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Nampak researches recycable HDPE for milk bottles

September 21/2010

(PackagingNews) -- Plastic packaging specialist Nampak is looking to trial milk bottles with 30% recycled content after a university study found that 50% recycled content was a feasible target for HDPE milk bottles.


Using post consumer food grade rHDPE pellets, the experimental work assessed the properties of blends of virgin HDPE with between 10% and 50% rHDPE, and also quantified the effects on material properties of five thermal cycles through an extruder.

The researchers concluded that the recyclate grades studied had very similar properties Ц including flow behaviour, quality and molecular and chemical structure Ц to the virgin materials.

Nampak researches recycable HDPE for milk bottles







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