Description of High Refractoriness Spraying Mass For Kiln

Spraying mass is a kind of refractory material that depends on pneumatic tools for spraying construction. It is mainly used for new refractory lining of components and repairing damaged lining. It can be divided into light, semi light, heavy gunning materials and alkaline patching materials according to the raw materials used and the role of use. It has the characteristics of convenient construction, high work efficiency, labor saving and so on.

Product Specification of High Refractoriness Spraying Mass For Kiln
Item Light Or Semi-light Heavy Alkali
QP-0.8 QP-1.3 QP-1.8 ZP-40 ZP-50 ZP-60 MP MGP
Al2O3 % ≥30 ≥40 ≥45 ≥40 ≥50 ≥58 / /
MgO % / / / / / / ≥80 60~70
CaO % / / / / / / / 20~40
Bulk Density g/cm3
110℃×24h
≤0.8 ≤1.3 ≤1.8 ≥2.0 ≥2.1 ≥2.3 1.8~2.1 1.8~2.0
Cold Crushing strength MPa 110℃×24h ≥4 ≥7 ≥15 ≥25 ≥35 ≥35 ≥5 ≥5
Temp×3h ≥3 800 ≥5 1200 ≥13 1300 ≥25 1000 ≥30 1000 ≥30 1000 ≥10 1500 ≥8 1500
Permanent Linear Change Rate % ±0.8 800 ±0.8 1200 ±0.8 1300 ±0.5 1000 ±0.5 1000 ±0.5 1000 -0.5~1.0 1500 -0.5~1.0 1500
Thermal conductivity W/(m·K)
350±25℃
≤0.21 ≤0.35 ≤0.70 / / / / /


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