The electrical potting compound is a plastic material in
which microelectronic devices are enclosed. These devices are commonly used in
commercial applications. It is a liquid that is composed of two parts, that is,
a resin and a hardener. These two compounds are mixed together thoroughly
following a certain ratio until there is uniformity. The mixture is then
de-aired under low-pressure conditions to make it ready for application. The
electrical potting compound is also known as an encapsulant. There are several
variations of this compound in the market including epoxy and polyurethane. The
acrylic potting compound is made with heat and ultraviolet light hardening
materials. Polyester can also be used in addition to the other hot melt potting
compounds.
The electrical potting compound is the ideal solution
because of several features that it has. This compound has a very low viscosity
therefore making it work efficiently. It also possesses a long pot life at the
application temperatures. The compound is meant to have the ideal cure speed at
a certain temperature to make it applicable in most situations. It is
compatible with most surfaces and offers good adhesion. It is very resistant to
filler settling. The benefit of using this compound is that it can work
properly over a wide range of temperatures. in addition to that, it has good
electrical insulation properties.
Coniferous trees and several other plants secrete a
biological compound known as resin. Majority of the varnishes and adhesives are
made from this biological compound. In addition to that, the resin is also used
in numerous industries including the cosmetic industry to manufacture nail
polish. In the electrical potting compound, a synthetic form of resin is used
and not the natural compound. However, they have the same properties. Resin is
a viscous liquid that will harden under certain conditions. The process that is
involved to make the synthetic compound is known as esterification. Soaping of
organic compounds can also lead to the formation of resin. Epoxy, on the other
hand, is stronger than cement and also waterproof. It is used to make potting
compounds that are can conduct heat. This is essential in dissipating the heat
buildup that might form in the electric assembly. This feature also ensures
that the motors do not overheat and malfunction. The uniform transfer of heat
from these compounds ensures that the electric component functions optimally.
The electrical potting compound is necessary in the manufacture and
distribution of numerous electronic components.
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