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Poly(methyl methacrylate) (PMMA), also known as acrylic or acrylic glass as well as by the trade names Crylux, Plexiglas, Acrylite, Lucite, 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, in inks and coatings, and has many other uses. PMMA is an economical alternative to polycarbonate (PC) when tensile strengthflexural strengthtransparency, polish ability, and UV tolerance are more important than impact strength, chemical resistance and heat resistance.[5] Additionally, PMMA does not contain the potentially harmful biphenyl-A subunits found in polycarbonate. Polycarbonate Films, also known as Lexan® (a Sabic/General Electric Plastics™ brand) offers excellent clarity or matte and textured finishes in all thicknesses. Often used in graphic art and printing applications. Available with or without adhesive. Release Liner is the protective covering for the adhesive film to prevent ‘unwanted’ adhesion and contamination of surface during shipping and handling. Release liners are typically silicone coated to provide a desired release characteristic.PC  tape for use in industrial, carpet, plumbing, HVAC, sealing, waterproofing, patching, remediation and restoration applications. This co-extruded duct tape conforms well to a variety of surfaces, tears easily by hand and will not twist or curl during application for ease of use.PMMA tape for non-critical, general use applications, including packaging, bundling, sealing, repairing, holding and waterproofing. This economical, co-extruded solution offers good conformability and easy handling to prevent it from twisting or curling during application.