Produktna berza uses the Commodity Exchange Standard, which determines the minimum quality standard that corn needs to meet as a commodity on the Commodity Exchange Listing.
According to that standard, corn should have the following parameters:
|Broken kernels max||5,0%|
|Defective kernels max||4,0%|
|Heat damaged kernels max||2,0%|
|Extraneous matter: until % (of which max 0,5% of inorganic origin)||1,0%|