Refractory Cement CA70S
- Al2O3(%): 68.5-70.5
- CaO(%): 28.5-30.5
- Compressive Strength (72hrs) (MPa):45-55
- Final Setting Time (min): 240-330
- Certification: ISO9001/ISO14001/ISO45001/ISO50001
- Sample: testing of sample is available
Description of Refractory Cement CA70S
CA70W has short setting times and higher early strength, so it is suitable to be used in low temperature environment especially in wintertime and other urgent occasion such as rapid installation or emergency maintenance etc.
Kerui Refractory Cement CA70S
Chemical Analysis (%)
| SiO2,% | Al2O3, % | Fe2O3, % | CaO, % | MgO, % | R2O, % | S, % | CL, % |
|---|---|---|---|---|---|---|---|
| ≤ | ≥ | ≤ | - | - | ≤ | ≤ | ≤ |
| 0.1 | 68 | 0.7 | 28.5-29.5 | - | 0.4 | 0.1 | 0.06 |
Typical Physical Properties
| Methods | Units | Usual range | Specification limit | ||||
|---|---|---|---|---|---|---|---|
| Fineness | d50, μm | 11-14 | ≤14 | ||||
| 325M, % | - | ≤8 | |||||
| S, m²/kg | 380-420 | ≥350 | |||||
| Setting Time | Initial Setting Time, min | 240-270 | ≥180 | ||||
| Final Setting Time, min | 300-360 | ≤360 | |||||
| Strength (ISO) | Flexural Strength, Mpa | 1d | 8-10 | ≥5 | |||
| 3d | 11-12 | ≥6 | |||||
| Compressive Strength, Mpa | 1d | 45-55 | ≥30 | ||||
| 3d | 60-70 | ≥40 | |||||
| Refractoriness, ℃ | 1580-1620 | ||||||
| Workable time | Longer | ||||||
