| Brand Name: | LONGTAI |
|---|---|
| Refractoriness (Degree): | 1770°< Refractoriness< 2000° |
| MgO Content (%): | 92, 95,97 |
| Material: | Magnesia brick |
| Shape: | Brick |
| Place of Origin: | China (Mainland) |
| Size: | 230x114x65mm |
Quick Details
Specifications
Magnesia Brick Features:
1. High refractoriness, multiply mineral composition;
2. Good thermal conductivity, strong slag erosion resistance.
Magnesia Brick Application:
1. The regenerative chamber for the ceramic frit kiln, sodium silicate and glass furnace;
2. The furnace lining of iron and steel industry, such as ferroalloys furnace, metal mixer;
3. The non-ferrous metallurgy industrial furnace lining, such as the furnace copper, lead, zinc, tin, etc;
4. The lining for cement rotary kiln;
5. Calcining kiln, shaft kiln and tunnel kiln for refractory material industry
Magnesia Brick Physiochemical Index
|
product Index |
unit |
magnesia brick |
magnesia-alumina brick |
magnesia zircon brick |
magnesite-chrome brick |
|||||||
|
MZ-92 |
MZ-95 |
MZ-97 |
MZ-80A |
MZ-80B |
MG-1 |
MG-2 |
MGZ-12 |
MGZ-9 |
MGZ-6 |
MGZ-4 |
||
|
MgO ≥ |
% |
92 |
95 |
97 |
80 |
80 |
73 |
77 |
60 |
70 |
75 |
80 |
|
CaO ≤ |
% |
2.5 |
2.0 |
2.0 |
— |
— |
— |
— |
— |
— |
— |
— |
|
Al2O3 ≥ |
% |
— |
— |
— |
5-10 |
5-10 |
— |
— |
— |
— |
— |
— |
|
SiO2 ≤ |
% |
4.0 |
2.0 |
1.0 |
— |
— |
— |
— |
3.2 |
3.0 |
2.8 |
2.5 |
|
ZrO2 ≥ |
% |
— |
— |
— |
— |
— |
12 |
12 |
— |
— |
— |
— |
|
Cr2O3 ≥ |
% |
— |
— |
— |
— |
— |
— |
— |
12 |
9 |
6 |
4 |
|
Apparent porosity≤ |
% |
18 |
18 |
18 |
18 |
20 |
18 |
16 |
19 |
19 |
18 |
18 |
|
Cold crushing strength MPa≥ |
Mpa |
60 |
60 |
60 |
40 |
30 |
65 |
70 |
35 |
40 |
40 |
40 |
|
0.2MpaRefractoriness under loads≥ |
℃ |
1600 |
1600 |
1700 |
1600 |
1580 |
1600 |
1660 |
1580 |
1600 |
1600 |
1600 |
|
linear changes on reheating 1650℃x2h |
% |
+0 -0.5 |
+0 -0.3 |
+0 -0.2 |
— |
— |
— |
— |
— |
— |
— |
— |
|
Bulk density ≥ |
g/cm3 |
2.88 |
2.9 |
3.0 |
2.8 |
2.8 |
3.0 |
3.1 |
3.0 |
2.98 |
2.95 |
2.93 |