TRIVALENT CHROMATING SOLUTION
Agency: Metals Industry Research and Development Center (MIRDC)
Field / Industry: Electroplating
Patent Number / Registration Number: 2-2011-000645
Status of Application: Granted
Brief Description / Features of the Technology:
This is a chromating solution comprised of chromium, cobalt sulphate with ammonium fluoride and nitric acid. It is used for aluminium conversion coating process. Conversion coating of aluminium alloys using this hexavalent-free chromating solution will improve the quality of the aluminium product.
Problem Addressed:
Hazard of Hexavalent Chromium
Advantages:
Easy formulation and process application
Market Potential / Application:
- Chemical Formulation
- Aluminum coating
Inventors:
Maria Gracia M. Peralta
Keziah Macaraeg
Felix C. Banawa