Zinc Phosphate Coating


Keystone industrial zinc phosphate coating is a process that is widely used to improve corrosion resistance and paint adhesion on steel and iron parts. We have facilities for zinc phosphate coating on both small and large parts in various sized barrels and racks. Keystone Zinc Phosphate is excellent at absorbing oil or wax. Please call us today to inquire about your Zinc Phosphate needs. You won't be disappointed.


Specifications For Zinc Phosphate Coating

Keystone Corporation's Zinc Phosphate Coating meets the following specifications:

  • TT-C-490D
  • MIL-STL-1715 5.3.1
  • TT-C-490
  • VGS 6.2.3

    *Keystone Corporation can process parts up to 10 feet in length that weigh up to 8,000 pounds


Applications For Zinc Phosphate Coating

  • Serves as a uniform base for paint adhesion
  • Good non-metallic crystalline coating for absorbing oil or wax
  • Great way to protect parts from corrosion or wear