Composition for removing rust on car body and parts and preparing metal for priming and painting. Prevents the recurrence of corrosion by creating a protective coating with zinc ions. • Quickly and effectively removes rust • Forms a protective zinc-based coating • Provides high adhesion of primer and paint to metal • Prevents the spread of corrosion and damage to the paint coating • Has high penetrating ability • Can be used to facilitate the disassembly of rusted joints • Contains a mixture of organic and inorganic acids • Works in 10 minutes • Safe for the structural materials of the car • Has an economical consumption • Easy to apply