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Acid resistant refractory castable is able to resist to the corrosion of 800-1200℃ acid medium castable refractory. It is made up of water glass as binding agent, acid or semi-acid refractory as aggregate and powder, added a small amount of coagulant.
Applications:
In metallurgy, chemical industry, petroleum, light industry and other thermal equipment is widely used.
Properties:
1.High temperature resistance.
2.High tensile strength.
3.Acid erosion resistance.
4.Great uniformity.
5.Resistant to high humidity.
6.High content of water and anchoring agent.
7.High compression ratio.
| Index | NS-1.6 | NS-1.8 | NS-2.0 |
| SiO2(%)≥ | 45 | 48 | 52 |
| Bulk Density (g/cm3)≥ | 1.6 | 1.8 | 2 |
| Cold Crushing Strength (MPa) ≥ | 5 | 8 | 10 |
| Acid resistance (%)≥ | 95 | 95 | 95 |
| Thermal Conductivity(350±25℃,W/m·k)≤ | 0.5 | 0.55 | 0.6 |
| Application (℃) | 800 | 900 | 1000 |