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鑽石(金鋼石)微粉各標準細微性標記對照表

鑽石(金鋼石)微粉各標準細微性標記對照表

JB/T7990-1979

GB6966-86

JB/T7990-1998

QB/HH1801-04

對應目數

0-0.25

W0.5

0-0.05

M0/0.5

0-0.5

W1

0-1

M0/1

0-1

M0.5/1

0.5-1

0.5-1

M0.5/1.5

0.5-1.5

0.5-1.5

M0/2

0-2

W1.5

0-2

M1/2

1-2

0.5-3

12000

W2.5

1.5-3

M1.5/3

1-3

10000

1.5-3

8000

2-3

7000

W3.5

2-4

M2/4

2-4

6000

W5

2.5-5

M2.5/5

2-5

5000

3-6

M3/6

3-6

4000

3-7

3500

W7

4-8

M4/8

4-8

3000

4-9

2500

W10

5-10

M5/10

5-10

2200

6-12

M6/12

5-12

2000

8-12

M8/12

6-12

1800

7-14

1600

W14

M8/16

8-16

1500

8-20

1300

W20

10-20

M10/20

10-20

1200

12-22

M12/22

12-22

1000

12-25

15-25

900

W28

20-30

M20/30

20-30

800

22-36

M22/36

22-36

700

W40

30-40

600

30-50

36-54

M36/54

36/54

500

40-60

50-70

400

54-80

325

 

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