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Technical data of Electric Arc Furnace for Mineral Wool Melting

ITEM N1-1 ML-60S ML-70S BDF-CR20 BDF-CR25
Bulk Density 2.10 2.60 2.70 3.17 3.35
Apparent Porosity (%) 20.5 16.2 16.1 16.0 11.8
CCS (MPa) 135 60 90 61 110
Chemical
Composition
(%)
Al2O3 43 60 70 - -
Cr2O3 - - - 20 25
MgO - - - 62 56
Application Part Permanent Lining Free Board Bottom
ITEM CZ-30 CZ-50 CZ-70
Bulk Density 3.55 3.70 4.00
Apparent Porosity (%) 16.1 16.3 16.4
CCS (MPa) 160 140 150
Chemical
Composition
(%)
Al2O3 64 44 24
Cr2O3 30 50 7
Application Part Working Lining
ITEM CRESTO-10CR CRESTO-30CR CRESTO-50CR CRESTO-80CR
Dry Material Required for Estimating
(Ton/m³)
3.20 3.25 3.40 3.65
CCS (MPa) 110℃ 35 40 40 35
1,500℃ 100 100 110 110
PLC (%) 110℃ -0.05 -0.05 -0.05 -0.05
1,500℃ 0.20 0.30 0.30 0.40
Chemical
Composition
(%)
Al2O3 84 64 44 14
Cr2O3 10 30 50 80
Application Part Roof