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Характеристики

CAST ACRYLIC SHEET

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.

PMMA is a kind of thermoplastic resin, which is flammable and also soluble in organic solvent. Due to its

outstanding characteristics such as exceptional clarity, weather resistance, mechanical properties as well

as appealing luster among other transparent plastics, PMMA is also commonly known as "Queen of Plastics".

It is often preferred on account of its moderate properties, easy handling and processing, and low cost.

Thermoplastic PMMA is typically processed at 240-250 °C. All common molding processes may be used,

including injection molding, compression molding and extrusion. The highest quality PMMA sheets are

produced by cell casting, but in this case, the polymerization and molding steps occur concurrently.

PMMA can be joined using cyanoacrylate cement (so-called "Superglue"), with heat (melting), or by using

solvents such as di- or trichloromethane to dissolve the plastic at the joint which then fuses and sets,

forming an almost invisible weld. Scratches may easily be removed by polishing.

PMMA or Acrylic is a versatile material and has been used in a wide range of fields and applications