WHITE FUSED ALUMINA WAS MADE FROM THE HIGH QUALITY ALUMINA BY MELTING ABOVE 2000℃ IN THE ELECTRIC ARC FURNACE AND COOLING.IT IS WHITE WITH THE MAIN CRYSTAL PHASE α-AL2O3

MAIN CHEMICAL COMPOSITION 

Al2O3------------------------------99.4-99.5%

Na2O------------------------------≤0.35%

Fe2O3------------------------------≤0.06%

MAIN PHYSICAL PROPERTIES

SPECIFIC GRAVITY----------------≥3.90g/cm3

MOHS HARDNESS----------------9.0

BULK DENSITY-----------------1.75-1.95G/CM3

MELTING POINT------------------2250℃

REFRACTORINESS-----------------2100℃

AVAILABLE SIZES:

FEPA STANDARD:F12 F14 F16 F20 F22 F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200

 JIS STANDARD:#12 #14 #16 #20 #22 #24 #30 #36 #46 #54 #60 #70 #80 #90 #100 #120 #150 #180 #220 #240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #3000 #4000

 P STANDARD:

P12 P14 P16 P20 P24 P30 P36 P46 P54 P60 P70 P80 P80 P100 P120 P150 P180 P220 P240 P280 P320 P360 P400 P500 P600 P800 P1000 P1200 P1500 P2000 P2500 P3000 P4000 P5000