Precision Engineered Coatings Coatings That Drive Innovation NP3 / Electroless Nickel PTFE NP3 / Electroless Nickel PTFE is a surface treatment for various metals and alloys which is an accurately applied, dry lubricated, low friction surface and is extremely hard and resistant to wear. Read More | Process Info Black Oxide Coatings Black oxide coatings provide a thin corrosion resistant oxide for ferrous materials. The black coating is both decorative and functional. Process Info Phosphate Coating CTI’s phosphate coating process produces a conversion coating or oxide that provides corrosion protection, as well as, a bondable surface for painting operations. Process Info NADCAP Approved Coating Technologies Inc. works tirelessly to maintain our accreditation with NADCAP. We’re committed to providing our partners with the best in quality metal finishing. About NADCAP Processes Get more information about CTI’s metal finishing processes including specification numbers, testing data, and more. See Processes Approved Vendor CTI is on the approved vendor list for organizations like Honeywell, Raytheon, Lockheed Martin, Northrop Grumman, Rolls Royce, and many more. See the full approved vendor list CTI is an approved vendor for: View the entire list Find Out More About CTI Today Contact Us By using this site you agree to CTI’s terms and conditions.