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 ※  Tongkai Refractories and Abrasives Co.,Ltd » HOME » Products Standard » Comparison Chart for Grit Size Dimension Between China And Other Countries
Subject:Microgrits Grit F230 – F8000
Microgrits Grit F230 – F8000
Postdate:2005-11-04 17:54:25   Hits:682

Standard Name GB/T 2481.2-1998ISO8486-2:1996 FEPA 42-GB-1984DIN69101-1985 ANSI B74.10-1997(R1998) JISR 6001-1987
Testing by 1 2 1 2 3 2 2 4
230 53.0±3.0 55.7±3.0 53.0±3.0 55.7±3.0 50.0±3.0 - - -
240 44.5±2.0 47.5±2.0 44.5±2.0 47.5±2.0 42.0±2.0 53.3～50.0 60.0±4.0 57.0±3.0
280 36.5±1.5 39.9±1.5 36.5±1.5 39.9±1.5 34.5±1.5 44.0～40.5 52.0±3.0 48.0±3.0
320 29.2±1.5 32.8±1.5 29.2±1.5 32.8±1.5 27.7±1.5 36.0～32.5 46.0±2.0 40.0±1.5
360 22.8±1.5 26.7±1.5 22.8±1.5 26.7±1.5 21.6±1.5 28.8～25.8 40.0±2.0 35.0±2.0
400 17.3±1.0 21.4±1.0 17.3±1.0 21.4±1.0 16.5±1.5 23.6～20.6 34.0±2.0 30.0±2.0
500 12.8±1.0 17.1±1.0 12.8±1.0 17.1±1.0 12.3±1.0 19.7～16.7 28.0±2.0 25.0±1.0
600 9.3±1.0 13.7±1.0 9.3±1.0 13.7±1.0 9.0±1.0 16.0～13.0 24.0±1.5 20.0±1.5
700 - - - - - - 21.0±1.3 17.0±1.3
800 6.5±1.0 11.0±1.0 6.5±1.0 11.0±1.0 6.3±1.0 12.3～9.8 18.0±1.0 14.0±1.0
1000 4.5±0.8 9.1±0.8 4.5±0.8 9.1±0.8 4.5±0.8 9.3～6.8 15.5±1.0 11.5±1.0
1200 3.0±0.5 7.6±0.5 3.0±0.5 7.6±0.5 3.1±0.5 6.5～4.5 13.0±1.0 9.5±0.5
1500 - - - - - - 10.5±1.0 8.0±0.6
2000 - - - - - - 8.5±0.7 6.7±0.6
2500 - - - - - - 7.0±0.7 5.5±0.5
3000 - - - - - - 5.7±0.5 4.0±0.5
4000 - - - - - - - 3.0±0.4
6000 - - - - - - - 2.0±0.4
8000 - - - - - - - 1.2±0.3