Chemical compoisiton & grain size range

Chemical compostion (%)

Al₂O₃

SiO₂

Fe₂O₃

Na₂O

WA

F20-F80

98.5-99.5

≤0.10

≤0.08

≤0.40

F90-F150

98.5-99.2

F180-F280

98.2-99.0

≤0.60

Bulk density of the white fused abrasive

Grain size

Bulk density range

Grain size

Bulk dneisty size

F16#

1.98-2.05

F60#

1.65-1.75

F20#

1.95-2.00

F70#

1.62-1.73

F22#

1.90-1.98

F80#

1.60-1.70

F24#

1.85-1.95

F90#

1.59-1.69

F30#

1.82-1.92

F100#

1.57-1.67

F36#

1.80-1.88

F120#

1.55-1.65

F40#

1.80-1.86

F150#

1.53-1.63

F46#

1.72-1.82

F180#

1.52-1.61

F54#

1.68-1.78

F220#

1.50-1.60

Magnetic material amount of the product (%) (GB/T2479-2008)

Grain size range

Magnetic material amount %

not more than

WA  & WA-P

WA & WA-B

F4-F30      P12-P30

0.0023

0.004

F36-F60    P36-P60

0.0022

0.0035

F70-F120   P80-P120

0.0021

0.003

F150-F220  P150-P220

0.0016

0.0025