monomaterial, that was the claim for adopting HDPE Caps.
Wunderlich notes that in the case of small HDPE bottles, the benefit of an-all PE closure is clear, as the entire container is monomaterial and can be recycled in the same stream.
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Published 10/1/2021
Future Caps & Closures: More HDPE, More PCR
Plastics Technology Magazine
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Origin has the real mono material, all PET bottle and cap, and is introducing it at this year's NPE2024.