We have divided the top powder coating problems into powder application problems and coating properties problems.
Orange peel powder coating defect.
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.
The orange peel defect is an uneven textured surface of the conformal coating often appearing dull which can look like the skin of the orange or golf ball.
These areas with too much powder will suffer from back ionization and from defects like orange peel.
Below you will find a description of the problem its possible causes and how to solve it.
Posted by on 11 july 2017.
It resembles the skin of citrus fruit hence the orange peel name.
Applying powder coatings can sometimes be tricky.
Defined as an uneven texture of smooth finish products that resembles the skin of citrus fruit.
Back ionization can form when your gun to part distance kvs and microamps.
The expectations for what level of orange.
Sometimes jobs go wrong.
The level of orange peel is visually determined by comparing to industry standards typically the powder coating institute pci visual smoothness standards.
Orange peel is when the surface of a coated product doesn t have an even smooth appearance to it after the coating is applied.
When powder coating jobs go wrong.
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.
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.
We tke a look at some common application issues and how to prevent and deal with them.
Some powder formulations will appear to have more orange peel than others no matter what you try to do to avoid it.
The most common powder coating defects and causes solving the problems.
Knowing orange peel in powder coating is not ideal it is important to know some of the.
Hi as described orange peel is in fact a surface defect.
The level of orange peel is visually determined by comparing to industry standards typically the powder coating institute pci smoothness standard grading chart.
First if you are using the electrostatic corona gun reduce the level of kv s you are using to charge the powder approximately 40 60.
However there are some basic things to check when addressing a particular orange peel problem.
Orange peeling is defined as an uneven texture on smooth finish products.
One of the most common quality issues with powder coating is an orange peel effect.
Download our pdf guide solving conformal coating problems in the application process now.
When powder coating jobs go wrong.
