GLOSSARY
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I
IMBEDDING
The application of tape in joint compound
as the first step in joint treatment.
IMMISCIBLE
Not miscible (mixable). A quality of
any liquid that will not mix with another specified liquid, in which
case it forms two separate layers or exhibits cloudiness or turbidity.
IMPACT RESISTANCE
A measure of resistance to a blow; ability
to resist deformation from impact.
IMPACT TOOL
A power tool that cleans by striking
a surface.
INCOMPATIBILITY
Inability of a material to mix with another
material without compromising its original properties.
INDUCTION TIME
The time interval that must elapse after
mixing the components of a multi-component paint before application
can begin.
INERT
A material that will not react chemically
with other ingredients.
INHIBITIVE PIGMENT
A pigment that when formulated into a
coating provides active corrosion inhibition to a metal substrate or
inhibits some other undesirable effect.
INHIBITOR
General term for compounds or materials
that slow down or stop an undesired chemical reaction such as oxidation,
corrosion, drying, skinning, mildew growth.
INORGANIC ZINC-RICH COATING
Anti-corrosive primer for iron and steel
incorporating zinc dust pigment in an inorganic silicate vehicle.
IN-PLACE MANAGEMENT
A series of steps used as an alternative
to lead-based paint removal. Improves condition of intact lead-based
paint to reduce and/or eliminate hazards without total removal.
INTERCOAT ADHESION
Adhesion between successive coats of
paint or a coat of paint and the base substrate.
INTERCOAT CONTAMINATION
Presence of a contaminant between coats
of paint.
INTERCOAT DISBONDING
Failure of a coating to adhere to a previous
coating layer or to the base substrate.
INTERIOR VARNISH
A clean coating designed specifically
for use on interior surfaces. Floor varnishes are characterized by a
high resistance to abrasion in order to withstand foot traffic.
INTERMEDIATE COAT
One of more coats of paint between the
primer coat and the finish coat.
INTRACOAT ADHESION
Cohesion within a coat of paint; the
ability of a paint film to hold itself together.
INTRACOAT DISBONDING
Failure of a coating layer to cohere
or hold itself together.
INTUMESCENT COATING
A fire-retardant coating that, when heated,
forms a foam produced by none flammable gases, such as carbon dioxide
and ammonia. This results in a thick, highly insulating layer of carbon
(about 50 times as thick as the original coating) that serves to protect
the coated substrate from fire.
ISOCYANATE
A compound containing the chemical group
-N=C=O. When the iso-cyanate groups are cross-linked with a hydroxyl-containing
material (polyol), a urethane polymer is formed.
