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Our Grinding Ball's Physical Mechanics:
1-Rockwell scale =60 to 70 HRC
2-Breakage Rate =0.5 to 1%
3-Average Wear =< 20 to 30 g/t (Average flour and cement)
4-The balls must be smooth and spherical with a tolerance of 1~2% on diameter.
*mines, cement plants power stations chemical industries