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Polymethyl methacrylate (PMMA), also known as acrylic, acrylic (English Acrylic) or plexiglass, Lucite. PMMA has the advantages of light weight, low price, and easy molding.


Polymethyl methacrylate (PMMA for short), also known as acrylic, acrylic (English Acrylic) or plexiglass, Lucite (commodity name), in Hong Kong, it is often referred to as Acrylic, with high transparency , Low price, easy machining and other advantages, it is a commonly used glass alternative material.
The monomer of polymethyl methacrylate is methyl methacrylate (MMA, acrylic monomer).


Characteristics of raw materials:

1. Colorless and transparent, with a transmittance of 90% — 92%, strong toughness, which is more than 10 times larger than that of silica glass.

2. Good optical, insulation, processability and weather resistance.

3. Dissolved in organic solvents such as carbon tetrachloride, benzene, toluene dichloroethane, chloroform and acetone.

4. It has high transparency and brightness, good heat resistance, and has the characteristics of toughness, rigidity and rigidity.

5. The heat deformation temperature is 80 ℃, and the bending strength is 110Mpa.

6. Density 1.14—1.20g / cc, deformation temperature 76—116 ° C, molding shrinkage rate 0.2—0.8%.

7. Linear expansion coefficient 0.00005—0.00009 / ℃, thermal deformation temperature 68–69 ℃ (74–107 ℃)



PMMA has the advantages of light weight, low price, and easy molding. Soluble in organic solvents such as anisole, can form good films and good dielectric properties, and can be used as a dielectric layer for organic field effect tubes.

Its molding methods include casting, injection molding, machining, and thermoforming. In particular, injection molding can be mass-produced, the process is simple, and the cost is low. Therefore, its application is becoming more and more extensive, and it is widely used in instrument parts, automotive lights, optical lenses, and transparent pipes.

Plexiglass acrylic (acrylic) in the construction industry in construction, plexiglass acrylic (acrylic) is mainly used in building lighting, transparent roofs, roofs, telephone booths, stairs and room wall coverings; In terms of sanitary ware, there are products such as bathtubs, washbasins and dressing tables. The application and development of highway and high-grade road lighting lamp covers and automotive lamps are also quite fast. Among them, the market for building lighting, bathtubs, street advertising light boxes, and telephone booths has grown rapidly, and there is a large space for future development, and the market prospect is very broad.

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