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FEPA standard F230-F2000 for abrasive alumina oxide,silicon carbide

FEPA standard 42-2:2006, Microgrits, powder, F230~F2000 for grains of fused aluminium oxide, silicon carbide and other abrasive materials for bonded abrasives. 

Abrasive grade White fused alumina, brown fused alumina, black silicon carbide, green silicon carbide FEPA standard. 


Grits Designation

D3 value max

um

D50 Value

um

D94 value min

um

F230

82

53.0±3

34

F240

70

44.5±2

28

F280

59

36.5±1.5

22

F320

49

29.2±1.5

16.5

F400

32

17.3±1

8

F500

25

12.8±1

5

F600

19

9.3±1

3

F800

14

6.5±1

2

F1000

10

4.5±0.8

1

F1200

7

3.0±0.5

1(at 80%)

F1500

5

2.0±0.4

0.8(at 80%)

F2000

3.5

1.2±0.3

0.5(at 80%)

FEPA standard F230-F2000 for abrasive alumina oxide,silicon carbide(图1)FEPA standard F230-F2000 for abrasive alumina oxide,silicon carbide(图2)FEPA standard F230-F2000 for abrasive alumina oxide,silicon carbide(图3)

FEPA standard F230-F2000 for abrasive alumina oxide,silicon carbide(图4)

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