Refractory High alumina cement is a common high-temperature building material. The main components of high-alumina cement are alumina, iron oxide, etc., which have certain high-temperature resistance properties. Therefore, they are widely used in industrial boilers, coal mine furnaces, cement kilns, glass kilns and other industries. widely used in. So, let's introduce the characteristics of high alumina cement in detail below.
1. High strength: Compared with other cements, refractory high alumina cement has higher compressive strength, flexural strength and wear resistance, making it widely used in many high temperature and wear situations.
2. Good fire resistance: High alumina cement can withstand high temperatures and resist chemical corrosion, so it can effectively protect equipment from melting and softening in high temperature environments, and at the same time, it can effectively accelerate heating and insulation effects.
3.Good setting: High alumina cement contains high alumina, so its setting time is short, and the grout will solidify quickly after construction.
4. Good cementation: High alumina cement has good cementation and hardening properties, and its surface waterproofing, fireproofing and chemical corrosion resistance are obvious after pouring and curing.
5. Chemical stability: High alumina cement has good corrosion resistance in high temperature, acid and alkali environments, and will not produce excessive chemical changes and products even in long-lasting sunlight and rain.
In summary, refractory high alumina cement is a special-purpose refractory cement that is widely used in the refractory industry. Refractory material high alumina cement has many superior properties and has good properties such as withstanding high temperature, high pressure and chemical corrosion. With the continuous development of modern technology, the quality and performance of refractory high-alumina cement will become more popular and improved, becoming a must-have item in more industries. We are committed to providing our customers with the highest quality refractory materials,refractory high alumina cement and other refractory materials. If necessary, contact us today and let us help you find the perfect solution for your needs!
Conventional Castable Product Data
|
Type |
Cast 13 |
Cast 13ES |
Cast 15 |
Cast 16ES |
Cast 17CG |
Cast 17MT |
Cast 18 |
|
Maximum service temperature (℃) |
1300 |
1300 |
1500 |
1600 |
1700 |
1700 |
1800 |
|
Maximum Grain Size of Aggregates (mm) |
5 |
5 |
5 |
5 |
12.5 |
5 |
5 |
|
Approximate Weight Required for Casting kg/m³) |
2010-2020 |
2010-2120 |
2200-2210 |
2300-2350 |
2500-2580 |
2550-2600 |
2700-2730 |
|
Approximate Amount of water required for Casting(%) |
10-12 |
10-12 |
10-12 |
10-12 |
10-12 |
10 |
10-12 |
|
Bulk Density after Drying at 110℃(kg/m³) |
2050-2070 |
2110-2120 |
2250-2260 |
2350-2400 |
2640-2650 |
2500-2550 |
2800-2820 |
|
Cold crushing strength after Drying at 110℃ (MPa) |
35-38 |
40-45 |
30-32 |
40-50 |
38-40 |
35-38 |
49-50 |
|
Modulus of rupture after Drying at 110℃(Kg/㎡) |
60-70 |
70-80 |
70-75 |
70-75 |
80-85 |
70-80 |
100-120 |
|
Reheat test ,Permanent linear change After heating at 1260℃(%) |
+0.5 |
+0.5 |
-0.5 |
-0.5 |
-0.5 |
-0.5 |
-0.18 |
|
SiO2 (%) |
57.1 |
47.5 |
45.0 |
33.1 |
6.5 |
6.3 |
0.5 |
|
Al2O3 (%) |
29.5 |
32.4 |
48.6 |
61.6 |
85.8 |
85.5 |
92.1 |
|
Fe2O3 (%) |
4.2 |
6.0 |
1.2 |
1.5 |
1.4 |
1.4 |
0.5 |
Low Cement Castable Product Data
|
Type |
C70 |
NEO165 |
C82 |
|
Maximum service temperature (℃) |
1600 |
1650 |
1700 |
|
Maximum Grain Size of Aggregates (mm) |
12.5 |
12.5 |
12.5 |
|
Approximate Weight Required for Casting kg/m³) |
2400-2430 |
2550 |
2600-2630 |
|
Approximate Amount of water required for Casting(%) |
5.0-5.5 |
5.0 |
5.0-5.5 |
|
Bulk Density after Drying at 110℃(kg/m³) |
2430-2440 |
2560 |
2630-2640 |
|
Cold crushing strength after Drying at 110℃ (Mpa) |
52-55 |
80-90 |
34-35 |
|
Modulus of rupture after Drying at 110℃(Kg/㎡) |
60-65 |
62-65 |
40 |
|
Reheat test ,Permanent linear change After heating at 1260℃(%) |
-0.05 |
-0.15 |
-0.40 |
|
SiO2 (%) |
36.1 |
22.4 |
13.1 |
|
Al2O3 (%) |
61.2 |
70.1 |
82.5 |
|
Fe2O3 (%) |
1.2 |
1.3 |
1.2 |
|
Cao |
﹣ |
﹣ |
1.5 |
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