brick fireclay,brick fire clay,low porosity clay brick
Characteristics:
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
7. Good volume stability at high temperature.
Physical and chemical index:
Item/Grade | Index |
SK-32 | SK-34 | SK-36 | SK-37 | SK-38 |
AL2O3 % (≥) | 35 | 38 | 55 | 65 | 70 |
Fe2O3 % (≤) | 2.5 | 2.5 | 2.0 | 2.0 | 2.0 |
Refractoriness(SK) | 32 | 34 | 36 | 37 | 38 |
Refractoriness under load, 0.2MPa, °C(≥) | 1300 | 1360 | 1450 | 1480 | 1530 |
Apparent porosity (%) | 20-24 | 20-22 | 20-23 | 20-23 | 20-22 |
Bulk density (g/cm³) | 1.95-2.1 | 2.1-2.2 | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 |
Cold crushing strength ,MPa (≥) | 25 | 30 | 45 | 50 | 60 |
Thermal expansion at 1000°C (%) | 0.6 | 0.6 | 0.3 | 0.3 | 0.2 |
Application:
Fire brick is widely used in metallurgy, petroleum, chemical industry, building materials, machinery processing, military, etc of thermal technology equipment.
Common sizes:
Straight type | Arch type | Wedge type |
L×W×H (mm) 230×114×65 230×114×75 230×114×32 220×110×60 220×110×50 220×110×40 220×110×30 | L×W×H/h (mm) 230×114×65/55 230×114×65/45 230×114×65/59 220×110×65/50 220×110×75/65 220×110×60/40 | L×W×H/h (mm) 230×114×65/55 230×114×65/45 220×110×75/65 220×110×60/40 |
Other sizes according to customer requirements |
About our company:
Our company is the specialized manufacturer and exporter of refractory and insulation materials in China. Our products mainly include Fire brick,Insulation fire brick,Refractory castable,Refractory raw materials,Primarily export to Europe, East Asia, Southeast Asia, America, Middle East, Australia and Africa etc.