Refractoriness (℃): | 1770< Refractoriness< 2000 |
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Feature: | Long Time Materials |
Type: | Refractory Material |
Shape: | Brick |
Material: | Alumina Block |
Al2O3: | Min30% |
Samples: |
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Customization: |
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Items |
Ordinary type | High strength type | Insulation type | Vault type |
Al2O3 % | 25-30 | 25-30 | 25-30 | 30-25 |
Fe2O3 % ≤ | 2 | 2 | 2 | 2 |
SiO2 % | 65-70 | 65-70 | 60-70 | 60-65 |
Refractoriness ºC ≥ | 1650 | 1650 | 1650 | 1710 |
Bulk density g/cm3 ≥ | 2.15 | 2.25 | ≤1.65 | 2.2 |
Apparent porosity % ≤ | 21 | 20 | ≥35 | 21 |
Cold crushing strength Mpa ≥ | 35 | 60 | 15 | 35 |
0.2Mpa R.U.L ºCT0.6 ≥ | 1350 | 1300 | 1250 | 1400 |
Thermal conductivity 350±10ºC≤ | 1.28 | 1.28 | 0.7 | 1.28 |
Usage | Large and medium dry-process rotary kiln, decomposing furnace,etc. |
Our total annual production capacity is about 100,000 tons of dense-shaped refractory product, and 100,000 tons of monolithic refractory product.
We have three tunnel kilns for silicon-aluminum dense bricks and one new plant for the monolithic refractory.
We're sure our custom-made products and professional services will bring you a stable quality supply and more profit.
Our Laboratory and R&D Center
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