Zinc Chromate Green Primer

For aluminum surfaces above or below the waterline use our Zinc Chromate. THis power primer etches ino the aluminum; forming a strong surface/primer union tat is resistant to corrosion.For steel and iron surfaces; especially welded joints; above or below the water line; use Zinc Cold Galvanizing or Zinc Phosphate. This corrosive barrer contains a high percentage (95%) of zinc; for maximum resistance against solvents & abrasions.