Powder Coating Quality Issues
First the surface is overly prepped or not properly clean or second the powder was not properly applied or not properly cured. High or low weight of coating.
Chalk epoxies and epoxy hybrids are not recommended for parts that will be outdoors.
Powder coating quality issues. Poor powder coating adhesion. Epoxy has 1 to 3 months durability when outdoors based on southern florida conditions. Below are a few of the most common powder coating application problems.
Yellowing can occur if the wrong powder coating is chosen. Powder coating defects and causes related to application are the easier issues to solve. Uv light effects the powder coating binder which impacts the gloss and color of the finish.
Orange peel is generally the result of one of two primary problems. High thickness of the phosphate coat poor de greasing presence of contaminants and low quality steel cause poor adhesion of powder coating to substrate. Powder coating finish problem 2 finish appears unsmooth if your finish appears uneven and unsmooth this is usually due to orange peel happening.
Among the causes of low weight or high weight phosphate coat are very low or very high density phosphate solution or accelerator low or high temperature and short or long phosphating process duration. What you should know. Very often problems arise here simply because equipment is on the wrong setting or has not been properly cleaned.