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Spray patching material can be in the cold and hot state of the main ditch maintenance and local position of the whole line of fast repair, with good construction performance, high temperature resistance, high densification, good resistance to penetration, good thermal shock stability, oxidation resistance, resistance to slag and iron erosive and scouring performance, to extend the service life of the main ditch and to reduce the labor intensity of the advantages of the main ditch.
Technical Parameters
Testing Program | Physical and chemical indicators | Typical value | Inspection Standards | |||
bulk density (g/cm³) | 110℃×24h | ≥2.25 | 2.55 | YB/T 5200 | ||
compressive strength (Mpa) | 110℃×24h | ≥15 | 17.8 | YB/T 5201 | ||
1450℃×3h | ≥25 | 27.4 | ||||
chemical composition（%） | Al₂O₃ | - | ≥55 | 57.1 | GB/T16555 | |
SiC | - | ≥16 | 18.2 | |||
