
Copper concentrate smelting furnace fireplace use refractory fire
bricks
Features
1. Low bulk density, low thermal conductivity, good thermal
insulation performance.
2. Refractory category allow direct contact of fire, suitable ofr
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.
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
Specifications:
Physical and chemical indexes:
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 | 1300 | 1360 | 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 |
Competitive Advantage:
Zhengzhou Rongsheng Refractory Co., Ltd.
Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc.
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