DYJ Multi-functional Oil Purifier Lubricant Oil: Dehydration,Degassing,Demulsification,Removal of Impurity DYJ Multi-functional Oil Purifier/FilterLubricant Oil: Dehydration,Degassing,Demulsification,Removal of Impurity1. CharacteristicsThis ... the additive precipitate; reduce the viscosity, lower lubrication.Air —— it will accelerate it oxidation, makes oil temperature go up, foams, etc. Solid ...