Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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Thermal Insulation Refractory Fire Bricks High Alumina Brick For Glass Furnace
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: |
DN-10 |
DN-12 |
DN-15 |
DN18 |
|
Al2O3 % ≥ |
45 |
45 |
42 |
42 |
|
Fe2O3 % ≤ |
1.00 |
1.20 |
1.65 |
1.80 |
|
Apparent porosity % ≤ |
10 |
12 |
15 |
18 |
|
Bulk density g/cm3 ≥ |
2.40 |
2.37 |
2.30 |
2.25 |
|
Cold crushing strength, Mpa ≥ |
70 |
65 |
60 |
48 |
|
Refractoriness,≥ |
1750 |
1750 |
1750 |
1750 |
|
0.2Mpa refractoriness under load T0.6≥ |
1500 |
1470 |
1450 |
1400 |
|
Permanent linear change %, 1400×2h |
0.10.5 |
0.10.5 |
0.20 |
0.40 |
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