Lightweight Silica Refractory Bricks SiO2 91% With Good Acid Erosion Resistance
Light Weight Silica Insulation BrickDescription:
It is mainly made of top class silica, via shaping and burning under the high temperature,
Possesses high temperature resistant, high strength and low impurities, etc.
It is mainly used for blast furnaces and hot blast stove.
Light weight silica brick Advantage:
1) Silicon oxide is above 91%.
2) Good acid erosion resistance.
3) High softening point
Light Weight Silica Insulation Brick Applications:
Light weight silica bricks are primarily used for furnaces and kilns in metallurgy, steel, power, chemical industry, and electric power and machine building etc.
Light Weight Silica Insulation Brick Specification:
| Items | RS-1.20 |
| SiO2 min | 91% |
| Bulk Density g/cm3 | 1.2 |
| Refractoriness,℃ min | 1670 |
| C.C. strength M/pa, min | 5.0 |
| Liner change after reheating,(1550℃ x 2h) max | 0.5% |
| Refractoriness under load (0.1Mpa) (min) | 1520 |
| Thermal conductivity coefficient (W/m.k)350±10℃ (max) | 0.7 |
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