BOTTLE CAP MADE FROM A MATERIAL COMPRISING POLYPROPYLENE, PARTICULATE CALCIUM CARBONATE AND ADDITIVES
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Feb 25, 2016
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Sep 7, 2009
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Abstract
An injection moulded 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%.
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