Synthetic fibers are the most popular fibers in the world - 65% of the world’s production of fibers are synthetic, and 35% are natural fibers. (1) Fully 70% of those synthetic fibers are polyester. There are many different types of polyester, but the type most often produced for use in textiles is polyethylene terephthalate, abbreviated PET. Used in a fabric, it’s most often referred to as “polyester” or “poly”.
#1 PETE plastic water bottles have been shown to leach antimony into water. A recent study conducted by University of Heidelberg researcher Bill Shotyk, and published in the January 2006 Journal of Environmental Monitoring, found antimony levels in PETE water bottles were higher than levels found where the water was sourced. According to Shotyk, consumers should not be concerned about drinking water bottled in PETE plastic, as the levels found in water are below safe drinking standards. Nonetheless, it’s important to remember that leaving water in any plastic bottle for a prolonged period of time allows for chemical leaching to occur.
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