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​Glossary of Common Powder Coating Terms

A

D

Delivery
The process of moving the powder through the application equipment to the end product

G

Grounding
The reference point in an electrical circuit from which voltages are measured, a common return path for electric current, or a direct physical connection to the Earth.

J

M

Micron/Mils
Common unit of measurement of coating thickness.  25.4 μ (microns or micrometers) = 1 mil (one thousandth of an inch)

P

Particle Size
Average diameter of an individual, irregular powder particle

S

Spray Booth
A specially designed enclosure in which powders are introduced, contained and recovered during the coating process.
Surface Appearance
Generally refers to the smoothness and gloss of powder coating films and the presence and degree of surface defects.
System Utilization or System Efficiency
The combined efficiency of each component in the powder coating system resulting in total material usage compared to the amount of material entered into the system.

V

Virgin Powder
Powder that has not been previously sprayed as opposed to reclaim powder.

B

Back Ionization
An excessive build up of charged powder particles which may limit further powder being deposited on the substrate.  The electrical charge on the surface layer may be reversed, repelling additional powder.
Bulk Density
Mass per unit of volume in powder form including the air trapped between particles

E

Edge Coverage
​A powder's ability to flow over, build and adhere to sharp corners, angles, and edges
Electrostatic Spray Technique
​A deposition method of spraying and charging powder so that it is deposited on a grounded substrate.  (See Corona Charging and Tribo Charging)

H

K

N

Q

T

Transfer Efficiency
The ratio of the powder deposited on the work-piece compared to the amount of powder sprayed during a fixed time period.
Tribo Charging
Process of creating a static electrical charge on powder particles by creating friction between them and a non-conductive material.

W

Wrap
A characteristic of electrostatic application for the powder to seek out and adhere to parts of sight of the delivery point.

C

Cartridge Filter
A cylindrical filter unit used to separate over-sprayed powder from air for recovery and reuse
Corona Charge
The process of inducing a static electric charge on powder particles by passing the powder through an electrostatic field generated by a high voltage device.
Cure Schedule
The time/temperature relationship required to properly fuse a powder coating
Cyclone
A type of recovery unit using a centrifugal process to separate over-sprayed powder particles from air flow.

F

Faraday Cage Effect
A condition that may exist on a substrate due to its geometric configuration that may inhibit the electrostatic deposition of powder particles at a specific localized area.
Film Formation
The forming of a continuous film by melting powder particles and fusing them together by the application of energy.
Fluidizing
The process of suspending  the powder in a continuous stream of air giving it "Fluid" characteristics.  Used to facilitate transfer of the powder to the application device.
Fusion
The melting and flow of individual  powder particles when heated to form a continuous film.

I

Impact Fusion
The combining of powder particles to form a solid mass during the delivery and application process.

L

Lower Explosive Limit (LEL)
The lower point for a range of concentrations of organic particles suspended in air which can be ignited  by a sufficient energy source.

O

R

Recovery
The process of removing non-deposited powder from the air prior to reclaiming it for reuse.

U

X

Y

Z

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Copyright © 2016
  • Home
  • About
    • History
    • Contact Us
    • Policies
  • Products
    • Manual Powder Systems >
      • Refurbished Manual Systems >
        • Refurbished Gema™ Powder Gun Control (PGC®)
        • Refurbished Gema™ EasySystem®
        • Refurbished Gema™ OptiTronic®
        • Refurbished Gema™ OptiFlex® 1
        • Refurbished Gema™ OptiFlex2®
    • Automatic Powder Systems >
      • Refurbished Automatic Systems >
        • Gema™ APS® Automatic Powder Systems (Refurbished)
        • Gema™ OptiMatic® Automatic Powder Coating System (Refurbished)
        • Gema™ OptiFlex® Automatic Powder System (Refurbished)
    • Control Units
    • Powder Coating Guns >
      • Manual Powder Guns >
        • Refurbished Manual Guns
      • Automatic Powder guns >
        • Refurbished Automatic Guns
    • Spare Parts >
      • Automatic Guns >
        • Aftermarket PG1-A® Gun
        • Aftermarket PG2-A® Gun
        • Aftermarket OptiGun® GA02 Gun
        • Aftermarket OptiGun® GA03 Gun
      • Manual Guns >
        • Aftermarket PG1® Gun
        • Aftermarket EasySelect® GM01 Gun
        • Aftermarket OptiSelect® GM02 Gun
        • Aftermarket OptiSelect® GM03 Gun
      • Powder Pumps >
        • Aftermarket PI-3® Powder Pump
        • Aftermarket OptiFlow® IG02 Powder Pump
        • Aftermarket OptiFlow® IG06 Powder Pump
        • Transfer Pump (Bulk Feed)
      • OptiFlex Systems >
        • OptiFlex B Parts
        • OptiFlex F Parts
      • OptiFlex2 Systems >
        • OptiFlex2 B Parts
        • OptiFlex2 F Parts
    • Powder Hoppers >
      • New Powder Hoppers >
        • 1.5lb Powder Hopper
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        • 150lb Powder Hopper
      • Refurbished Powder Hoppers
    • Pneumatic & Electrical Parts
    • Refurbished Gun Parts >
      • Refurbished Manual Guns >
        • Refurbished Gema™ PG1® Gun
        • Refurbished Gema™ EasySelect® GM01 Gun
      • Refurbished Automatic Guns >
        • Refurbished Gema™ PG1-A® Gun
    • Ancillary Equipment >
      • Refurbished Ancillary Equipment
      • New Ancillary Equipment
    • Special Deals >
      • Gema R14 Hopper (100lb)
      • Gema R24 Hopper (200lb)
      • Gema R36 Hopper (300lb)
      • Koch Filter
    • Gun Movers >
      • Refurbished Waggler Gun Mover
      • Gun Mover Mount Equipment
  • Technical Answers
    • FAQ
    • Common Powder Coating Terms
    • First In Finishing Documents
  • Financing
  • Services
  • Rebuilds
    • PG Series Rebuilds
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    • Manual Gun Systems Rebuilds
  • Category
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