Powder Coating Filters
Powder Coating Filters are very
important for powder booth maintenance. There are three basic types of
powder coating filters for your powder coating system – powder
cartridges, final filters, and pocket bag filters. Powder coating filters
(powder cartridges) typically use an 80/20 cellulose paper/poly blend, or
100% spun-bond polyester media types. Powder coating filters (final
filters) are used after the cartridge filter housings. The most popular
types of powder coating filters (final filters) are usually 95%
efficient. Powder coating filters (final filters) are usually available
in box style, single header and double-header mounting variations.



Powder Booth Filters No
Header
Powder Booth Filter Single Header
Powder Booth Filter
Double Header
Powder Coating Filters (pocket
bag filters) are used in most “spray-to-waste” powder coating
paint booths. Powder coating filters (pocket bag filters) come
with an internal wire frame for support to be used within the
grid system of the paint booth. Powder coating filters (pocket
bag filters) in some operations are swept and vacuumed to
prolong the powder coating filters’ (pocket bag filter) service
life. FAQ’s regarding powder coating filters:
1.)How do I know which powder coating filters (powder
cartridges) will work best for me?
Answer: Powder coating filters (powder cartridges) are available
in various mounting styles & media types. Please contact Spray
America with any questions you may have regarding powder coating
filters.
How come my powder coating filters (powder cartridges) “plug up”
after I spray dark colored fine powder coat?
Answer: Powder coating filters (powder cartridges) can be
susceptible to a filter phenomenon called “blinding”. Powder
coating filter (powder cartridges) blinding can be reduced
through the usage of an 80/20 cellulose paper/poly blended media
type as apposed to a 100% spun-bond polyester media type.
If I am re-claiming my powder coat substrate for re-use, which
filter is best to use?
Answer: Powder coating filters (powder cartridges) that are
constructed using 100% spun-bond polyester are best to use in
this application.
Why does it seem like my powder coating filters (final filters)
may be plugging up inside of the powder booth?
Answer: Most likely, there may be a breach in your powder
coating filter’s system at the powder cartridge level. One must
check the installation of the powder coating filters (powder
cartridges) to ensure by-pass is not occurring.
My powder coating filters (final filters) have a picture frame
looking piece of metal on the face of them, which powder coating
filters (final filters) should I order?
Answer: Your powder coating filters (final filters) mount using
a “single-header” style. When ordering powder coating filters
(final filters) that look to have something that resembles a
picture frame mounted to them, make sure to specify & choose the
single-header type.
Why does the powder coat substrate I am spraying seem like it is
not adhered to my metal parts; is it a problem with my powder
coating filters (powder cartridges, pocket bag filters or final
filters)?
Answer: Powder coating filters may or may not be the problem
here. It is best to check the life of your powder coating
filters (powder cartridges, pocket bag filters, or final
filters) first, then check other variable such as powder gun
tips, etc.
How can I reduce the level of excess powder buildup in my powder
coating filters (pocket bag filters)?
Answer: Sometimes, powder coating paint booth operators may
vacuum or sweep excess powder coat particulate from the powder
coating filters (pocket bag filters). Other times, it is best to
change out to a new set of powder coating filters (pocket bag
filters).
Will using 100% spun-bond polyester powder coating filters
(powder cartridges) help to increase airflow in my powder
system?
Answer: It depends on what types of powder coat particulate is
being sprayed into the powder coating filters (powder coating).
As mentioned before, powder coating filter (powder cartridges)
blinding may reduce the amount of airflow through a powder
coating filter (powder cartridges).
Should I use an 80/20 cellulose paper/polyester blending powder
coating filter (powder cartridges)?
Answer: Yes, if you are not reclaiming the powder coat
substrate. The 80/20 cellulose paper/polyester is a great filter
for the value conscious powder coating filter (powder cartridge)
user.
10.)How can I stop more powder in my powder coating booth?
Answer: Use higher efficiency powder coating filters (pocket bag
filter) other than standard economy grade powder coating filters
(pocket bag filter).
For inquiries contact:
SprayAmerica.com Phone: 866.691.9431 Website: www.sprayamerica.com
E-mail: info@sprayamerica.com



