... be used in preparing specifications.Product descriptionSilicone Defoamer QYS4008 is an anhydrous, low-viscosity, readily dispersible ... good deaeration characteristics.ApplicationBecause of its structure, QYS4008 can be used for defoaming surfactant-containing formulationsor ... incompatibility, rapid exhaustion or low alkali resistance.QYS4008 is suitable primarily for the following applications:- ...