China High Quality Saving Money Refractory Aluminate Cement for Boiler Castable, Find details about China Refractory, Aluminate Cement from High Quality Saving Money Refractory Aluminate Cement for Boiler Castable
Grade Name | Normal grade CA50 | ||||
Type No. | X5 | X6 | X7 | ||
Chemical Component | SiO2 | ≤8 | ≤8 | ≤7.5 | |
Al2O3 | ≥50.0 | ≥50.0 | ≥52.0 | ||
Fe2O3 | ≤2.5 | ≤2.5 | ≤2.0 | ||
R2O | ≤0.4 | ≤0.4 | ≤0.4 | ||
Main crystal phase | CA | ||||
Secondary phase | CA2,C12A7,C2AS,CT | ||||
Residue after 325Mesh(%) | ≤15 | ||||
Blaine (m2/kg) | ≥300 | ||||
Initial setting time(min) | ≥30 | ||||
Final setting time(h) | ≤6 | ||||
Flexural strength (Mpa) | 1d | 5.5 | 6 | 6.5 | |
3d | 6.5 | 7 | 7.5 | ||
Compressive Strength (Mpa) | 1d | 40 | 45 | 50 | |
3d | 50 | 55 | 60 | ||
Grade Name | High strength CA50 | ||||||
Type No. | X9 | N | FUSED | ||||
Chemical Component | SiO2 | ≤7.0 | ≤7.0 | ≤6.0 | |||
Al2O3 | ≥55.0 | ≥55.0 | ≥55.0 | ||||
Fe2O3 | ≤2.5 | ≤2.5 | ≤2.5 | ||||
R2O | ≤0.4 | ≤0.4 | ≤0.4 | ||||
Main crystal phase | CA | ||||||
Secondary phase | CA2,C2AS | C12A7,C2AS | C12A7,C2AS | ||||
Residue after 325Mesh(%) | ≤15 | ||||||
Blaine (m2/kg) | ≥400 | ≥350 | ≥400 | ||||
Initial setting time(min) | ≥90 | ≥30 | ≥120 | ||||
Final setting time(h) | ≤6 | ≤6 | ≤8 | ||||
Flexural strength (Mpa) | 6-8h | - | 4 | 4 | |||
1d | 8 | 6 | 10 | ||||
3d | 10 | 7 | 11 | ||||
Compressive Strength (Mpa) | 6-8h | - | 30 | 30 | |||
1d | 70 | 50 | 75 | ||||
3d | 80 | 60 | 80 | ||||