2 days ago
- breaking down the 1-7 plastics – what do those numbers mean? a must read as we summarise up which kinds of plastics to avoid and use cautiously.
7. other plastic packaging- the so-called "miscellaneous" plastic, no. 7 is a catch-all for various types of plastics, including those found in baby bottles, three- and five-gallon water bottles, 'bullet-proof' materials, sunglasses, dvds, ipod and computer cases, signs and displays, certain food containers and nylon. number 7 plastics are made up of various resins, which fit into no other categories; while some are safe, some are suspect, but the ones to worry about are the hard polycarbonate varieties, as found in various drinking containers and rigid plastic baby bottles.
studies have shown polycarbonate can leach bisphenol a, a potential hormone disruptor, into liquids. some contain bisphenol a (bpa), a synthetic estrogen that could disrupt the human hormone system, causing various health effects.
one way to sort out which plastics are safer than others is by checking the plastic id code on the bottom of the item, which is that little number inside the triangle that tells you if you can recycle it.
recyclable plastics (safe to use): plastic #2, #4
semi-recyclable plastics (use with caution): plastic #1
non-recyclable plastics (avoid using): plastic #3
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