| Product | Refractoriness for Electric Arc Furnace |
■ Safety Lining：MA-90、MA-95
■ Wall Zone-Hotspot：SMGC-038
■ Wall Zone：SMGC-025
■ Wall Zone：ZGK-A、ZGK-B
Specification
Brand |
SMGC-025 |
SMGC-038 |
MA-90 |
MA-95 |
SGM-M12 |
SGM-M15 |
SGM-M19 |
||
Properties |
|||||||||
Refractoriness |
--- |
--- |
40 |
40 |
--- |
--- |
--- |
||
Apparent Porosity |
≦4 |
≦4 |
≦20 |
≦20 |
--- |
--- |
≦25 |
||
Bulk Density |
≧2.92 |
≧2.84 |
≧2.75 |
≧2.80 |
≧2.45 |
≧2.20 |
≧2.10 |
||
Cold Crushing Strength |
≧350 |
≧310 |
≧400 |
≧400 |
≧60 |
≧80 |
≧80 |
||
Chemical Composition (%) |
MgO |
≧80 |
≧75 |
≧90 |
≧94 |
≧85 |
≧80 |
≧70 |
|
F.C |
≧10 |
≧15 |
--- |
--- |
--- |
--- |
≧4(CaO) |
||
Characteristics |
Brick |
Gunning |
|||||||
Application |
Wall Zone |
Bottom Zone |
Wall Zone |
||||||
Brand Properties |
ZGK-A |
ZGK-B |
|
Cold Crushing Strength (Mpa) |
≧45 |
≧45 |
|
Modulus of Rupture at Elevated Temperature, 1400℃x30min(Mpa) |
≧12 |
≧12 |
|
Bulk Density (g/cm3) |
≧2.98 |
≧2.95 |
|
Apparent Porosity (%) |
≦3 |
≦3 |
|
Chemical Composition (%) |
MgO |
≧80 |
≧75 |
C |
≧10 |
≧15 |
|
Application |
Topping Hole Brick |
||
