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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¥Õè¥É¼Q¬â¿i®Æ¥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 |
¤G¡A¥Õè¥É¼Q¬â¿i®Æ¥Î³~Application
1, ©Tµ²¿i¨ã©MÒ\ÂС]Ò\ªþ¿i¨ã¡^¿i¨ãBonded abrasives and Coated abrasives
2¡A¦aªO/ùÙÅé¼hÀ£§÷®ÆFloor / Wall Laminates
3¡A¼ö¼QÒ\/µ¥Â÷¤l¼QÒ\Thermal Spraying (Plasma Spraying)
4¡A©ß¥ú©M·L¤À¤l¼Q¬âLapping & Micro-blasting applications
5¡Aªí±³B²z Surface preparation and finishing
6¡A@¤õ§÷®Æ¡A³³²¡Super Refractories, Ceramics and Tiles
7¡A¨î°ÊŨ± Brake linings
1,¥Î©ó@¤õ§÷®Æ¡A·oÂø®Æ¡AÄl®ÆUsed for refractory, castable
ÄÝ©Ê 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 TypicalValue | ||
¤Æ¾Ç¦¨¤À Chemical Composition | Al2O3 | 99.2 | 99.5 | 99 | 99.2 |
SiO2 | 0.1 | 0.06 | 0.30 | 0.08 | |
Fe2O3 | 0.1 | 0.04 | 0.20 | 0.10 | |
Na2O | 0.4 | 0.30 | 0.40 | 0.35 | |
2,¥Î©ó¿i®Æ¡A¼Q¬â¡A¬ã¿i¡A©ß¥úUsed for abrasives,blasting,grinding
ÄÝ©Êproperties
³W®æType | ²É«×¬âGrains | ||
8# 10# 12# 14# 16# 20# 22# 24# 30# 36# 40# 46# 54# 60# 70# 80# 90# 100# 120# 150# 180# 220# | |||
«OÃÒÈGuarantee Value | ¨å«¬ÈTypical Value | ||
¤Æ¾Ç¦¨¤À Chemical Composition | Al2O3 | 99 | 99.50 |
SiO2 | 0.1 | 0.04 | |
Fe2O3 | 0.1 | 0.04 | |
Na2O | 0.35 | 0.23 | |
3¡A¥Î©ó¿i®Æ¡A¬ã¿i¡A©ß¥úµ¥ Used for abrasives ,lapping,Polishing
ÄÝ©Êproperties 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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