Idea for using a big plastic water bottle as a greenhouse for a water pasteurizer or cooking pot


High Density Polyethylene (HDPE), polycarbonate (PC), and polypropylene (PP), especially PP,  are the most heat-resistant of the plastics commonly used for bottles. Here are the symbols placed on containers to identify their composition.


David Delaney, ddelaney@sympatico.ca

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