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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 alpha-Al2O3.The white alumina produced in titling electric arc furnace has the advantage of high bulk density and low porosity and the volume stability and thermal shock resistance can be improved.
¤@¡A¥Dnª«²z¯S©ÊMain Physical Properties
²ö¤óµw«× MOHS HARDNESS | 9.0 |
°ï¿n±K«× BULK DENSITY | 1.75-1.95g/cm3 |
¤ñ« SPECIFIC GRAVITY | 3.95g/cm3 |
Åé¿n±K«× | 3.60 |
¥Î©ó¿i®Æ¡A¬ã¿i¡A©ß¥úµ¥ Used for abrasives ,lapping,Polishing
ÄÝ©Ê properties ³W®æ Type | ·L¯» Micropowder | |||
W | W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 W0.5 | |||
FEPA | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 | |||
JIS | 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# | |||
«OÃÒÈGuarantee Value | ¨å«¬ÈTypical Value | |||
¤Æ¾Ç¦¨¤À Chemical Composition | Al2O3 | 99 | 99.20 | |
SiO2 | 0.1 | 0.08 | ||
Fe2O3 | 0.1 | 0.06 | ||
Na2O | 0.4 | 0.32 | ||
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