Aluminum Anodizing Technical Bulletins

A comprehensive overview of acid etching for architectural anodizing covering its chemistry, advantages over caustic etching, process control, equipment needs, and environmental health and safety considerations.

A selection guide detailing the characteristics, color variations, machinability, and maximum practical oxide thickness of common alloy series.

A quick-reference chart of chemical compositions and mechanical properties to help determine the anodizing quality (A.Q.) and finishing suitability of various alloys.

Covers the chemistry and metallurgical factors of bright dip baths, including step-by-step analytical methods for testing specific gravity, nitric acid, and aluminum content.

An analysis of historical and current caustic etching practices, exploring how variables like temperature and "long-life" formulations impact surface appearance and waste.

A direct comparison of production processes, color matching, durability, and cost-effectiveness between these two standard colored finish classifications.

Explains how the non-conductive, dielectric properties of aluminum oxide affect resistance and breakdown voltage, making it ideal for electromagnetic windings.

An introduction to the two-step coloring process, highlighting equipment setup, chemistry, and the superior lightfastness and weather resistance it provides.

A comprehensive reference defining the key chemical, electrochemical, equipment, and material terms used across the aluminum anodizing industry.

A summary of major hardcoat specifications and processing variables, including a breakdown of electrolytes, current densities, voltages, and sealing options.

Explores substrates, environmental factors, and anodizing processes to help match the right epoxy, acrylic, urethane, or silicone adhesive to your application.

Provides process guidelines and specific abrasive grit recommendations for surface, cylindrical, and internal grinding, as well as polishing and lapping.

A guide to effective rinsing practices, detailing techniques like counter-flow and spray rinsing to prevent bath contamination and optimize water consumption.

Compares hot water, nickel, mid-temperature, and cold sealing methods, highlighting how distinct seal chemistries and additives impact product durability.

A walkthrough of standard designation systems (Aluminum Association, Alcoa, military) to help designers and specifiers accurately outline appearance and thickness requirements.

A comprehensive lookup tool cross-referencing thickness, seal quality, and corrosion resistance parameters with their corresponding ASTM, ISO, and military standards.

Details the operational, energy-saving, and environmental advantages of switching from traditional lead cathodes to aluminum cathodes.