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Tapping hole packing
Product description
Tapping hole packing is electric furnace bottom of the steel wide a must material, my company research and development of electric furnace tapping hole has not rise, molten steel packing penetrates, high refractoriness, simple operation, use safety etc. Characteristics. By many domestic big and medium-sized steel enterprise use, since open rate reached 99.8% full, deeply customer high praise.
Main physical and chemical index:
Chemical index
ingredients | SiO2 Al2Q2 CaO Fe2 O2 MgO H2 O |
Index (%) | 25～35 ≤5.0 ≤5.6 2.0～8.5 53～60 ≤0.5 |
Physical properties
ingredients | Grain of degrees Let heavy Resistance to fire degrees |
Index (%) | 1～5mm ≥1.3g/cm2 ≥1700℃ |
Applicable condition
Used in electric furnace steelmaking operation.
