Larry Chesterfield (Aluminum Anodizing Consulting) discusses issues such as anodizing, stripping, cleaning and pretreatment, and quality control. Please select a topic from the list below.
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What is the process of racking a machined part to be anodized with no visible rack marks?
Ask an Expert Published: February 03, 2014
Anodizer looks for certification that an anodic coating is safe to use with food.
Ask an Expert Published: January 27, 2014
How do you achieve clear anodizing that is bright and clear?
Ask an Expert Published: January 20, 2014
We have a number of aluminum alloy aerospace products that are finished using either chemical film (MIL-C-5541) or anodizing in accordance with MIL-A-8625. Do we need to touch up the areas where laser markings have been placed in order to preserve the corrosion protection?
Ask an Expert Published: October 25, 2013
Our parts are generally Type III (hardcoat) anodized, sometimes duplex-sealed and sometimes unsealed. Our end-products are subject to sea water, and we try to adhere paint and polyurethane potting compounds to some of the parts. Would paint adhesion or adhesive bonding be enhanced by abrasive blasting prior to anodizing, maybe at 30 to 60 grit?
Ask an Expert Published: October 23, 2013
In the last year, we’ve had a string of anodized parts come back from the finisher that are “pitted.”
Ask an Expert Published: July 26, 2013
We anodize aluminum cookware and have recently been getting parts with black pits scattered all over them. What is this and how might it be happening?
Ask an Expert Published: May 06, 2013
What is a “water-break failure” test?
Ask an Expert Published: May 03, 2013
Is it possible and practical to seal hardcoat anodized (Type III) parts that have been in storage for about two months?
Ask an Expert Published: April 29, 2013
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: April 22, 2013