jpdesign":2tnnv7bi said:
anodyzing is a finish that eats into the surface of the metal and deposits dyes. It doesn't add to the metal. Powder coating puts the color in a layer over the metal. This layer is thicker than paint by a good deal. I will change the deminsions of the parts.
Jimmy
Mmmm...that's a bit simplistic.
Any coating builds up the surface being coated, from hard chrome to anodizing to powder coat. Ideally, that buildup is measured in microns, rather than 1/1000s, but either way...
Hard chrome and anodizing have the least build up because they are bonding to the surface of the metal. Powdercoat/moly coat, properly applied is probably the "next best", as it is applies to a surface that has been agressively blasted and it is baked on, fractionally reducing the total volume on the surface. Duracoat and similar paints really add too much to be used on tightly fitting parts. It can be done, but it won't last as long as one of the hard coats or even one of the bakes (on close fitting surfaces).