It can be caused by a film being too thick or thin or other issues.
Orange peel powder coating defects.
And resembles orange peel specialized coating systems pty ltd www speccoats co za 0861 37 2468.
Coating defects fault finding coating defects page 1 of 35 issue date.
One of the most common quality issues with powder coating is an orange peel effect.
Powder coating defects and causes related to application are the easier issues to solve.
Rejects are the bane of any job shop s existence when applying powder coatings pulling a part out of the oven only to see disappointing orange peel spoiling the powder coated finish sections where the coating has sagged or opacity issues bring a sigh of frustration alongside the question of what happened.
Powder coating application problems.
The level of orange peel is visually determined by comparing to industry standards typically the powder coating institute pci visual smoothness standards.
These areas with too much powder will suffer from back ionization and from defects like orange peel.
Excessive is in the eye of the beholder of course.
Orange peel is when the surface of a coated product doesn t have an even smooth appearance to it after the coating is applied.
We have divided the top powder coating problems into powder application problems and coating properties problems.
Below you will find a description of the problem its possible causes and how to solve it.
Posted by on 11 july 2017.
Knowing orange peel in powder coating is not ideal it is important to know some of the.
Rejects are the bane of any job shop s existence when applying powder coatings pulling apart out of the oven only to see whorls of orange peel powder sections where the coating has sagged or opacity issues bring a particular kind of dread alongside the question of what happened.
The term orange peel refers to a bumpy coating surface that resembles the surface of an orange.
Hi as described orange peel is in fact a surface defect.
One of the most common causes for this is the quality of the powder coating you are applying mainly the particle size distribution as described by shane.
Orange peel is short or long waviness of the powder coating after curing.
Whether your powder coating or liquid coating orange peel is usually not desirable because it creates a poor overall finish appearance when your all done coating your product.
Coating defects fault finding coating defects page 10 of 35 issue date.
Back ionization can form when your gun to part distance kvs and microamps aren t monitored closely enough.
It may be barely noticeable or very obvious.
It is not considered a defect if it is not excessive.
When powder coating jobs go wrong.