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The bauxite which is a materials from the furnace fused in high temperature and removed the impurity to be an emery powder which is in general used, according to ingredient content the brown (Brown fused alumina), white (White fused alumina), pink (Pink fused alumina)
etc. many kinds colors, Moh' s longtitude is 9.0.

▣ PHYSICAL & CHEMICAL FEATURES
Name Mesh Specific Gravity Chemical composition(%)
AI2O3(min) Fe2O3(min) TiO2(min) SiO2(min)
A #8~#220 >3.94 >94.5 <0.8 <4.0 <2.0
#240~#4000 >3.85 >87.5 <0.8 <4.0 <1.0
WA #8~#220 >3.93 >99.0 <0.1 <0.05 <1.0
#240~#4000 >3.85 >98.0 <0.1 <0.05 <6.0

▣ APPLICATION
Grinding stone, Sand paper, Sand blast, Refractory, Barrel media, etc

▣ Grit sizes chart
Mesh GB2477-83 JISR6001-87 ISO
4 5600~4750   5600~4750
5 4750~4000   4750~4000
6 4000~3350   4000~3350
7 3350~2800   3350~2800
8 2800~2360 2800~2360 2800~2360
10 2360~2000 2360~2000 2360~2000
12 2000~1700 2000~1700 2000~1700
14 1700~1400 1700~1400 1700~1400
16 1400~1180 1400~1180 1400~1180
20 1180~1000 1180~1000 1180~1000
24 850~710 850~710 850~710
30 710~600 710~600 710~600
36 600~500 600~500 600~500
40 500~425   500~425
46 425~355 425~355 425~355
60 300~250 300~250 300~250
70 250~212 250~212 250~212
80 212~180 212~180 212~180
90 180~150 180~150 180~150
100 150~125 150~125 150~125
120 125~106 125~106 125~106
150 106~75 106~75 106~75
180 90~63 90~63 90~63
220 75~53 75~53 75~53
240 75~53    





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