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Micropowder Grit Sizes of Some Countries

JIS(83)Japan
Sedinentation tube method
ANSI(77)
America
DIN(70)
Germany
FEPA(84)
Europe
ISO(77)
International
Grit ds50 value
(micron)
Grit ds50 value
(micron)
Grit ds50 value
(micron)
Grit d50 value(micron) Grit ds50 value
(micron)

Standard
werte der
Mikro-F-Reihe

sedigraph
5000D

240 60.0+-4.0 - - - - - - - P240 58.5+-2.0
280 52.0+-3.0 - - - - - - - P280 52.2+-2.0
320 46.0+-2.5 240 53.5-50 OS53 53+-3.0 F230/53 53+-3.0 50.0+-3.0 P320 46.2+-1.5
360 40.0+-2.0 - - OS45 44.5+-2.0 F240/45 44.5+-2.0 42.0+-2.0 P360 40.5+-1.5
400 34.0+-2.0 280 44-40.5 - - - - - P400 35.0+-1.5
500 28.0+-2.0 320 36-32.5 OS37 36.5+-1.5 F280/37 36.5+-1.5 34.5+-1.5 P500 30.2+-1.5
600 24.0+-1.5 360 28.8-25.8 OS29 29.2+-1.5 F320/29 29.2+-1.5 27.7+-1.5 P600 25.8+-1.0
700 21.0+-1.3 400 23.6-20.6 OS23 22.8+-1.5 F360/23 22.8+-1.5 22.6+-1.5 P800 21.8+-1.0
800 18.0+-1.0 500 19.7-16.7 OS17 17.3+-1.0 F400/17 17.3+-1.0 16.5+-1.0 P1000 18.3+-1.0
1000 15.5+-1.0 600 16-13 OS13 12.8+-1.0 F500/13 12.8+-1.0 12.3+-1.0 P1200 15.3+-1.0
1200 13.0+-1.0 - - - - - - - - -
1500 10.5+-1.0 800 12.3-9.8 OS9 9.3+-1.0 F600/9 9.3+-1.0 9.0+-1.0 - -
2000 8.5+-0.7 1000 9.3-6.8 - - - - - - -
2500 7.0+-0.7 - - OS7 6.5+-1.0 F800/7 6.5+-1.0 6.3+-1.0 - -
3000 5.7+-0.5 1200 6.5-4.5 OS5 4.5+-0.8 F1000/5 4.5+-0.8 4.5+-0.8 - -
- - - - OS3 3+-0.5 F1200/3 3.0+-0.5 3.1+-0.5 - -
For general
purposes
For abrasive tools
For abrasive tools
For coated
abrasives

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Last modified: 2005-04-04