General purpose polystyrene, non-impact resistant, block, sometimes called “crystalline”, PSE, PSS or PSM marking depends on the method of preparation.
GPPs are used in the production of various household products (disposable tableware, packaging, toys, etc.) and construction industry (insulation boards, left-in-place formwork, sandwich panels).
Finishing and decorative materials: ceiling moldings, ceiling tiles, sound-absorbing polystyrene elements, adhesive bases, and polymer concentrates;
Medical equipment: parts of blood transfusion systems, auxiliary disposable tools