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Supplier Contracts
Can we (the supplier) refuse to agree to early termination of a contract unless the customer agrees to increased prices or other concessions?
Ask an Expert Published: 7/1/2013
Anodize Cooling System Design
What material would you recommend for the chilling system that I need to install for my anodizing tank, which has a capacity of 1,800 L (475 gal)? Can I go for Type 316 stainless steel or copper pipe with lead plating?
Ask an Expert Published: 4/22/2013
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
Chromic Acid Anodize Failing Salt Spray Testing
We are performing salt spray testing on 2024 and 7075 alloy test panels that have been Type I (Chromic Acid) anodized. The test panels have been sealed in DI water at 96°C (205°F) for 25 min. The panels fail the salt spray test within 24 hr.
Ask an Expert Published: 5/1/2011
When Black Dye is Not Black
We are sending aluminum extrusions to our outside anodizer for Type II anodize and black dye, and we are encountering several problems, notably that the newly black anodized parts exhibit a greenish tint.
Ask an Expert Published: 5/1/2011
Painting Anodized Aluminum
Can you tell me the pros and cons of painting anodized aluminum?
Ask an Expert Published: 3/31/2011
Salts Build-up Around The Top of The Cathodes
The aluminum cathode bars in our Type II anodizing tank have become completely encrusted with white “salts” at the solution/air interface.
Ask an Expert Published: 2/18/2011
Producing a Thick Anodic Coating on 6061-T6
Our customer has requested .004-inch (100µ, 4 mil) coating thickness on 6061-T6. We normally anodize this part to .002-inch thickness. Our process is 28 V, bath temperature 32°F, for 1 hr. We are not sure of exactly what the best procedure is to har...
Ask an Expert Published: 1/11/2011
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

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