TM55-1500-345-23
Definitions
Common Painting Terms
The resistance of a surface to being worn by rubbing or friction.
Abrasion Resistance
A family of synthetic resins made by polymerizing esters of acrylic
Acrylic
acids.
The name applied to petroleum products which are straight-chain
Aliphatic
hydrocarbons derived from a paraffin-base crude oil.
Asynthetic resin which is the condensation product of a Polybasic
Alkyd
acid such as phthalic, a polyhydric alcohol such as glycerin and an
oil fatty acid.
A form of paint failure in which cracks form on the surface layer on-
Alligatoring
ly. It is caused by the application of thick films where the underly-
ing surface remains relatively soft.
The nonvolatile portion of a coating vehicle which is the film-
Binder
forming ingredient used to bind the pigment particles together.
A condition which exists when the color of a dye, stain or pigment
passes through the top coat producing a stain. It occurs when the
pigment is somewhat soluble in the vehicle of the top coat.
A paint film failure usually caused by application of paint on a sur-
Blistering
face containing an excessive amount of moisture or other volatile
material.
A term applied to lacquers when they become partially opaque,
Blushing
cloudy or translucent upon application or drying. Fast-evaporating
solvents may cool the film enough to cause water condensation,
and resultant precipitation of solid materials.
A substance which accelerates the speed of a chemical reaction.
Catalyst
The presence of a loose powder on the surface of a paint after ex-
Chalking
posure to the elements.
A phenomenon manifested by slight breaks in the surface of the
Checking
paint film.
The fusing together of a latex film upon evaporation of water.
Coalescence
Same as webbing - see webbing.
Cobwebbing
