I bet quite a few folks dispose of perfectly good peening media do to improper sampling techniques. Take your sample after it has been through the screening system.

These are two products I use, an accurate sample is key!
As Jack mentioned a sub-sample of shape is also to be taken out if this sample. However, the shape inspection must be performed prior to sieve analysis.

http://www.globalgilson.com/productdisplay.asp?group=SampleReducer

http://www.globalgilson.com/productdisplay.asp?group=JonesCarpcoMicroSplitters

Last edited by Walter; 01/14/14 10:44 PM.