Polypropylenmateriale med tunge, mineralske fyllstoffer, egnet til belegging av metallrör

摘要

Polymer composition comprising a propylene polymer matrix containing (percentages by weight with respect to the total composition): A) 60-90% of one or more heavy mineral fillers, the specific weight of which is or are greater than or equal to 3; and B) 0.1-4% of a compatibilizer for the filler(s); where said compositions has a MFRL ranging from 1 to 10 g/10 minutes, an elongation at break ranging from 1.5 to 100%, and flexural modulus ranging from 3,000 to 10,000 Mpa.