Acrylic Sheet Properties

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Acrylic sheet properties.

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 transparent thermoplastic 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. While the form may be the same you will find that a clear polycarbonate sheet and a clear acrylic sheet are vastly different due to the physical and chemical properties of the plastic. Acrylic for prototype development on cnc machines and 3d printers. Mechanical tensile strength 75 mpa flexural strength 115 mpa.

It has superior weathering properties compared to many other transparent plastics. Polycarbonate and acrylic share many of the same types of plastic sheeting options like clear colored mirrored and more. A wide variety of colors are usually available. Relative density 1 19 g cm3 rockwell hardness m 102 water absorption 2 flammability class 3 bs 476 pt 7 ul94 hb.

Acrylic is available in sheet stock and round stock making it a good candidate for subtractive machining processes on a mill or lathe. Acrylic sheet exhibits glass like qualities clarity brilliance and transparency but at half the weight and many times the impact resistance of glass. Physical properties astm test method units values specific gravity d 792 1 19 optical refractive index d 542 1 49 light transmittance total haze d 1003 92 2 sound transmission e 90 e 413 db 27 water absorption d 570 by wt 0 4 shrinkage d 702.