1.Grade 1 Screen 18 Minimum 90% above Screen 18 Moisture: 12.5% max Black and Broken Beans: 2% max Foreign matter: 0.5% max 2.Grade 1 Screen 16 Minimum 90% above Screen 16 Moisture: 12.5% max Black and Broken Beans: 2% max Foreign matter: 0.5% max 3.Grade 2 Screen 13 Minimum 90% above Screen 13 Moisture: 13% max Black and Broken Beans: 2% max Foreign matter: 1% max Excelsa beans: 1% max For any information pls don't hesitate to contact us.