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Technology standard & index
Coated abrasives grinsize distribution (P12-P220)
 
,

Grain size

The first layer of  sieve

The second layer of sieve

The third layer of sieve

The fourth layer of sieve

The fifth  layer of sieve

△Q

Mesh size W1

Q1

Mesh size W2

Q2

Mesh size W3

Q3

Mesh size W4

Q4

Mesh size W5

Q5

mm

µm

%

mm

µm

%

mm

µm

%

mm

µm

%

mm

µm

%

%

P12

3.35

-

0

2.36

-

1

2.00

-

14±4

1.70

-

61±9

1.40

-

92

8

P16

2.36

-

0

1.70

-

3

1.40

-

26±6

1.18

-

75±9

1.00

-

96

4

P20

1.70

-

0

1.18

-

7

1.00

-

42±8

-

850

86±6

-

710

96

4

P24

1.40

-

0

1.00

-

1

-

850

14±4

-

710

61±9

-

600

92

8

P30

1.18

-

0

-

850

1

-

710

14±4

-

600

61±9

-

500

92

8

P36

1.00

-

0

-

710

1

-

600

14±4

-

500

61±9

-

425

92

8

P40

-

710

0

-

500

7

-

425

42±8

-

355

86±6

-

300

96

4

P50

-

600

0

-

425

3

-

355

26±6

-

300

75±9

-

250

96

4

P60

-

500

0

-

355

1

-

300

14±4

-

250

61±9

-

212

92

8

P80

-

355

0

-

250

3

-

212

26±6

-

180

75±9

-

150

96

4

P100

-

300

0

-

212

1

-

180

14±4

-

150

61±9

-

125

92

8

P120

-

212

0

-

150

7

-

125

42±8

-

106

86±6

-

90

96

4

P150

-

180

0

-

125

3

-

106

26±6

-

90

75±9

-

75

96

4

P180

-

150

0

-

106

2

-

90

15±5

-

75

62±12

-

63

90

10

P220

-

125

0

-

90

2

-

75

15±5

-

63

62±12

-

53

90

10

 

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