Requets for pellet feed appearance quality

1.unifrom length:it may influence the pellets appearance,and the powder rate,because more short mateiral,more section,and more broken point,will easily produce powder;
2.powder content rate:what buyers buy are pellet feed,certainly,the less the powder content,the better the pellets.But it may produce some powders during pelletizing and production,so,before packaging,should screening powder out,and pelleting again,in order to reduce the powder content.
3.surface colour and luster also important,it can reflect the pellet quality,and if the powder material mix well and other problems.