MIL-HDBK-1110
NRR.
Noise reduction rating.
NSF.
National Sanitation Foundation.
Oleoresinous.
Vegetable or fish oil resin that cures by air
oxidation.
Opacity.
Hiding power; ability to obscure underlying surface.
Orange Peel.
Hills and valleys in paint resembling the skin of
an orange.
Organic Coating. Coating with organic binder, generally of
petroleum or vegetable origin.
OSHA.
Occupational Safety and Health Administration.
Overcoat.
Top coat.
Overlap.
Portion (width) of fresh paint covered by next layer.
Overspray.
Dry spray, particularly such paint that failed to hit
target.
Paint.
Coating materials used in painting.
Paint Heater.
Device for lowering viscosity of paint by heating.
Paint Program.
Comprehensive painting plan.
Paint System. Surface preparation, and the complete number and
type of coats comprising a paint job.
Pass (Spray).
Motion of spray gun in one direction.
Peeling. Failure in which paint curls or otherwise strips from
substrate.
Perm. Unit of permeance; grains of water vapor per hour per
square foot per inch of mercury-water vapor pressure difference.
Phosphatize. To form a thin inert phosphate coating on surface
usually by treatment with phosphoric acid or other phosphate
compound.
pH Value. Measure of acidity or alkalinity; pH 7 is neutral; the
greater than 7.
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