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It is made of aluminum silicate material,silicon carbide ,major raw materials and additives with anti-crust properties of refractory castable
| Item | Coating resistant refractory castable | ||||
| KJP-25 | KJP-35 | KJP-45 | KJP-55 | ||
| Max. Working temperature ℃ ≥ | 1300 | 1400 | 1400 | 1400 | |
| Chemical component % | SiC ≥ | 25 | 35 | 45 | 55 |
| Bending Strength Mpa
|
After burning ,1100 ℃*3h | ≥6 | ≥7 | ≥8 | ≥10 |
| Normal temperature Bending Strength Mpa | After burning ,1100 ℃*24h | ≥55 | ≥60 | ≥65 | ≥70 |
| After burning ,1100 ℃*3h | ≥55 | ≥60 | ≥65 | ≥70 | |
| Normal temperature Bending Strength Mpa | 1100 ℃ | ≥7 | ≥7 | ≥8 | ≥8 |
| Heating permanent line change % | After burning ,1100 ℃*3h | -0.4~+0.4 | -0.4~+0.4 | -0.3~+0.3 | -0.3~+0.3 |
| Coating resistant prosperity | After burning ,1100 ℃*3h | Third degree | Second | Second | First |
| Alkali resistance | After burning ,1100 ℃*5h | Second | Second | First | First |