Particles smaller than 250 mm have more than 95% recovery rate and 72.4% recovery rate for those larger than 250 mm at 700 RPM mixing speed.

• 在700RPM搅拌速度，小于250毫米悬浮微粒可得到超过95%25回复率，大于250毫米可得到72.；4%25回复率。