Walter Defoamer Additive helps decrease the foaming effect of various water-based products. Especially formulated for STAR and UNO family of aqueous cleaners. With its quick and excellent ability of dissipating foam, this defoamer agent is ideal for industrial use. The lasting foam suppressing effect of this anti-foaming additive saves time and labor involved in reapplication. The silicone-free defoamer works effectively on all types of metals.