Arabica Coffee Beans 1.Arabica coffee grade 1, screen18 Moisture: 12.5% max Admixture :0.5% max Black & Broken beans: 2% Above screen 18: 90% 2.Arabica coffee bean -Grade 1, screen 16 Moisture :12.5% max. Admixture :0.5% max Black & Broken beans : 2% Above screen 16 : 90% 3.Arabica/ coffee beans Grade 2, Screen 13 Moisture: 13% max. Admixture: 1% max. Black & Broken beans: 5% max. Above Screen 13: 90%