1,Density (kg/m3):500-900kg/m3 2,PH:6.5-9 3,free moisture (%) no more than3% 4, strong decoloration ability UsageFirstly, to seal small mouth of conical flask with 200-400mesh filter cloth or filter paper. Secondly, to pour this product into conical flask (thickness:diameter=1:1) Thirdly, to pour oil into conical flask from its big mouth, naturally filtering out from small mouth. Note: Do not ...