Low Cement High Alumina 65% Refractory Castable Material For High Temperature Kiln
Brand Name:CH Refractories
Certification:ISO
Model Number:LCC
Minimum Order Quantity:1 Ton
Delivery Time:5-15 working days
Payment Terms:L/C, T/T
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Thermal Shock Resistance Low Cement Castable High Alumina Castable For High Temperature Kiln
Low Cement Castable
Low cement refractory castable made by CH Refractories with three
levels, which are high aluminum low cement castable, mullite low
cement castable and corundum low cement castable. The low cement
fireproof castable is mainly used for cement kiln masonryespecially
for kiln mouth, kiln door cover, cooler, tertiary air duct and coal
injection pipe.
The low cement castable made by CH Refractories can be made into
fast drying explosion-proof castable according to baking time
requirements, which has following advantages comparing with common
refractory castable:
. The water consumption is less, only 1/2-1/3(about 5-7%) of common
refractory castables, so the bulk density is high, the porosity is
low, no obvious dehydration stage when baking, and the thermal
shock performance is good, which is comparable to the sintered
products.
. The high temperature performance and slag resistance of the
material are improved compare with common refractory castable,
because the amount of cement is greatly reduced,
. After curing, there are few hydrates or anhydrous compounds, and
no hydration bond is destroyed during baking, which affects the
medium temperature strength or high temperature strength.
| Items | High aluminum | Mullite | Corundum | |
| / | CH-LCC65 | CH-LCC70 | CH-LCC85 | |
| AL2O3% | 65 | 70 | 85 | |
| Bulk density (110℃×24h) g/cm3 | 2.5 | 2.6 | 2.8 | |
| Flexural strength/ MPa ≥ | 110℃×24h | 10 | 11 | 12 |
| 1400℃×3h | 12 | 13 | 14 | |
| Compressive strength/MPa ≥ | 110℃×24h | 80 | 90 | 100 |
| 1400℃×3h | 90 | 90 | 100 | |
| PLC(1400℃×3h)/ % | 0.5 | 0.5 | 0.5 | |
| Maximum Service temperature/℃ | 1500 | 1550 | 1600 | |
Applications of Low Cement Castable:
Cement kiln
Heating furnace
Recirculating fluidized bed boiler
Chemical industry and construction industry
Tundish lining
Advantages of Low Cement Castable:
Higher strength than common castable
Made from high quality raw material
Excellent strength at various temperatures
Good thermal shock resistance
Manufacturing process of Low Cement Castable:
Low Cement High Alumina 65% Refractory Castable Material For High Temperature Kiln
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