PET is an unreinforced partially crystalline, thermoplastic polyester. It is characterised by a high mechanical stability, excellent dimensional stability (better than POM), very good wear resistance (comparable with PA 6) and very good sliding properties. PET has also good electrical insulating properties and good acid resistance, it is physiologically harmless. A very low water absorption, which hardly affects the mechanical and electrical properties, and the (within the group of the thermoplastics) comparatively low thermal expansion coefficient are the reason for an excellent dimensional accuracy.
PMMA (polymethyl methacrylate), also known as acryl glass, PLEXIGLAS® or PERSPEX®, is available in cast or extruded quality. Uncoloured it has a translucency of 92 percent.
Whether for folding displays, price tags or containers – it’s like if this material was specially made for the production of goods and advertising presentation. PET-A can be processed very easily and cost-efficiently and has good optical properties.
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