Used refractory fire bricks for Sale
Used refractory fire bricks for Sale
1 Al2O3: 50~55%
2 Standard size in stock
3 Special shape available
4 Factory supply&Reliable quality
Factory supply clay brick
Category of Refractory Brick/Fire Brick:
a) According the made method, it can be divided into burnt brick, unburned brick, and electric smelting brick.
b) According the shape and size, it can be divided into standard brick, general brick and abnormal shape brick.
c) According the content of the Al2O3, it can be divided into fire clay brick and high alumina firebrick.
Used refractory fire bricks for Sale
Item | SK38 | SK37 | SK34 | SK34 |
Al2O3 % | ≥75 | ≥65 | ≥55 | ≥48 |
Cold crushing strength ,MPa | ≥54 | ≥49 | ≥44 | ≥40 |
Apparent porosity ,% | ≤23 | ≤23 | ≤22 | ≤22 |
Refractoriness under load , °C | ≥1520 | ≥1500 | ≥1470 | ≥1420 |
Reheating linear change (1500°C,2h) % | +0.1-0.4 | +0.1-0.4 | +0.1-0.4 | (1450°C,2h)+0.1-0.4 |
Refractoriness °C | >1790 | >1790 | >1770 | >1750 |
Applications of Used refractory fire bricks for Sale
1. Carbon bake furnace in the aluminium industry
2. Preheat zones and cyclones of rotary cement kilns
3. Primary reformers in fertilizer production
4. Insulation for glass tanks
5. Coke ovens
6. Blast furnace
7. Reheating furnace
8. Suspended roofs
9. Lime kilns
10. Domestic fireplaces, barbeques and outdoor ovens
Production process of Used refractory fire bricks for Sale
1) Generally, Rrfractory firebrick SK36 was molded by dry pressing.
2) By means of mixing the material uniformity in proportion and ageing mixture some time. Then, pour some powders into the mold and dry pressing.
3) After dry pressing, the adobe needs to be pushed in the drying kiln to stove or stay in the air to dry. This progress will need about 3-5 days.
4) After this progress, then push the adobe into the tunnel furnace or shuttle kiln to burn around 1300C. This progress will be need about 5-7 days.
5) After burning, the finished Rrfractory Firebrick SK36 will be packed on pallet.
Size of Used refractory fire bricks for Sale
Shape is available according to your drawings.
Used refractory fire bricks are packed on stadard export wooden pallet with papers in each layer, thick paper on the five sides, and PVC film wrapped outside of the whole pallet.
1. Dengda enterprise is refractory business mogul in China.
2. Quality is our culture.
3. Our sales pitch is with us your money in safe your business in safe.
4. We have professional automatic production line and stuff who is making high quality in short time.
5. We will sign contract with you to be more safe.
6. We produce according to your detail specifications.
7. The good business start here!