A. Robusta Specifications :
1. Grade A (Pick Red) :
a. Black : 5%
b. Dregs : 3%
c. Moisture content : 12% - 15%
2. Grade B (Sorting) :
a. Black : 20%
b. Dregs : 18%
c. Moisture content : 17% - 18%
3. Grade C (Obviously) :
a. Black : 20%
b. Dregs : 30%
c. Moisture content : 19% - 20%

B. Liberika Specifications (Pick Red) :
a. Black : 5%
b. Dregs : 5%
c. Moisture content : 12% - 15%

C. Gayo arabica specifications:
1. Grade A :
a. Defects : 1% - 3%
b. Moisture content : 12%
2. Grade B :
a. Defects : 3% - 5%
b. Moisture content : 12%
3. Grade C (Obviously) :
a. Defects : 5% - 8%
b. Moisture content : 12%