Previous article we briefly introduced how to identify painting or plating finish for metal eyewear.
As we understand generally plating finish metal eyewear more firm and compact than the painting finish metal eyewear. According the disadvantages, how to make painting metal eyewear more firm and compact?
Normally, before metal eyewear painting processing, it should be plated a layer of chrome finish first, it can make painting metal eyewear as firm and compact as plating finish metal eyewear.
Chrome finish divide into white chrome and black-chrome finish. Black or matt black metal eyewear used black chrome finish; other painting metal eyewear used white chrome finish. To take an example, White, Red, Blue, Green, Purple, Yellow etc…
Why chrome finish can make painting finish metal eyewear as firm and compact as plating finish metal eyewear?
This is because chrome finished metal eyewear surface can form a honeycomb-like structure, which greatly improved the adhesion of painting on metal eyewear. Below picture under microscope for reference.
As for a metal eyewear supplier, the disadvantage of Chrome finish metal eyewear is that it is high difficult to rework .