Ze-VERP Ze-VERP 11W Ze-VERP 11W is barium free rust preventive with excellent water displacing properties specifically designed for Work-In-Process (WIP) and in-plant corrosion protection. Details Ze-VERP 21F Ze-VERP 21F is low viscosity rust preventive specially designed for Work-In-Process (WIP) and in-plant/ domestic in-transit corrosion protection. Details