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Clear transparent crystal acrylic sheet Production Introduction:

Poly(methyl methacrylate) (PMMA), also known as acrylic, acrylic glass,

or plexiglass, as well as by the trade names Crylux, Plexiglas, Acrylite, 

Astariglas, Lucite, Perclax, and Perspex, among several others (see below),

is a transparentthermoplastic often used in sheet form as a lightweight or

shatter-resistant alternative to glass. The same material can be used as a

casting resin or in inks and coatings, among many other uses.

Although not a type of familiar silica-based glass, the substance, like many

thermoplastics, is often technically classified as a type of glass (in that it is a

non-crystalline vitreous substance), hence its occasional historic designation

as acrylic glass. Chemically, it is the synthetic polymer of methyl methacrylate.

The material was developed in 1928 in several different laboratories by many

chemists.