Letter 39083

Spalling of Sulfuric anodized (Black) 2024 aluminum  

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I am looking for probable causes for the spalling of anodized 2024 material after being heated to 130 drgs. F and wiped with Isopropyl Alcohol [link is to product info at Amazon] ?

Bill Haufler
Donal Machine - Petaluma, CA, USA

Answer or follow-up on this subject (in non-commercial fashion).

 

My company is a supporting advertiser at finishing.com and we want the contact information to reach the inquirer privately.

 

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