... thickness of non-magnetic coating layers (aluminum,chrome,copper,ename1,rubber,paint) on magnetic substrate (steel, iron, alloy and magnetic ... thickness of all non-magnetic coatings such as varnish, paint, enamel, chrome, copper,zircon... on non-ferrous metal ... materials. Also electrically insulating coatings, such as lacquer, paint and anodising coatings on non-ferrous metals are accurately measured ...