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Specifications
We can supply Andalusite refractory brick HB,Alumina hollow ball brick acid resisting brick, refractory brick.Andalusite refractory brick HB Detailed Product Description
Our company passed ISO 9001 quality certificate in the year 2000. With the aid of stringent quality assurance systems, powerful technology & advanced equipments, our products enjoy good reputation in the world.
The acid resiting brick have the most competitive price,good quality,safty packing,prompt delivery time,and excellent after-sales services.
Andalusite refractory brick HB with the following specifications:
Item: |
HB |
HD |
HS |
DE |
|||
Al2O3 % |
≥65 |
≥53 |
≥57 |
≥55 |
|||
Fe2O3 % |
≤0.8 |
≤1.0 |
≤0.8 |
||||
TiO2 % |
≤0.5 |
≤0.6 |
≤0.5 |
||||
K2O+Na2O % |
≤0.6 |
≤1.2 |
≤0.6 |
≤1.2 |
≤0.6 |
≤1.2 |
≤1.0 |
Impurity % |
≤0.7 |
≤0.7 |
≤0.7 |
||||
Apparent porosity |
≤20 |
≤20 |
≤20 |
≤24 |
|||
Bulk density g/cm³ |
≥2.45 |
≥2.35 |
≥2.40 |
≥2.40 |
|||
Cold crushing strength MPa: |
≥50 |
≥40 |
≥40 |
≥40 |
|||
Modulus of rupture MPa: |
≥18 |
≥15 |
|||||
Refractoriness under load |
T0.5≥1520 T2≥1630 |
T0.5≥1350 T2≥1490 |
T0.5≥1470 T2≥1580 |
T2≥1580 |
|||
Creep% (0.2Mpa×50h) |
1500×(2050)h ≤0.2 |
1350×(2050)h ≤0.2 |
1400×(2050)h ≤0.2 |
1450×(2050)h ≤0.2 |
|||
Permanent linear change % |
1500×4h ±0.2 |
1400×4h ±0.2 |
1500×4h ±0.2 |
1500×4h ±0.2 |
|||
Thermal shock resistance(cycles) |
≥20 |
≥20 |
≥20 |
||||
Andalusite refractory brick HB Characteristic:1. High temperature resistance.2. Low thermal conductivity.3. Good thermal insulation.4. High strength.5. Can direct contact with flame.6. Good chemical stability (acid-base erosion resistance ).7. Low bulk density (lighter than the same kind of material ,thin kiln wall, low cost ) .
Andalusite refractory brick HB Application: Alumina Hollow Ball Brick are widely used in metallurgy, refractories, light industry, chemical industry, ceramic, glass, electronic industries.Can be used in cracking furnace, Hot Blast Stove, Shuttle kiln ,heating furnace, tunnel kiln, push board kiln, pot furnace, and kinds of electric furnace and electrical kiln lining and so on.
The service of Andalusite refractory brick HB :
We can guarantee the quality of the Andalusite refractory brick HB with the competitive price. We will try our best to satisfied the requirement of the customer about the Andalusite refractory brick HB products. We do not want to do the one-shot business of the Andalusite refractory brick HB . We also can provide some samples of the Andalusite refractory brick HB products
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