Third generation of AQUABLACK. AQUABLACK 202 was created to serve as a topcoat over
POLYZINC. AQUABLACK 202 has been specially formulated to work well over zinc flake coating & give 1000+ hours of corrosion resistance. However, when POLYZINC & AQUABLACK 202 are used together over zinc phosphate or grit blasted parts 1500+ hours SST may be achieved.