Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
Add to Cart
Fire Brick Features
1. Low bulk density, low thermal conductivity, good thermal insulation performance.
2. Refractory category allow direct contact of fire, suitable for various atmosphere
3. Good integrity with furnace lining, long service life, easy operation, could be shaped freely
4. Product specification: standard form, normal standard, shaped and special shaped bricks.
5. Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used.
Fire Brick Applications
1. Furnaces of metallurgy industry, heat treatment furnace
2. Furnaces of chemical industry and construction industry.
3. Furnace of incineration of garbage, recirculating fluidized bed furnace
Standard sizing: 230 x 114 x 65 mm others up to the client
Fire Brick
| Item | AL-30 | AL-34 | AL-38 | AL-45 | AL-55 |
| AL2O3(min) | 30 | 34 | 38 | 45 | 55 |
| Fe2O3(max) | 2.5 | 2.5 | 2.0 | 2.0 | 2 |
| Refractoriness | 1670°C | 1710°C | 1750°C | 1770°C | 1770°C |
| Refractoriness under load,0.2MPa,(°C) | 1250 | 1300 | 1350 | 1450 | 1470 |
| Apparent porosity(%) | 22-26 | 22-26 | 20-24 | 20-22 | 20 |
| Bulk density(g/cm3) | 1.9-2.1 | 1.95-2.1 | 2.1-2.2 | 2.15-2.22 | 2.2-2.35 |
| Cold crushing strength(Mpa) | 25 | 20 | 30 | 35 | 40 |
| Thermal expansion at 1000(%) | 0.8 | 0.6 | 0.6 | 0.5 | 0.4 |
