Grading Standard

BS 410 (mm/ μm)

TYLER (Mesh)

ASTM E 11-87 (sieve)

DIN 4188 (mm)

Mesh / Millimeters/Microns

2500

2500

0.005

5

1250

1250

0.010

10

800

800

0.015

15

635

0.020

20

0.022

22

500

0.025

25

0.028

28

440

450

0.032

32

0.036

36

400

400

400

38

0.040

40

350

325

325

0.045

45

0.050

50

300

270

270

53

0.056

56

240

250

230

0.063

63

0.071

71

200

200

200

75

0.080

80

170

170

170

0.090

90

0.100

100

150

150

140

106

0.112

112

120

115

120

0.125

125

0.140

140

100

100

100

150

0.160

160

85

80

80

0.180

180

0.200

200

72

65

70

212

0.224

224

60

60

60

0.250

250

0.280

280

52

48

50

300

0.315

315

44

42

45

0.355

355

0.400

400

36

35

40

425

0.450

450

30

32

35

0.500

500

0.560

560

25

28

30

600

0.630

630

22

24

25

0.710

710

0.800

800

18

20

20

850

0.900

900

1.0

16

18

1.0

16

1.12

1.12

14

14

16

1.18

1.25

1.25

12

12

14

1.4

1.4

1.6

1.6

10

10

12

1.7

1.8

1.8

8

9

10

2.0

2.0

2.24

2.24

7

8

8

2.36

2.5

2.5

6

7

7

2.8

2.8

3.15

3.15

5

6

6

3.35

3.55

3.55

4

5

5

4.0

4.0

4.5

4.5

3.5

4

4

5.0

4.75

5.0

5.0

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