High Strength Castable Refractories
MOQ: 5 tons
Description
High strength castables are composed of high-strength aggregates and powdered mineral additives. Due to the addition of high-molecular polymers, the base concrete is firmly bonded.
It can be used by adding water and stirring on site. It has good construction and work ability. A certain thickness of anti-wear layer is formed on the surface of the silo or ore trough by manual plastering. After normal maintenance, This refractory castable can meet the technical requirements and has abrasion resistance. High, high bonding strength with basic concrete (steel silo), strong impact resistance, high compressive strength, good durability, long service life, etc.
Features
High strength castable refractories has the following characteristics：
High refractoriness
Good slag resistance and corrosion resistance
High strength and wear resistance
Good thermal shock stability
Good hot strength
Application
High strength castable refractories are specially used for lining the anti-wear layer of slag ditch, mine trough, coal discharging trough, hopper and material silo in metallurgy, coal, thermal power, chemical industry and cement industries, and for the anti-wear layer of flood sluice and unloading hopper in water conservancy, hydropower, port and other projects, so as to protect the foundation concrete.
Physical And Chemical Indicators
|
Brand |
HCA-180 |
HCA-170 |
HCA-160 |
HCA-150 |
HCA-140 |
|
|
Application Limit Temp℃ |
1,800 |
1,700 |
1,600 |
1,500 |
1,400 |
|
|
Bulk Density (g/cm3) |
2.95 |
2.45 |
2.3 |
2.15 |
2.1 |
|
|
Water Required for Casting(%) |
8-11 |
10-14 |
10-14 |
11-15 |
11-15 |
|
|
CCS/MOR(MPa) |
at110℃x24h |
60(10) |
45(8.5) |
40(8) |
40(8) |
35(6) |
|
at1,200℃x3h |
55(9.5) |
50(9) |
45(8.5) |
50(9) |
40(8) |
|
|
at1,400℃x3h |
80(15) |
55(10) |
50(9) |
55(9.5) |
45(8.5) |
|
|
Permanent Linear Change(%) |
at110℃x24h |
-0.03 |
-0.06 |
-0.06 |
-0.06 |
-0.06 |
|
at1,200℃x3h |
-0.1 |
-0.2 |
-0.2 |
-0.15 |
-0.15 |
|
|
at1,400℃x3h |
0.4 |
-0.3 |
-0.2 |
-0.3 |
-0.4 |
|
|
Chemical Analysis(%) |
Al2O3 |
91 |
76 |
63 |
52 |
48 |
|
SiO2 |
1.5 |
15 |
27 |
40 |
44 |
|
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