Refractory Cement CA80S
- Al2O3(%): 78.0-81.0
- CaO(%): 17.5-20.5
- Compressive Strength (72hrs) (MPa):40-50
- Final Setting Time (min): 270-360
- Certification: ISO9001/ISO14001/ISO45001/ISO50001
- Sample: testing of sample is available
Description of Refractory Cement CA80S
CA80S has good fluidity, long workable time and low water demand, ideal to produce castables of good working ability and excellent mechanical strength property without any additives, also it suits very well to be used in high temperature environment or hot summer time.
Kerui Refractory Cement CA80S
Chemical Analysis
| SiO2,% | Al2O3, % | Fe2O3, % | CaO, % | MgO, % | R2O, % | S, % | CL, % |
|---|---|---|---|---|---|---|---|
| ≤ | ≥ | ≤ | - | - | ≤ | ≤ | ≤ |
| 0.5 | 77 | 0.7 | 18.5-20.5 | - | 0.4 | 0.1 | 0.06 |
Typical Physical Properties
| Methods | Units | Usual range | Specification limit | ||||
|---|---|---|---|---|---|---|---|
| Fineness | d50, μm | 5-8 | ≤9 | ||||
| 325M, % | - | ≤5 | |||||
| S, m²/kg | 450-500 | ≥450 | |||||
| Setting Time | Initial Setting Time, min | 210-270 | ≥180 | ||||
| Final Setting Time, min | 260-320 | ≤360 | |||||
| Strength (ISO) | Flexural Strength, Mpa | 1d | 5.5-7.5 | ≥4.0 | |||
| 3d | 7-9 | ≥5.0 | |||||
| Compressive Strength, Mpa | 1d | 35-45 | ≥25 | ||||
| 3d | 50-60 | 30 | |||||
| Refractoriness, ℃ | 1750-1800 | ||||||
| Workable time | Longer | ||||||
