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fire cement
1.high strength
2.can be harden quickly
3. erision-resistance
4.high refractoriness
Specifications of fire cement
Cement Refractory Cement
Calcium Aluminate Cement (CA-50;CA-70;CA-80)
High Alumina Cement
high strength
Calcium Aluminate Cement (CA-50;CA-70;CA-80)
High Alumina Cement
high strength
Cemant Refractory cement (Calcium Aluminate Cement )(CA-50)
Al2O3: 50% min SiO2:8% max Fe2O3: 2.5% max
Blaine specific surface area: 300m2/kg
Initial setting time: 30 min min
Final setting time: 6 h max
Flexural strength: 1day 5.5MPa min; 3 days 6.5 MPa min
Compression strength: 1 day 40 MPa min; 3 days 50 MPa min
Packing: 50 kgs bag
|
characteristic |
unit |
result |
|
|
Chemical |
SIO2 |
% |
7.72 |
|
AL2O3 |
% |
51.4 |
|
|
Fe2O3 |
% |
1.5 |
|
|
Setting Time |
IS |
minu |
135 |
|
FS |
minu |
163 |
|
|
Breaking Strength |
One day |
Mpa |
7.5 |
|
Three days |
Mpa |
8.2 |
|
|
Compressive Strength |
One day |
Mpa |
56.8 |
|
Three days |
Mpa |
63 |
