« Prev | | Next »

Sort by:


ASTM Test Comparison
What is the difference between ASTM B136-84 and B-136-77 for the Modified Dye Stain Test?
Ask an Expert Published: 8/1/2010
Black Power on Die Casting After Anodizing
After anodizing there is a loose, black powder that can be removed just by touch. Can you tell me why this happens and recommend a method to prevent it?
Ask an Expert Published: 8/1/2010
Dying Anodized Parts With Small Holes
We send our 6061 aluminum bars to an outside anodizer for Type II anodize and black dye. These parts have several very small diameter, blind holes, both threaded and non-threaded. When we get these parts back from the anodizer, the tapped holes will...
Ask an Expert Published: 8/1/2010
What is the Correct Anodizing Specification?
My company fabricates aluminum and steel pedestrian bridge railing among other bridge parts. We recently got an aluminum railing job that called for “Type I” anodizing per MIL-A-8625. There was no anodic coating thickness called out. We are not anod...
Ask an Expert Published: 5/1/2010
Teflon Impregnation and Wear
Does Teflon-impregnated aluminum offer a higher resistance to wear or corrosion?
Ask an Expert Published: 2/1/2010
The Problem of Sealing Smut
Is there an anodizing cleanliness standard that is reasonable for our suppliers to meet? Is there an ISO, ASTM, IPC, Nadac or any other standard?
Ask an Expert Published: 2/1/2010
Dichromate Sealing and Fatigue Life
We are looking for some references that show that dichromate sealing restores the loss in fatigue life caused by hard anodizing aluminum alloys.
Ask an Expert Published: 2/1/2010
More on Anodizing Die-Cast Aluminum Alloys
The anodized parts are a dark gray color. In addition, we perform a salt spray test and the parts show corrosion pitting over more than 10% of the test panel after only 72 hr. Do you know if this is normal?
Ask an Expert Published: 2/1/2009
Stripping Hard Anodic Coatings
Our company has an anodizing vendor that recently had some problems with our hardcoat anodized (Type III) parts. The problem was leakage around the masking, resulting in poor quality parts. The anodizer claims they can chemically strip the hardcoat...
Ask an Expert Published: 2/1/2009
Problems with Black-Dyed Parts
Recently, we’ve had rejected parts because the black dye is coming off when the parts are wiped down with DI water.
Ask an Expert Published: 11/1/2008

« Prev | | Next »


Suppliers | Products | Experts | News | Articles | Calendar | Process Zones

The Voice of the Finishing Industry Since 1936 Copyright © Gardner Business Media, Inc. 2015

Subscribe | Advertise | Contact Us | All Rights Reserved