yixing xinwei leeshing refractory materials co.,Ltd
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High Alumina silica Refractory Brick Refractory Material
Product specifications
A kind of neutral refractory material with alumina content over 48%.The raw material is bauxite or other ore with high alumina content. high alumina refractory brick has high thermal stability and fire resistance above 1700ºC.
Suitable For
1) Cement and other building materials industry kiln back insulation;
2) Petrochemical, metallurgical, ceramics, glass industry, the furnace lining insulation;
3)Heat treatment furnace backlash insulation;
4)Non-ferrous metal industry back insulation;
5)High temperature reaction, heating equipment back insulation.
| Item/Grade | High Alumina Refractory Brick | |||
| SK-36 | SK-37 | SK-38 | SK-40 | |
| Al2o3% (≥) | 55 | 65 | 70 | 82 |
| Fe2o3% (≤) | 2.0 | 2.0 | 2.0 | 2.0 |
| Refractoriness (SK) | 36 | 37 | 38 | 40 |
| Refractoriness under load, 0.2MPa, ℃ (≥) | 1450 | 1480 | 1530 | 1600 |
| Porosity(%) | 20-23 | 20-23 | 20-22 | 18-20 |
| Density(g/cm3) | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 | 2.5-2.7 |
| Cold crushing strength, MPa (≥) | 45 | 50 | 60 | 70 |
Wooden pallets with plastic film or according to yours
1. Strong packing protects the goods from any possible damage during transit.
2. Solid packing and overall stuffing prevent the cases from vibration and jarring.
3. Necessary precaution is taken to protect goods from pilferage or rain.
Every possible precaution is taken to ensure our products in prime condition when reach customers around the world.