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¤@¡B¥Õ­è¥É°©§÷¥D­nª«²z¯S©ÊMain Physical Properties

²ö¤óµw«×MOHS HARDNESS

                 9.0

°ï¿n±K«×BULK DENSITY

             1.75-1.95g/cm3

¯u±K«× REAL DENSITY

             3.95g/cm3

º²ÂI   MELTING POINT

                 2250¢J

   ¨Ï¥Î·Å«× MAXIMUM SERVICE TEMPERATURE

1900¢J

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   Properties

       ³W®æType

    0-1 1-3 3-5mm

 0-100  0-200   0-320

«OÃÒ­È

Guarantee  Value

¨å«¬­È

Typical Value

«OÃÒ­È

Guarantee Value

¨å«¬­È

Typical Value

 

¤Æ¾Ç¦¨¤À

Chemical

Composition

Al2O3

   99

 99.5

  98.5

 99.0

SiO2

   0.1

 0.06

  0.20

 0.08

Fe2O3

   0.1

 0.04

  0.20

 0.10

Na2O

   0.4

 0.30

  0.40

 0.35

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