Insights to Anodizing Solutions For Die-Casting Aluminum Alloys A recent correspondence I received related to difficulties with hard anodizing a cast aluminum product. The cast part was receiving a black hardcoat anodic coating. The company was experiencing several consistent problems…

Aluminum Anodizing Process: Techniques for Minimizing Rack Marks As a service provider of aluminum anodizing, we are often asked the question, “Can you anodize an aluminum part without leaving a rack mark?” The simple answer is no – but you…

INTRODUCTION The electrolytic coloring (“two-step”) process was first in use in Europe and Asia during the 1960’s (Asada Process), and was introduced in the USA during the 1970’s by ALCAN. The earliest claim to coloring anodized aluminum belongs to Italian…