The appropriative fireproof castable for kiln door is a high-performance castable developed according to the working conditions of the rotary kiln. Appropriative refractory castable for kiln door has good performance of volume stability, high strength, good wear resistance, thermal shock resistance, corrosion resistance，anti-stripping when using.
The appropriative fireproof castable for kiln door is a high-performance castable developed according to the working conditions of the rotary kiln. Appropriative refractory castable for kiln door has good performance of volume stability, high strength, good wear resistance, thermal shock resistance, corrosion resistance，anti-stripping when using.
|
Items |
CH-YKJZ70 |
CH-YKJZ75 |
|
|
AL2O3 /% ≧ |
70 |
75 |
|
|
SiO2 / % ≥ |
2.6 |
2.7 |
|
|
Bulk density (110℃×24h) g/cm3 ≥ |
10 |
12 |
|
|
Flexural strength/ MPa ≥ |
110℃×24h |
11 |
13 |
|
1100℃×3h |
80 |
90 |
|
|
Compressive strength/ MPa ≥
|
110℃×24h |
90 |
100 |
|
1100℃×3h |
±0.5 |
±0.5 |
|
|
Permanent Linear Change /% (1100℃×3h) ≤ |
1600 |
1650 |
|
|
Alkai resistance |
±0.5 |
±0.5 |
|
|
Maximum Service temperature/℃ |
1600 |
1650 |
|
EAF tap-hole filler is developed with magnesite, forsterite and silica as the main materials according to different requirements, and shows the features of easy installation, good sintering, floating resistance, high self-open rate and good safety performance.
Precast blocks for EAF roof is made by steel fibre reinforced ultra-low cement castables with corundum, spinel and mullite as the main materials, and characterized with high strength, good thermal shock resistance, good erosion resistance and long service life.
Wear-resistant plastic, which is made of special grade alumina, mullite, corundum, siliconcarbide as aggregate and matrix material, mixed by adding binder, additive and plasticizer.
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