Refractory brick SK-34
This product could be use for build kiln with the burn temperature range from 1300C-1650C to produce normal alkaline brick, fireclay brick, high alumina brick, sliding plate, nozzle brick and silica 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
Typical 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 75 mm
Technical data
| |
Item | Standard |
AI2O3(%) | 38-42 |
Fe2O3 (%) | 1.9-2.0 |
SiO2 (%) | 52-55 |
Refractoriness (SK) | 34 (1750°C) |
Refractoriness under load, 0.2MPa, Ta, (°C) | 1350 |
Porosity (%) | 18-22 |
Bulk density (g/cm³) | 2.15-2.20 |
Cold crushing strength (MPa) | 30 |
Thermal expansion at 1000°C (%) | 0.6 |
Tolerance - Technical Instruction for Bricks Sampling
1. DIMENSIONAL CONTROL
1 - 100 mm: +/- 1 mm; 101 - 200 mm: +/-2 mm; 201 - 300 mm: +/- 3 mm;
Equal Dimension Difference: 1 mm Max.;
Taper: +/- 1 mm Max.
Warpage: +/- 1 mm Max. ( from diagonal line )