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Parts Cleaning Clinic: Phosphate Coating Problems
Q. We electrocoat sheet metal, iron castings (machined and non-machined) and aluminum castings (machined and non-machined surfaces) and are having problems with poor phosphating on aluminum substrates. We maintain the free acid at 0.7-1.1 points and...
Ask an Expert Published: 11/1/2016
Parts Cleaning Clinic: Pretreatment Equipment Suppliers
Q. I am researching manufacturers of aqueous part washers and phosphate pretreatment systems for powder coating, looking for companies that build conveyor systems, washers and treatment systems; not parts washers. The parts to be cleaned are various...
Ask an Expert Published: 11/1/2016
Powder Clinic: Powder Versus Galvanizing
Powder Coating or Galvanizing: Which offers the best long-term protection from corrosion?
Ask an Expert Published: 10/1/2016
Parts Cleaning Clinic: Zinc Shot Blasting, Zinc Plating Alternatives
David S. Peterson talks zinc shot blasting, zinc plating alternatives, and advantages to reducing the heating of alkaline cleaners.
Ask an Expert Published: 10/1/2016
Powder Clinic: Pinholes Mentioned in July Issue
Q. Just read the article in most recent issue of PF about our problem and wanted to respond with what we found out.
Ask an Expert Published: 8/23/2016
Powder Clinic: Is Blasting Enough for Preparation?
Q. I am looking into making the switch from liquid to powder coating. I have an experienced powder coater who says all my aluminum and steel parts need is to be blasted, and that should be good enough. But I am finding mixed reviews online. So is th...
Ask an Expert Published: 8/23/2016
Powder Clinic: Adhesion of Powder to Brass
Q. I’ve heard from a few vendors that brass presents challenges with adhesion, whereas steel and aluminum do not. What is the reason for this?
Ask an Expert Published: 8/1/2016
Powder Clinic: Outdoor Durable Powder
Q. We have a large job that requires protection from sunlight. What kind of powder we should use?
Ask an Expert Published: 7/1/2016
Powder Coating Q&A: Micro-Porosity in Cured Coating
When our parts are inspected, there seem to be thousands of very small pin pricks.
Ask an Expert Published: 6/1/2016
Powder Coating Q&A: Requirements for Breathing PPE in a Powder Operation
What kind of breathing protection is required for compliance with health and safety standards?
Ask an Expert Published: 6/1/2016

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