... industries.Drum Flaker can be used in Polyethylene oligomers, petroleum resin, polyethylene oxide, polyvinyl chloride (PVC), nylon (PA), polyester, phenolic / epoxy ... ), caprolactam, asphalt and other organic chemical products; and sodium sulfide, ion-exchange membrane (or diaphragm) caustic soda, potassium hydroxide, chromic anhydride, sodium ...