Internal-thread bottle

PPC Group (London, England) has introduced a PET bottle with an internal thread and a cap to fit. The cap and bottle are injection/stretch blow-molded and aresuitable for beverages as well as pharmaceutical products.

Aug 31, 1999

The design is mouth-friendly due to the lack of threads on the outside; an integral handle or pouring spout can also be added.

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According to a Life Cycle Assessment (LCA), the carton format had the lowest environmental footprint of all the options, which compared PCR, molded fiber, glass, aluminum, and paper cartons. Using cartons to refill more durable rPET bottles makes the whole system bathroom- and shower-worthy, since the cartons themselves deteriorate in wet environments.

Dr. Bronner’s Paperboard Cartons Refill rPET Bottles to Ace LCA

Paperboard cartons get high LCA marks, but break down when wet. Meanwhile, 100% rPET bottles are circular, work great in the shower, and if they're refilled, are not single-use. Dr. Bronner’s refillable carton leverages both formats' strengths.

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