Trivalent chromium (Cr+3) and Hexavalent chromium (Cr+6) are the most common material that used in Chrome plating.
Chrome Plating requires many steps to get a well-plated final parts.Strict quality control is key important.
Final Inspection: Each part need to be cleaned and inspected, including surface visual checking like color, defects etc, and also other necessary testing like the adhesion testing, salt spray testing, water immersion testing, peel strength testing, temperature resistance testing and heat resistance testing etc.