Equipment at PT Powder Coat -
Dedicated In-house Sandblasting Booth
Our in-house Sand
Blasting equipment
includes a 25’ x 10’ x 8’
Booth, Heavy-duty Air
Compressor, Compressed Air Dryer for
moisture control, and a Blast Machine
fitted with a filtered, pneumatic
abrasive recovery system, all to ensure
quality blasting operations.
The Sandblaster shoots the
abrasive over the part surfaces
removing mill scale, surface rust,
defects, and weld splatter, helping to
prepare the substrate for adherance to
the paint.
Power Wash, Rinse, & Pre-treatment
Our overhead conveyor
guides metal parts
through a multi-jet
spray power wash and rinse to remove
oils, grease, waxes, contaminates, and
debris. With the surfaces well-cleaned,
the next step applies an Iron
Phosphate Pre-Treatment layer for
rust and corrosion protection, as well
as increased powder coating adhesion,
all of which adds to the expected
lifetime of the treated lot of parts.
Treated parts are then sent to the
Dryoff Oven to be evaporated of all
moisture.
Overhead Conveyor Powder Coating
Booth
After emerging from
the Dryoff Oven, any
needed masking is
applied to the parts. The lot is then
sent to the Powder Coating Booth for
application of the chosen color &
texture of powdered paint. (Optional
primer layer available upon request.)
Electrostatic Spray Process: Using
compressed air, the paint particles are
forced through the applicator gun
giving them a positive charge and
allowing them to evenly spread over all
unmasked faces of the part which has
been given a negative charge through
grounding. The opposite charges
attract causing the powder to attach to
the exposed surfaces.
Temperature Controlled Paint Curing
Oven
Once the sprayed
powder layer has been
applied, the parts are
moved into the curing oven where
heat causes the paint powder to melt
and flow out evenly across the part
surfaces, yielding an attractive, strong
barrier coating that protects the metal
beneath. The cured parts are removed
from the oven to cool, and then they
are wrapped and prepared for
delivery.
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