SYNTHETIC MATERIAL COMPOSITION

摘要

A synthetic plastic extrudable compsn. contains (all wt.%): 5-95 used polyolefins, the remainder being polystyrene, polyamide, polyethylene-terephthalate, their mixts. or derivs. Opt. a max. of 50% unused granules may be added for quality improvement. These mixts. also contain additives, i.e. stabilisers, fillers and/or other adjuvants. The invention refers to mfr. of sections for shutters.