U.S. Graded (CAMI)

European Graded (FEPA)

Microns

Avg Dia

Mesh

Symbol

Mesh

Avg Dia

Microns

0.3

0.0000118

-

-

-

-

-

0.5

0.0000197

-

-

-

-

-

1.0

0.0000394

-

-

-

-

-

2.0

0.0000787

-

-

-

-

-

3.0

0.000118

-

-

-

-

-

4.0

0.000158

-

-

-

-

-

5.0

0.000197

-

-

-

-

-

 -

-

-

-

P2500

0.003701

 8.4

9.0

0.00035

-

-

-

-

-

9.2

0.00036

1000

-

-

-

-

 P2000

 0.000405

 10.3

12.0

0.00047

-

-

-

-

-

12.2

0.00048

800

-

-

-

-

-

-

-

-

 P1500

 0.000496

12.6

15.0

0.00059

-

-

-

-

-

16.0

0.00062

600

-

P1200

0.00060

15.3

19.7

0.00077

500

-

P1000

0.00071

18.3

20.0

0.00079

-

-

-

-

-

23.6

0.00092

400

10/0

P800

0.00085

21.8

25.0

0.00098

-

-

-

-

-

28.8

0.00112

360

-

P600

0.00100

25.8

30.0

0.00118

-

 -

-

-

-

 -

-

-

-

P500

0.00118

30.2

36.0

0.00140

320

9/0

P400

0.00137

35.0

40.0

0.001575

-

-

-

-

 -

-

-

-

P360

0.00158

40.5

44.0

0.00172

280

8/0

-

-

-

45.0

0.00177

-

-

P320

0.00180

46.2

50.0

0.00197

-

-

-

-

-

53.5

0.00209

240

7/0

P280

0.00204

52.5

55.0

0.00217

-

-

-

-

-

66.0

0.00257

220

6/0

P220

0.00254

65.0

78.0

0.00304

180

5/0

P180

0.00304

78.0

93.0

0.00363

150

4/0

P150

0.00378

97.0

116.0

0.00452

120

3/0

P120

0.00495

127.0

141.0

0.0055

100

2/0

P100

0.00608

156.0

192.0

0.00749

80

0

P80

0.00768

197.0

268.0

0.01045

60

1/2

P60

0.01014

260.0

351.0

0.0139

50

1

P50

0.01271

326.0

428.0

0.0169

40

1-1/2

P40

0.01601

412.0

535.0

0.02087

36

2

P36

0.02044

524.0

638.0

0.02488

30

2-1/2

P30

0.02426

622.0

715.0

0.02789

24

3

P24

0.02886

740.0

905.0

0.03535

20

3-1/2

P20

0.03838

984.0

1320.0

0.05148

16

4

P16

0.05164

1324.0

1842.0

0.07174

12

4-1/2

P12

0.06880

1764.0