Orange Peel Powder Coating Defect Pictures

Posted by on 11 july 2017.
Orange peel powder coating defect pictures. It resembles the skin of citrus fruit hence the orange peel name. 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 when the surface of a coated product doesn t have an even smooth appearance to it after the coating is applied. 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.
Defined as an uneven texture of smooth finish products that resembles the skin of citrus fruit. Download our pdf guide solving conformal coating problems in the application process now. The expectations for what level of orange. 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.
Posted by on 22 september 2017. When powder coating jobs go wrong. However there are some basic things to check when addressing a particular orange peel problem. Back ionization can form when your gun to part distance kvs and microamps aren t monitored closely enough.
These areas with too much powder will suffer from back ionization and from defects like orange peel. When powder coating jobs go wrong. One of the most common quality issues with powder coating is an orange peel effect. Knowing orange peel in powder coating is not ideal it is important to know some of the.
This is when issues arise in the actual process of applying a powder coating to a substrate the result of which is then a reject. 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. The level of orange peel is visually determined by comparing to industry standards typically the powder coating institute pci visual smoothness standards. The level of orange peel is visually determined by comparing to industry standards typically the powder coating institute pci smoothness standard grading chart.
The most common powder coating defects and causes solving the problems. Powder coating application problems. We have divided the top powder coating problems into powder application problems and coating properties problems. Some powder formulations will appear to have more orange peel than others no matter what you try to do to avoid it.
Orange peeling is defined as an uneven texture on smooth finish products. 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.