Coffee is a key agricultural export of Vietnam, bringing in more than US$1 billion annually. Vietnam robusta coffee grade 1, screen 18 Moisture : 12.5% max. Admixture: 0.5% max Black & broken beans: 2.0% Above screen 18 : 90% Vietnam robusta coffee grade 1, screen 16 Moisture : 12.5% max Admixture : 0.5% max Black & broken beans : 2.0% Above screen 16 : 90% Vietnam robusta coffee grade 2, screen 13 Moisture : 13% max Admixture : 1% max Black & broken beans : 5% Above screen 13 : 90% 60kgs/jute bag