Zinc spray preparation for hot-dip galvanized products Application: repair of the damage of the zinc layer and anti-corrosion protection of carbon steel products at the intersections. - to prevent corrosion in the coating of fire products. - active corrosion protection according to DIN 50021 -resistance to salt 528 hours acc. DIN 20021 SS - corrosion-resistant zinc coating in the shade of fire-resistant zinc - protects against changing weather conditions. rust and salt - it is used to cover damaged (scratched) hot dip galvanized elements - I am looking to protect welds during spot welding - possible to varnish with all lacquers available on the market (it is advisable to perform the test)