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Exploring the: Process (Etching/Sealing) Zone
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- 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
- 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
- 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
- PROBLEMS WITH BLACK DYED PARTS
- Our company manufactures enclosures for the medical and telecommunications industries. 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
- Oxalic Acid Anodizing—the Basics
- What are the general processing conditions for oxalic acid anodizing? Are they essentially the same as for sulfuric acid? Can titanium racks be used successfully in this process?
Ask an Expert Published: 2/1/2008
- Hardcoat Coating thickness Consistency and Uniformity
- My question is, is it possible for the parts to be anodized to more precision than 0.0004–0.0008 inches? What is the Martin process, and who does it?
Ask an Expert Published: 11/1/2007
- “Chasing” The Finish
- We are thinking about anodizing and before we get any further into that we would like your opinion about that type of finish on this product. Is it practical to do this? What are some of the things we should be aware of as we look for an anodizer?
Ask an Expert Published: 5/1/2007
- “Touch-up” For Scratches On Clear Anodized Parts
- Is there any recommended practice that you’d recommend that will touch-up scratched clear anodized extrusions other than stripping and rerunning the parts?
Ask an Expert Published: 8/1/2006