About 100 million metric tons of high-density polyethylene (HDPE), one of the world's most commonly used plastics, are ...
HDPE High density polyethylene Milk bottles ... PVC use in packaging is in decline. LDPE Low density polyethylene Carrier bags, some bottles and containers, yokes holding four or six-packs of cans ...
high-density polyethylene and low-density polyethylene (LDPE), acrylic, polypropylene, and polystyrene. All gave off methane and ethylene in the days after being exposed to sunlight, they found, but ...
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