Aerospace Defense Coatings of Georgia

Zinc Phosphate Coating

Zinc Phosphate Coating

This process involves coating ferrous metals with zinc phosphate by immersion. The resulting coating has many benefits:

  • Corrosion Resistance
  • Allows Adhesion of Lubricants

Zinc Phosphate Coating Capabilities

Type of Plating
Zinc Phosphate Coating
This process creates a corrosion resistant coating that allows the adhesion of lubricants or paints.
Process Approvals
For Zinc Phosphate Coating we adhere to:
  • TT-C-490E: Chemical Conversion Coatings and Pretreatments for Ferrous Surfaces (Base for Organic Coatings)
TT-C-490ETT-C-490E (PDF - 57KB)
Zinc Phosphate
Base Materials Worked
This specification focuses on zinc phosphate coating of all ferrous metals (Iron and Steel).
Plating Type
Zinc Phosphate Coating shall be of the following types:
  • Type I = Zinc phosphate spray application (150 mg/ft2 min - 500 mg/ft2 max) or Zinc phosphate immersion or dip application (300 mg/ft2 min - 500 mg/ft2 max)
  • Type V = Zinc phosphate (500 mg/ft2 min - 1100 mg/ft2 max)
All zinc phosphate coating processes are performed manually to ensure the proper care is given to each step.
Additional Operations
We offer several additional operations that may be required for your product: Cleaning, Magnetic Particle Inspection (NDT), Penetrant Inspection (NDT), Hardness & Conductivity Testing (NDT), Dry Film/Solid Film Lubricants and Primer & Topcoat Painting.
Please let us know if you require any of these additional services.
Quality Control
All plating processes are subject to our rigorous Quality Assurance process. All work is reviewed and inspected to be in compliance with the specification (Process Approval requested).
Industries Served
We are committed to providing the aerospace and defense industries with the highest quality metal finishing, testing, and painting available.
Environmental Responsibility
As a corporate citizen, we are committed to responsibly protecting our environment. We have a state-of-the-art $2 Million Waste Prevention System in place. All hazardous waste materials are 100% recycled and rendered harmless.

We know that this is important to you, and so we maintain an open door policy concerning environmental inspections of our facility.
With over 50 years in the metal finishing industry, we have the expertise you can depend on.
Minimum Order
We can provide zinc phosphate coating for prototype to high volume runs.
Drawing Submissions
We accept both e-mailed (DWG, DXF, PDF, all image files) and faxed drawings.
Special Instructions
Please Attach Drawing to Request Information Form.