Sunflower seeds for human consumption: Lacomca and SPK (black) Impurities: 99.8% - 99.9%, available at the desired calibre (3.2+;3.4+;3.6+;3.8;+4.0), humidity 7% - 9%; acidity 0.7% - 1.3%. Packaging available: standard polypropylene bags of 25kg each.