Particle size Distribution 
Mesh size – % Max passes 
through 
Pass through 20 mesh – 
90% - 100% Pass through 
40 mesh – 20% - 60% 
Pass through 200 mesh – 
0% - 10%
25 kg nett in air-tight, 
strong, well-closed, 
fiber or plastic drums. 
Each and every drum 
should be wrapped 
with polythene.