Furnace firebrick,Straigh refractory brick,Arch refractory brick
Characteristics:
1. High refractoriness,High-temperature endurable .
2. Good corrosion resistance.
3. Good spalling resistance and wear 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 | Fire clay brick | High alumina brick |
SK-30 | SK-32 | SK-34 | SK-35 | SK-36 | SK-37 | SK-38 | SK-40 |
AL2O3 % (≥) | 30 | 35 | 38 | 45 | 55 | 65 | 70 | 82 |
Fe2O3 % (≤) | 2.5 | 2.5 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
Refractoriness(SK) | 30 | 32 | 34 | 35 | 36 | 37 | 38 | 40 |
Refractoriness under load, 0.2MPa, °C (≥) | 1250 | 1350 | 1370 | 1420 | 1450 | 1480 | 1530 | 1600 |
Apparent porosity (%) | 22-26 | 20-24 | 20-22 | 18-20 | 20-23 | 20-23 | 20-22 | 18-20 |
Bulk density (g/cm³) | 1.9-2.0 | 1.95-2.1 | 2.1-2.2 | 2.15-2.22 | 2.25-2.4 | 2.3-2.5 | 2.4-2.6 | 2.5-2.7 |
Cold crushing strength ,MPa (≥) | 20 | 25 | 30 | 40 | 45 | 50 | 60 | 70 |
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 requiremen |
Application:
Fire clay brick have High refractoriness; Good thermal shock resistance;Corrosion resistance ;Wear resistance; scour resistance; High strength; Volume stability etc Characteristics.
Company information
Our company is the specialized manufacturer and exporter of refractory and insulation materials in China. Our products mainly include Fire clay brick, High alumina brick,Insulation brick, Refractory castable, Refractory raw materials, primarily export to Europe, East Asia, Southeast Asia, America, Middle East, Australia and Africa etc.