Mg-Fe-Al spinel brick – B320
Size: 200x198x76.5/66.5 mm; Weight: 8.3kg; Bulk Density: ≥2.95 g/cm3 Apparent porosity: ≤18 %; Compressive Strength: ≥60 MPa; Refractory temperature: ≥1790 ℃; Thermal shock stability (1100℃): ≥6; Thermal Conductivity (350℃±25℃): ≤3.5 W/(M*K) Refractoriness under Load (0.2MPa) T0.6 : ≥1650 ℃ Chemical Analysis： MgO：≥87% Fe2O3：≥3% Al2O3：≥3%
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