<1>Anti Calcine Refractor Article(1):

      

Item Aluminium magnesium brick Aluminium magnesium spinel carbon brick
AL2O3 (%) 68-73 60-65
MgO (%) 12-14 12-14
CaO (%) -- 0.76
Fe2O3 (%) ≤1.5 ≤1.5
C (%) -- 3.5-10
Apparent porosity (%) ≤20 ≤18
Bulk density(g/cm3) 2.85-2.90 2.90
Crushing strength (MPa) ≥80 ≥60
Refractoriness (℃) ≥1770 ≥1750
Refractoriness under
0.2MPa load (℃)		 1420-1480 1580

<2>Zirconium Establishment Diameter Aqua Orifice Brick:

     
Brand X-75 X-80 F-75 F-80 Z-75 Z-85 Z-90
ZrO2   (≥) 74 79 74 79 74 84 89
Apparent porosity(≤) 20% 18% 20% 18% 20% 18% 16%
Bulk density(≥g/cm3) 3.90 4.20 3.90 4.20 3.90 4.30 4.60
Refractoriness(≥℃) 1850 1850 1850 1850 1850 1850 1850
Crushing strength
(≥MPa)		 100 100 120 120 120 120 140
Thermal shock resistance(1100℃≥) 12 12 12 12 12 12 12

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