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Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
Resin code for polyethylene terephthalate Polypropylene lid of a Tic Tac box, with a living hinge and the resin identification code, 5, under its flap. The Resin Identification Code (RIC) is a technical standard with a set of symbols appearing on plastic products that identify the plastic resin out of which the product is made. [1]
The recycling code for plastics was introduced in 1988 by the plastics industry through the Society of the Plastics Industry. [89] Because municipal recycling programs traditionally have targeted packaging—primarily bottles and containers—the resin coding system offered a means of identifying the resin content of bottles and containers ...
With a high strength-to-density ratio, HDPE is used in the production of plastic bottles, corrosion-resistant piping, geomembranes and plastic lumber. HDPE is commonly recycled, and has the number "2" as its resin identification code. In 2008, the global HDPE market reached a volume of more than 30 million tons. [2]
Approximately 6.3 Bt of this was discarded as waste, of which around 79% accumulated in landfills or the natural environment, 12% was incinerated, and 9% was recycled - only ~1% of all plastic has been recycled more than once. [7] More recently, as of 2017, still only 9% of the 9 Bt of plastic produced was recycled. [39] [40]
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Based on 2019 data, the federal study estimated recycling rates at 15 percent for water-bottle plastic, 10 percent for milk-jug plastic, 3 percent for ice-cream tubs, 2 percent for grocery bags ...
The U.S. uses a code system, where numbers correspond to certain types of plastic bottles and types of paper. Codes for bottles/ containers are numbers 1-7 and 70-72. These numbers correspond to certain material and chemical composition as seen below. [11]