Perspex (acrylic) sheet, Dnepropetrovsk region.

Organic glass (plexiglass), or polymethyl methacrylate (PMMA) is a synthetic polymer of methyl methacrylate, a thermoplastic transparent plastic, sold under the trade names plexiglass, novattro, plexima, limacryl, perspex, plazkrill, acrylex, acrylite, akriplast, etc., also known as acrylic glass, acryl, plex.
Organic glass consists entirely of thermoplastic resin.
Plexiglas is produced in two ways: extrusion and casting. The production method itself imposes a number of restrictions and determines some properties of plastic.
Extruded Plexiglas - that's English. extrusion, German Extrudiert — obtained by the method of continuous extrusion (extrusion) of the molten mass of granulated PMMA through a slotted head with subsequent cooling and cutting to the specified dimensions.
Block ("cast" — English cast) — obtained by pouring MMA monomer between two flat glasses with further polymerization to a solid state.
The main advantages of Plexiglas
• high light transmittance — 92%, which does not change over time, keeping its original color;
• impact resistance is 5 times greater than that of glass;
• with the same thickness, plexiglass weighs almost 2.5 times less than glass, so the structure does not require additional supports, which creates the illusion of open space;
• resistant to the action of moisture, bacteria and microorganisms, so it can be used for glazing yachts, production of aquariums;(//tractor-service.com)
• ecologically clean, does not emit any poisonous gases when burning;
• the ability to give various shapes with the help of thermoforming, without disturbing the optical properties, with excellent detailing;
• mechanical processing is carried out with the same ease as wood processing
• stability in the external environment, frost resistance;
• transmits 73% of ultraviolet rays, while UV rays do not cause yellowing and degradation of acrylic glass;
• stability in chemical environments;
• has electrical insulating properties ;
• subject to disposal.

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