68.5% -70.5% Al2O3 High Alumina Refractory Cement Manufacturing Castable
Brand Name:CH Refractories
Certification:ISO
Model Number:A600 A700 A900 CA70
Minimum Order Quantity:1 Ton
Delivery Time:5-15 working days
Payment Terms:L/C, T/T
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Yuanzhuang Town Industrial Park, Xinmi City, Henan province, China
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High Alumina refractory Cement Calcium Aluminate Cement CA50-A600 Refractory Cement Powder
High Alumina Refractory Cement
The High Alumina Refractory Cement also well known as calcium aluminate cements, and high alumina
castable refractory cement. Generally there are 4 grades of
refractory cement according to Al2O3 content and strength, A600,
A700,A900 and CA-70. The heat resistance cement can be used for
making refractory castable and other high temperature resistant
products.
CH Refractories with 500T manufacturing capacity of High Alumina Refractory Cement one day to make sure delivery to customers in time. The refractory
aluminum cement will be packaged into three layers 25 kg bag and
then into two layers moistureproof polytene jumbo bags directly
from the manufacturing line to protect high temp refractory cement
from wet air.
As professional manufacturer and company of refractory aluminate
cement since 1980, CH refractories company produces and provides
customers with a varied range of high-tech calcium aluminate
solutions benefiting from the highest performance and quality. The
SECAR range offers a large choice of binders based on calcium
aluminate technology for fire proof applications. Through its
understanding of the customer's needs, CH refractories company has
developed one of the widest ranges of aluminate cement for sale on
the market.
Physical and chemical index of High Alumina Refractory Cement
| Brand | A600 | A700 | 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 | |
Applications of High Alumina Refractory Cement:
High Alumina Refractory Cement is mainly used to configure refractory castable such as high
alumina low cement castable which can build or repair furnace or
kiln for heat insulation or high temperature erosion.
Advantages of CH series High Alumina Refractory Cement:
●Fast setting at high temperature
●Increase castable strength
●Can replace castable when using
●Can be added to both heavy and light castable
● Biological acid erosion
● High temperature resistance
●Sulfate corrosion resistance
Packaging & Shelf Life
Refractory cement is available palletized in 25kg bags, or 50kg
bags. super sacks.
Refractory cement packaging is designed to protect it from humidity. However, as with
all hydraulic binders, it is recommended that Refractory cement not be placed outdoors or in direct contact with the ground. When
correctly stored in dry conditions, the properties of Refractory cement will remain within specification limit for at least 6 months. In
most cases, its properties will be retained for over a year.
Manufacturing process of High Alumina Refractory Cement
68.5% -70.5% Al2O3 High Alumina Refractory Cement Manufacturing Castable
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