Requirements
S. No. Characteristics MC Grade 1 MC Grade 2 MC Grade 3
1 Impurities, % by wt, Max 0.5 1 2
2 Mouldy cups, % by count, max 4 8 10
3 Black cups, % by count, max 5 10 15
4 Wrinkled cups, % by count 5 10 15
5 Chips, % by wt. 5 10 15
6 Moisture content, % by wt 6 6 6
7 Oil content(on moisture free basis), % by wt. Min 70 68 66
8 Acid value of extracted oil, Max 2 4 10
9 Grades of copra      
  Machan dryer 75 17 8
  Sun drying 70 21 9
  Biomass fired copra dryer 82 13 5
Table 1: Grading of copr.