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Rinsing Blind Holes Prior to Dying
I have problems with leaching from blind holes in black anodized parts.
Ask an Expert Published: 10/31/2012
Anodizing: Current Density vs. Voltage
Can you detail the procedure for anodizing using the current density method? What are the quality advantages for us to completely change our processing technique?
Ask an Expert Published: 10/24/2012
Titrating Sulfuric Acid Anodizing Baths
Do you have a recommended analytical method to determine the sulfuric and aluminum concentrations in sulfuric anodizing solutions?
Ask an Expert Published: 8/6/2012
Color Matching
We have an accepted color that we are using for a dyed anodized finish on 6061. Over the years, the approved color somehow went from an original production run coupon to a standard Pantone color. Unfortunately, the Pantone color doesn’t match the ap...
Ask an Expert Published: 8/3/2012
Alkaline Etching
What should be the maximum aluminum content in alkaline etching to avoid galvanized appearance (also known as spangling) in anodized (type II, natural, 10u) 6063 T6 extrusions? Do you think complexed aluminum helps to attain micrograin matte finishe...
Ask an Expert Published: 5/1/2012
Ink Printing on Anodized Aluminum
We anodize small sheets and then digitally print on them. The time between anodizing and printing can be weeks. After 2–3 weeks, the anodic layer does not seem to absorb the solvent dye as well as it does after 1 or 2 days. How can we prolong the ti...
Ask an Expert Published: 4/30/2012
Hardcoat Anodize Thickness Problem
During the anodizing cycle, how can we check to see if the coating thickness is reaching the thickness requirement stated on the drawing?
Ask an Expert Published: 2/1/2012
Is it Anodized or Not?
What would be the best way to indicate whether or not an aluminum part has been electro-polished and anodized?
Ask an Expert Published: 2/1/2012
Technical References for Anodizing
Are there any resources to read and keep on hand as references for troubleshooting appearance issues?
Ask an Expert Published: 2/1/2012
Blistering of Anodic Coating on 7075 Alloy
We are facing a blister problem on 7075 alloy inside the bore diameter of our cylinder base. We noticed that this problem is occurring during dyeing process and not after hard anodizing.
Ask an Expert Published: 10/25/2011

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