Product description
Castable refractory cement 50 lbs is mainly used for: preparing traditional medium and high cement castables, lightweight refractory castables, making refractory castable prefabricated blocks, refractory spray coatings, alkali-resistant castables, quick repair coatings, ordinary high-aluminum Production of quality castables and slag retaining balls, etc.
Castable refractory cement 50 lbs is very simple to use. It can be hardened after mixing with water. Generally, there is no need to add other binders. You can add some refractory aggregates and powders. If refractory cement is simply used, a lot of cracks will occur after high temperatures. It can be used Cement various refractory aggregates (such as corundum, calcined high alumina bauxite, etc.) to make refractory mortar or concrete, which is used as lining for cement rotary kilns and other industrial kilns.
Cement with a refractory degree of not less than 1580°C is refractory cement. Refractory cement is also called aluminate cement. Aluminate cement is made of bauxite and limestone as raw materials. It is made by calcining calcium aluminate as the main component and oxidized. Clinker with an aluminum content of about 50% is ground into a hydraulic cementitious material. Refractory cement can be divided into aluminate refractory cement, low calcium aluminate refractory cement, calcium magnesium aluminate cement and Baiyun according to different compositions. Stone refractory cement, etc.
Chemical and physical index of castable refractory cement 50 lbs
|
Brand |
CA50- A600 |
CA50-A700 |
CA50-A900 |
CA-70 |
|
|
Chemical Composition (%) |
Al2O3 |
≥50 |
≥51 |
≥53.5 |
68.5-70.5 |
|
SiO2 |
≤7.8 |
≤7.5 |
≤5.5 |
≤0.5 |
|
|
Fe2O3 |
≤2.5 |
≤2.5 |
≤2.5 |
≤0.2 |
|
|
CaO |
/ |
/ |
/ |
28.5-30.5 |
|
|
MgO |
/ |
/ |
/ |
≤0.4 |
|
|
R2O |
≤0.4 |
≤0.4 |
≤0.4 |
≤0.4 |
|
|
S |
≤0.1 |
≤0.1 |
≤0.1 |
/ |
|
|
Cl |
≤0.1 |
≤0.1 |
≤0.1 |
/ |
|
|
325 mesh residue on sieve(%) |
≤15 |
≤12 |
≤8 |
/ |
|
|
d50(μm) |
/ |
/ |
/ |
11-14 |
|
|
-45μm(%) |
/ |
/ |
/ |
≤8.0 |
|
|
Specific Surface (m2/kg) |
≥300 |
≥320 |
≥350 |
/ |
|
|
Setting time(h:min) |
Initial setting (min) |
≥45 |
≥60 |
≥90 |
120-180 |
|
Final Setting (min) |
≤6 |
≤6 |
≤6 |
150-240 |
|
|
Cold Modulus of Rupture (MPa) |
24 hour |
≥6 |
≥6.5 |
≥8 |
7.5-10 |
|
72 hour |
≥7 |
≥7.5 |
≥10 |
10-12 |
|
|
Cold Crushing Strength (Mpa) |
24hour |
≥45 |
≥55 |
≥72 |
40-50 |
|
72hour |
≥55 |
≥65 |
≥82 |
45-55 |
|
Packages:
Factory introduction
Zhengzhou Caihua Kiln Masonry Installation Co., Ltd, be called for short of CH Refractories was founded in 1984, have advanced process equipment and raw material preparation system.
A full set of refractories conventional testing equipment, can ensure the quality before sending to customers.
CH Refractories mainly produce refractory materials for metallurgical, coking, cement industry, electric power industry, chemical and general industrial furnaces. Annual production of a variety of shaped and unshaped refractory materials 120,000 tons. The refractory products exported to Middle east, South America, Middle Asia, Southeast Asia, Africa and other regions.
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Chemical and physical index of castable refractory cement 50 lbs
|
Brand |
CA50- A600 |
CA50-A700 |
CA50-A900 |
CA-70 |
|
|
Chemical Composition (%) |
Al2O3 |
≥50 |
≥51 |
≥53.5 |
68.5-70.5 |
|
SiO2 |
≤7.8 |
≤7.5 |
≤5.5 |
≤0.5 |
|
|
Fe2O3 |
≤2.5 |
≤2.5 |
≤2.5 |
≤0.2 |
|
|
CaO |
/ |
/ |
/ |
28.5-30.5 |
|
|
MgO |
/ |
/ |
/ |
≤0.4 |
|
|
R2O |
≤0.4 |
≤0.4 |
≤0.4 |
≤0.4 |
|
|
S |
≤0.1 |
≤0.1 |
≤0.1 |
/ |
|
|
Cl |
≤0.1 |
≤0.1 |
≤0.1 |
/ |
|
|
325 mesh residue on sieve(%) |
≤15 |
≤12 |
≤8 |
/ |
|
|
d50(μm) |
/ |
/ |
/ |
11-14 |
|
|
-45μm(%) |
/ |
/ |
/ |
≤8.0 |
|
|
Specific Surface (m2/kg) |
≥300 |
≥320 |
≥350 |
/ |
|
|
Setting time(h:min) |
Initial setting (min) |
≥45 |
≥60 |
≥90 |
120-180 |
|
Final Setting (min) |
≤6 |
≤6 |
≤6 |
150-240 |
|
|
Cold Modulus of Rupture (MPa) |
24 hour |
≥6 |
≥6.5 |
≥8 |
7.5-10 |
|
72 hour |
≥7 |
≥7.5 |
≥10 |
10-12 |
|
|
Cold Crushing Strength (Mpa) |
24hour |
≥45 |
≥55 |
≥72 |
40-50 |
|
72hour |
≥55 |
≥65 |
≥82 |
45-55 |
|
