Drop Pattern
A term relating to wallpaper where the pattern is not repeated on a horizontal line.
See wallpaper symbols.
Dry Film Thickness Gauge
Dry Film Thickness Gauge
Used to measure the overall thickness of applied paint coatings onto ferrous metal.
Dry Spray
A paint film which is bitty and rough caused by insufficient pressure to full atomise the paint, or a paint which is too high in viscosity, or the solvents evaporating too fast.
Drying Oil
Oil such as linseed, tung, soya which form a thin, hard film when exposed to air and allowed to oxidize.
Drying Time
The interval of time between the application and final cure of a coat of paint or varnish. (see Dust Dry, Surface Dry/Touch Dry, Hard Dry/Through Dry).
Durability
The length of time a coating will withstand the environment to which it has exposed to either internally or externally.