Coating test

Coating: to coat the metal surface of something with plastic for good-looking or storage, or a thin layer of metal, or to imitate a precious metal, and to coat the surface of ordinary metal with a thin layer of this precious metal.            Coating is often tested:            Composition analysis of coating            Micro morphology analysis            Membrane thickness test            Test of zinc and aluminum plating            ☆ steel wire galvanizing test            ☆ aluminizing test            Weight test of phosphate conversion coating            Grain size of phosphating film            Phosphating corrosion analysis            Anodizing film thickness of aluminum and aluminum alloy (gravimetric method)            Sealing quality of aluminum and aluminum alloy anodizing film            Adhesion test: bending, thermal shock, grid            On site thickness analysis            Paints and varnishes - Determination of resistance to liquid media