refractory clay brick (SK32)
Detailed Product Description
Double Egret China Inc.
DOUBLE EGRET is the specialized manufacturer and exporter of refractory brick in north of China with more than 10 years history. We also provide other insulation and refractory material, including ceramic fiber products, glass wool, rock wool board, insulating brick, calcium silicate board and refractory castable.
We mainly export refractory brick to UK, AUSTRALIA, SPAIN, TURKEY, ITALY etc.
SPECIFICATION:
Item: SK32, SK34, SK36, SK37, SK38
Al content: 38%, 42%, 50%, 65%, 70%
Density: 2.05-2.62g/cm3
Comm size: 230x114x75/65mm
Packing: wooden pallet with shrinkage film, the paper protect angle.
APPLICATION:
Glass furnace, gas furnace
Industrial boiler, heating furnaces
Tunnel kiln, rotary kiln, steel plant
| refractory brick details Physical and chemical properties | |||||
| Item | standard | ||||
| SK-32 | SK-34 | SK-36 | SK-37 | SK-38 | |
| AI2O3(%) | 38 | 42 | 50 | 65 | 70 |
| Fe2O3 (%) | 3 | 2.5 | 2 | 2 | 0.3 |
| Refractoriness (SK) | 32 | 34 | 36 | 37 | 38 |
| Refractoriness under load, 0.2MPa, Ta, ((°C) | 1300 | 1350 | 1450 | 1550 | 1580 |
| Porosity (%) | 22-26 | 19-23 | 20-24 | 23 | 18 |
| Bulk density (g/cm³) | 2.05 | 2.1-2.15 | 2.3-2.4 | 2.5 | 2.62 |
| Cold crushing strength (MPa) | 25 | 25 | 45 | 45 | 51 |
| Thermal expansion at 1000°C (%) | 0.6 | 0.6 | 0.3 | 0.5-0.7 | 0.6 |
