Principle Of Plexiglass Lenses
Oct 16, 2018

Plexiglass, English: (Polymethyl methacrylate), abbreviated as: PMMA; plexiglass chemical name is polymethyl methacrylate, is a polymer compound polymerized from methacrylate. The surface is smooth, colorful, small specific gravity, high strength, corrosion resistance, moisture resistance, light fastness, good insulation performance and good sound insulation. It can be divided into three types: tube shape, rod shape and plate shape.

The polymers obtained by polymerizing acrylic acid and its esters are collectively referred to as acrylic resins, and the corresponding plastics are collectively referred to as polyacrylic plastics, among which polymethyl methacrylate is the most widely used. Polymethyl methacrylate abbreviation is PMMA, commonly known as plexiglass, good light transmission, can pass more than 92% of sunlight, ultraviolet light reaches 73.5%; high mechanical strength, certain heat and cold resistance, corrosion resistance Good insulation performance, stable size, easy to shape, brittle texture, easy to dissolve in organic solvents, insufficient surface hardness, easy to rub, can be used for transparent structural parts with certain strength, such as oil cups, lamps, instrument parts, Optical lenses, decorative gifts and more. Adding some additives to it can improve its performance, such as heat resistance and friction resistance. This material is widely used in the production of advertising light boxes, nameplates and so on.

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