China Hot Seller High Alumina Refractory Cement for Castable or Mortar, Find details about China Refractory, Aluminate Cement from Hot Seller High Alumina Refractory Cement for Castable or Mortar
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 | ||||