| Item | Chemical Composition |
| Al2O3 | ≥55% |
| Fe2O3 | ≤2% |
| Bulk density | ≥2.35g/cm3 |
| Apparent porosity | ≤23% |
| CCS | ≥50MPa |
| Refractoriness | ≥1790℃ |
High Thermal Resistance High Alumina refractory Block is a kind of alumina silicate refractory whose content of alumina is not less than 55% Thermal stability, high refractoriness in above 1790 ℃, high refractoriness under load can reach above 1480 °, good slag resistance, good thermal shock stability, Acid and alkali resistance, high temperature creep rate low, high temperature strength characteristics, belong to the high refractory.
The first-grade high alumina refractory brick is mainly used for electric furnace cover (top), blast furnace (body), hot air furnace partition wall, steel ladle lining and steel barrel. The inner lining of various thermal kilns, such as iron water truck, cement kiln, glass kiln, etc.Widely used in ironmaking, steelmaking, chemical industry, cement and other industries.
Feature
1. Better Cold Crushing Strength
2. Higher Refractoriness Under Load
3. Better Thermal Shock Resistance
4. Low Reheating Linear Rate
Applications:
1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Standard sizing: 230 x 114 x 65 mm others up to the client
Annec is a national hi-tech company, and is accredited with ISO9001:2008 quality control system standards, ISO12001:2004 environmental control system standards, and GB/T28001-2011 HAZOPS. Annec has set up a thorough and effective management system with practical considerations for her employees and community, and is persistent in promoting employee self-value and product quality. With these efforts, Annec was awarded the prestigious 2012 Zhengzhou Mayor Quality Prize.
