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Acrylic Resin
:
Its full name is polymethyl
methacrylate and it is better known as Acrylite,
Plexiglas, or Lucite. They are hard and rigid materials.
They are excellent optical properties, resistance to
sunlight, weather and most chemicals. The material is
often used as an alternative to glass as it has higher
impact strength than glass and will not shatter. It is
softer and more easily scratched than glass. This can be
overcome with scratch-resistant coatings.
Rods and tunes are cast in
glass or metal cylinders or extruded. Acrylics can also be
injection moulded. Acrylic glass
is commonly used for constructing residential and commercial
aquariums. It is also used in the lenses of exterior lights of
automobiles. The material is used to produce laserdiscs, and
sometimes also for DVDs, but the more expensive polycarbonate (also
used for CDs) has better properties when exposed to moisture. They
are used to make contact lens, brush backs, transparent bowls, drink
dispensers and outdoor signs. As Acrylic transmits more light than
glass, they are used in fiber optics and edge-lighted dials.
Artificial fingernails are also made of acrylic. |