Holbourne Industrial Plastics Ltd
High Impact Polystyrene
Styrene is used extensively for Point of Purchase and display advertising. High impact polystyrene possesses a very wide tolerance range of forming temperatures, throughout which the polished surface is retained even after heating and bending. Its impact strength means it can be guillotined, punched, routered or sawn without difficulty. It is readily susceptible to solvent attack and therefore presents few problems with the adhesion of silkscreen printing inks or solvent cementing.. Polystyrene will quickly degenerate in UV light, turning yellow and losing mechanical strength. For outdoor use it is possible to produce UV stabilised grades or, for smaller quantities, apply an acrylic spray lacquer for short term protection. Will burn (Class 4 to BS476 Part 7) with a black sooty flame, leaving smuts.
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