Study on the Factors Influencing on Wetting Performance of Blasting Dust in a Limestone Mine

Table 1

Percentage of cumulative distribution of MD and ND in different particle size intervals.

Particle size area (μm)	0~10	10~20	20~30	30~40	40~50	50~60	60~70
MD (%)	31.08	42.11	17.16	6.92	2.27	0.01	0.00
ND (%)	20.27	24.51	22.04	12.5	8.09	1.77	0.35