OEM
Original Equipment Manufacturer
Off-colour
Not matching the colour standard to which the coating is being compared.
Ohm
A unit of electrical resistance.
Opacity
Ability to hide the substrate at a given film thickness.
Orange Peel
A wavy irregularity in the surface of a coating film created by the flow characteristics. Orange peel appears as an uneven or rough surface to the eye, but usually feels smooth to the touch.
Organic
Substance containing carbon components.
Oscillator
Device for moving automatic guns in a vertical plane to provide uniform and increased powder coverage.
Oven
Chamber or enclosed area for the purpose of curing by heat or energy the coating.
Overbake
Applying more heat or energy than is required to fully cure the powder coating. Overbaking can result in discolouration, loss of gloss or deterioration on mechanical properties.
Overcoat
Applying a second coating of powder.
Overspray
Material that does not deposit on the component and goes to the recovery system