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Parts Draining During E-coat
At the end of the process, when the body gets out of the E-coat bath, sometimes incomplete draining of the body can occur and this can produce problems during the baking phase. Could you tell me more about the nature of these problems? Do some speci...
Ask an Expert Published: 12/1/2009
Heat-treated Parts and E-coat
Heat treated parts paint a little differently than plain steel parts, so I will try to explain the differences.
Ask an Expert Published: 12/1/2009
Electrocoat over Zinc-Plated Steel—Revisited
I wonder why you think the automotive community should be questioned for specifying a zinc or zinc alloy prior to E-coat. Performance testing done by all the major OEMs will confirm better corrosion performance with zinc or zinc alloy than with a ph...
Ask an Expert Published: 9/1/2009
Anodic or Cathodic E-Coat?
I recently heard about a company using an anodic E-coat on castings, and that it cures at a much lower temp. If the anodic E-coat takes less energy to cure, why isn’t it more widely used?
Ask an Expert Published: 6/1/2009
E-coating Over Zinc-Plated Steel?
The print calls for the part to be zinc plated before application of a cathodic epoxy E-coating. The customer apparently feels that the zinc plating will provide an additional level of corrosion protection. However, we have sent requests for quote t...
Ask an Expert Published: 6/1/2009
E-coat As A Primer For Powder
The spec called for electrocoat as a primer and a powder coating for the top coat. We have liquid and powder coating facilities in our plant, but we will have to send the parts to a contract coater for the E-coat process. Can you tell me why the E-c...
Ask an Expert Published: 6/1/2009
Back To The Basics
Perhaps it’s a sign of the times. Perhaps it’s the state of the economy. For some reason, many of our questions seem to be focused on an effort to gain a better understanding of the principles behind an E-coat system. I’ve recently been engaged in a...
Ask an Expert Published: 3/1/2009
Back to the Basics
For some reason, many of our questions seem to be focused on an effort to gain a better understanding of the principles behind an E-coat system. I’ve recently been engaged in an interesting e-mail dialogue with one reader in particular. Following is...
Ask an Expert Published: 3/1/2009
Clear E-coat vs. Anodizing
I can not find a specification for clear E-coating on aluminum castings. Can you help?
Ask an Expert Published: 12/1/2008
Pinhole size air pockets
Do you have any ideas on how to get rid of pinhole size air pockets in the coating?
Ask an Expert Published: 12/1/2008

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