Release time: 2017-11-14 13:26:42 Page viewed: 316
calcium aluminate high aluminate cement
casble refractories is product that is used in various part of furnace as monolithic refractories that added hydraulic alumina cement to refractory aggregate, our company is producting suitable product to installation and working condition through a quality control,this product which is mining alumina cement for using various dispersants and chemical resistance .It widely used in part of various industrial furnace including incinerator ,non-ferrous metal furnace etc.
characteristics:
1. The dosage of cement is low, the content of calcium only accounts for 1/4-1/3 of common Refractory Castable
2. Wter
consumption rate during the construction is almost 1/2 or 1/3 of the
common Refractory Castable, so the Low Cement Refractory Castable has
high density and low porosity.
3. High
normal temperature cure property, intensity will be increased after
medium temperature and high temperature. Three or five times more than
common Refractory Castable.
4. Good volume stability under high temperature.
Application:
Material for metallurgy, petroleum, chemical and other industries kilns
Part of refining installation, like ladle cover
Insert for roof of the kiln
Specification of the castable
Properties Brand |
Alumina |
||||||
CA-180S |
CA-180 |
CA-175 |
CA-170 |
CA-165 |
CA-160 |
||
Working temperature (℃) |
1800 |
1800 |
1750 |
1700 |
1650 |
1600 |
|
Bulk density(g/cm3) |
2.90 |
2.85 |
2.80 |
2.50 |
2.30 |
2.15 |
|
Cold crushing strengh (Mpa) |
110℃x24h |
90 |
60 |
60 |
50 |
50 |
40 |
200℃x3h |
80 |
70 |
70 |
40 |
35 |
35 |
|
400℃x3h |
100 |
80 |
100 |
80 |
80 |
70 |
|
Perment Linear Change (%) |
110℃x24h |
-0.03 |
-0.03 |
-0.06 |
-0.06 |
-0.06 |
-0.06 |
200℃x3h |
-0.10 |
-0.10 |
-0.15 |
-0.20 |
-0.02 |
-0.16 |
|
400℃x3h |
-0.20 |
-0.20 |
-0.10 |
-0.80 |
-1.0 |
-1.0 |
|
Thermal Conductivity (w/m.k) |
@400℃ |
0.95 |
0.95 |
0.92 |
0.80 |
0.72 |
0.68 |
@400℃ |
1.1 |
1.05 |
1.02 |
0.90 |
0.85 |
0.88 |
|
Chemical composition |
Al2O3(%) |
92 |
88 |
82 |
62 |
55 |
50 |
SiO2(%) |
- |
- |
10 |
29 |
40 |
43 |
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