Gunning Mass

Product Details

Gunning Mass adapts high-quality magnesia and magnesia calcium sand as the main raw materials and is made by adding compound binders. It has the characteristics of good adhesion, low rebound rate, easy sintering, erosion resistance, and erosion resistance, etc. It is suitable for the spray repair maintenance of the trunnion and slag line of the converter.


MgO (%)≥85≥83≥80≥7763~68
CaO (%)≤4≤4C≥3C≥3≥20
SiO2 (%)≤4 ≤6≤2≤5≤4
Fe2O3 (%)≤1.6≤2≤1.6≤23~5
Critical Particle Size (mm)33333
Max App. Temp. (℃)18001800180018001800
ApplicationUsed for repairing the crown and tapping hole of BOF.