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 PRODUCT>REFRACTORY BRICK |
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Item
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MGe-20
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MGe-16
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MGe-12
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MGe-8
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Cr2O3(%) min
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20
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16 ?
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12
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8
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MgO (%) min
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45
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50 ?
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60 ?
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70 ?
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SiO2(%) max
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4.5
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4.5
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4.0
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4.0
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Refractoriness under load,
0.2MPa, Ta, (°C)
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1600
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1580
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1580
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1580
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Porosity (%) max
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20
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19
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18
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18
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Bulk density (g/cm3) min
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3.1
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3.05
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3.0
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3.0
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Cold crushing strength (Mpa) min
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30
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35
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35
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35
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