Coating Services Terms
The strength of the coating bond to the substrate. Some techniques for
measuring adhesion include the tape test, scratch adhesion test and stud-pull-off
used to apply an adhesive or bonding agent, including squeeze bottles,
pressure tanks, glue guns and coating machinery.
– A non-volatile material,
commonly a resin, in a coating that forms a film by binding the pigment
and additive particles together.
– A chemical agent,
sometimes added to waterborne coatings, which prevents microbial degradation
by killing the organisms that cause it.
– A compound
made from tar or asphalt that provides a protective finish for a surface.
– A machine
used to apply defect-free films to products. Factors that affect the quality
of the coating include line speed, viscosity and percent solids.
– The ability of a
substance to adhere to itself. When delamination occurs within a material,
it is referred to as cohesive failure.
– Also known as
“cohesive failure,” it is the separation of a coating from
its substrate. Delamination can also refer to the division among multiple
– A material that is quite
stable when exposed to harsh environments and is applied to such products
as semiconductors, chemical processing, wire, cable, piping and tubing.
Hylar is useful in the preparation of corrosion-resistant coatings for
chemical process equipment and durable decorative finishes on building
panels, due to its ability to be dissolved at high temperatures in certain
polar solvents, such as esters and ketones.
– A glass-fiber, reinforced
polyamide nylon material that provides superior insulation, strength and
durability, especially on windows.
– A material used in coating
applications to provide high mechanical and dielectric strength, thermal
stability and abrasion, chemical and solvent, UV and radiation and weathering
resistance. Kynar coatings have been used as pipe liners in chemical processing
plants, on equipment that is constantly exposed to high concentration
of chlorine and chlorine dioxide, typically in paper and pulp processing
plants, and in silicon microcircuit fabrication.
– An atypical polymer
conformal coating that conforms to almost any shape.
– The material that
is being coated.
– An adhesion
test for coatings that normally uses a diamond stylus to apply a force
to the coating. The test is affected by factors that include the substrate
material and its hardness, the geometry of the part and the thickness
and hardness of the coating.
An adhesion test in which a stud containing a head with a specified surface
area is epoxy-glued to the coating. A machine pulls on the stud with amplifying
force until it is pulled off.
– An adhesion
test in which a certified tape is adhered to a coating and removed. If
any coating is observed on the tape, it is a sign of an adhesive problem.