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PMMA (Acrylic)
4.6 (5 Reviews) 210 orders
Material type: Plastic, High transparency, Smooth surface
Polymethyl methacrylate(PMMA), is a kind of high molecular polymer, also known as acrylic or plexiglass. It has the advantages of high transparency, low price and easy mechanical processing. It is a commonly used glass substitute material. And it has also been closely linked with the laser cutting process to achieve the purpose of production.
Process compatibility
Material Color
Transparent
Material advantages
Excellent transparency, outstanding aging resistance; good optics, insulation, processability and weather resistance; colorless and transparent, light transmittance of 90%-92%, strong toughness, more than 10 times larger than silicon glass.
Material shortcomings
The texture is brittle and easy to crack, the surface hardness is low, and it is easy to be scratched and lose its luster, but the subtle scars and scratches can be removed with polishing paste.
Recommended description
Because it is inherently stable to UV-light, PMMA is used for many outdoor applications, in which it maintains its original colour and finishes for many years.
Properties
Name
Tensile strength 83 MPa
Yield strength 80 MPa
Modulus of elasticity 3.3 GPa
Elongation at break 3% - 6.4 %
Hardness 105 HRM
Maximum service temperature 80 °C
Thermal expansion coefficent 90 10^-6 ºC
Thermal conductivity 0.2 W/(m⋅°C)
Common applications
• Lamps and lighting soffits
• Displays
• Food industry
• Hand rails
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