| Thermal Conductivity (350℃±25℃) | W/(m·K) | ≤0.55 | ≤0.6 | ≤0.65 | ≤0.7 |
Available grades, shapes and sizes
Available grades
- GGR1.0
- GGR1.1
- GGR1.15
- GGR1.2
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