The process of feldspar crushing is consisted of primary crushing.

Depending on the desired output size of the crushed stone, the raw material may be fed into impact crusher for secondary crushing.

After the two stages of feldspar crushing, large feldspar whose diameter is approximately 1.5 meters has changed into feldspar particle, and the size of feldspar particles can achieve to 25mm or less.

In the grinding process, crushed feldspar particles is grinded into powder with the fineness requirement of 200 mesh by grinding mill.