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Silica Brick
1.The high temperature structure is stable
2.No pollution
3.Resistance to chemical attack
4.Low density
Description
| 1. Silica brick Description |
Silica brick is made of quartz stone material, SiO2 content is more than 93%, it has acid slag corrosion resistance and high-temperature strength. The load softening start temperature is 1620~1670°C. Silica bricks will not deform after long-term use at high temperatures and have low thermal shock stability. This residual expansion will tighten the joints and ensure that the masonry has good airtightness and structural strength.
Item | GZ-96 | GZ-95 | GZ-94 | GZ-93 |
SiO2 % | 96 | 96 | 94 | 93 |
Fe2O3 % | 1.0 | 1.2 | 1.4 | 1.6 |
refractoriness °C | 1710 | 1710 | 1710 | 1690 |
Apparent porosity % | 22 | 22 | 23 | 25 |
Cold crushing strength Mpa | 29.4 | 29.4 | 24.5 | 19.6 |
Refractoriness under load(0.2MPa) °C≥ | 1660 | 1650 | 1640 | 1620 |
true density g/cm³ | 2.34 | 2.37 | 2.38 | 2.39 |
| 2. Silica brick Feature |
1. Silicon oxide is above 95%.
2. Good acid erosion resistance.
3. High softening point with temperature.
4. No shrink in burn repeatedly.
5. Temperature of refractory
6. Ess under load is above 1650º C

| 3. Silica brick Application |
Silica bricks are primarily used for furnaces and kilns in metallurgy, steel, power, chemical industry, and electric power and machine building, etc areas.
| 4.Packing |
1. Carton packaging
2. Tray + plastic film + fixed band
3. Pallets: 1*1m,0.93*0.93m.
4. Tray weight: 1.6~2.0ton.

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