// SPEC · Refractory Bricks
Thermal Grade Silica Brick SiO2 97%
Thermal Grade Silica Brick SiO2 97% for float glass tank checker brick with high RUL, volume stability, and alkali vapor resistance. Ideal for glass furnace superstructure and ceramic kiln car top decking.
// Key Features
- High refractoriness under load (RUL ≥1660°C)
- Excellent resistance to alkali vapor attack in glass furnace atmospheres
- Superior volume stability across wide thermal cycling range
- Low impurity content protecting glass melt quality
// Technical Specifications
| SiO2 (%) | ≥97.0 |
| Al2O3 (%) | ≤0.4 |
| Apparent Porosity (%) | ≤21 |
| True Density (g/cm³) | ≤2.34 |
| Cold Crushing Strength (MPa) | ≥40 |
// Applications
Float glass tank furnace checker brickGlass melting furnace superstructure archCeramic tunnel kiln car top deckingGlass furnace regenerator crownBorosilicate glass melting furnace lining
// Quick Specs
Max Temperature1700°C
Thermal Conductivity1.35 W/(m·K) at 600°C
Density2.34 g/cm³
StandardGB/T 2988
// Get Pricing
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