Posted December 10, 2019

CorrVerter: An alternative to sandblasting rust

Abrasive grinding and sandblasting are common ways to restore rusty metal surfaces and prepare them for painting.

CorrVerter rust primerA much easier and very effective alternative is to coat the rust with CorrVerter, a water-based rust passivating primer from Cortec Corporation. CorrVerter is a fast drying, water-based one-coat system that converts rusted surfaces to a hydrophobic passive layer and prevents further rusting through its unique formulation of chelating agents and PVDC resins.

CorrVerter simplifies surface prep. All that is needed is to remove the loose rust with a wire brush before spraying or brushing CorrVerter onto the corroded surface.

CorrVerter can be top coated with many different water-based and solvent-based coatings including urethanes, epoxies, acrylics, and alkyds. It shows excellent 5B adhesion (ASTM D3359) to coatings such as Cortec’s VpCI-396, a corrosion inhibiting urethane topcoat.

CorrVerter  is especially helpful when dealing with rust in areas where it is difficult to achieve good surface prep.