Bottle cap made from a material comprising polypropylene, particulate calcium carbonate and additives

Fecha de publicación: 10/03/2011
Fuente: WIPO "miel"
An injection molded polymeric household bottle cap made of a polypropylene composition comprising: particulate CaCO3; additive; and polypropylene; wherein the polypropylene composition in its solid form and with average wall thickness T has a flexural modulus, measured according to ASTM D790-07, being at least 95% of the flexural modulus measured on a reference polypropylene composition being substantially free of CaCO3 and having average wall thickness of at least T+10%.