Natural features:
Size (More than 5 mm): 95 % min.
Damages caused by bugs: 0.3 % max.
Dark grains: 1 % max.
Other types: 2 % max.
Yellowish: 10 % max.
Broken grains: 3 % max.
bean shell detachment: 5 % max.
Strange matter: 0.1 % max.