China Durable High Quality Refractory Aluminate Cement for High Temperature Places Ca50 725, Find details about China Refractory, Aluminate Cement from Durable High Quality Refractory Aluminate Cement for High Temperature Places Ca50 725
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 | ||||