The appropriative refractory castable for tertiary air duct has the characteristics of high strength, good wear resistance, erosion resistance, erosion resistance and no cracking.
The appropriative refractory castable for tertiary air duct has the characteristics of high strength, good wear resistance, erosion resistance, erosion resistance and no cracking.
|
Items |
CH-FJZ65 |
CH-FJZ75 |
CH-FJZ80 |
|
|
AL2O3 /% ≧ |
65
|
75
|
80 |
|
|
Bulk density (110℃×24h) g/cm3 ≥ |
2.6 |
2.7 |
2.8 |
|
|
Flexural strength/ MPa ≥
|
110℃×24h |
11 |
12 |
13 |
|
1400℃×3h |
11 |
12 |
13 |
|
|
Compressive strength/ MPa ≥
|
110℃×24h |
90 |
100 |
120 |
|
1400℃×3h |
90 |
100 |
120 |
|
|
Permanent Linear Change /% (1100℃×3h) ≤ |
±0.5 |
±0.5 |
±0.5 |
|
|
Maximum Service temperature/℃ |
1450 |
1500 |
1600 |
|
Castables for Iron Runner use dense corundum, brown corundum, high-quality rock, and high-quality SiC as the main raw materials. Castables for Iron Runner is made of low-cement and ultra-low-cement castable technology.
Zhengzhou Caihua can supply carbon contained and carbon free repairing mixes. The carbon contained repairing mix is characterized with good flowability, good adhesion and long service life.
Castables for ladle working layer is made from high purity corundum, magnesium aluminate spinel and fused MgO as main aggregates, superfine powder bonding technology and appropriate additives.
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