Fire Resistant High Alumina Refractory Bricks High Alumina Bricks
Fire Resistant High Alumina Refractory Bricks High alumina bricks
Laurel high alumina bricks are produced with selected bauxite chamotte by advanced process and strict quality control. The main mineral components are corundum and mullite phases. It features excellent high temperature mechanics and chemical corrosion resistance.
| Item | HA60 | HA70 | HA75 | HA80 |
| AL2O3(%) | ≥60 | ≥70 | ≥75 | ≥80 |
| SIO2(%) | 32 | 22 | 20 | ≥18 |
| Fe2O3(%) | ≤2.5 | ≤2.0 | ≤1.8 | ≤1.8 |
| Refractoriness °C | ≥1750 | ≥1770 | ≥1780 | ≥1790 |
| Bulk density,g/cm3 | 2.35-2.4 | 2.45-2.5 | 2.5-2.55 | 2.55-2.6 |
| Softening temperature under load | ≥1450 | ≥1510 | ≥1520 | ≥1530 |
| Apparent porosity,% | ≤24 | ≤23 | ≤22 | ≤21 |
| Cold Crushing strength Mpa | ≥45 | ≥50 | ≥54 | ≥60 |
High compressive strength.
Good eroding resistance
Low iron content
high temperature working temperature
Advantage :
1.Competitive Price. Make the products competitive in your market.
2.Abundant Experience. Prevent cracks and twist in bricks.
3.Different Moulds. Save mould fees for you.
4.Lower ferric Oxide,porosity,higher refractoriness,density,higher CCS and exact tolerance.
5.Strict Quality Control. Meet clients' quality requirement.
6.Safty packing,prompt delivery time,and excellent after-sales services.
7.Large stocks. Guarantee prompt delivery.
8.Professional Packing. Avoid damage and secure the goods in transportation.
Application :
Cement Rotary Kilns
Laddle Lining
Glass industries
Blast furnaces Stoves & Checkers
Electric Furnace Roof
HIGH LIGHT :
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