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. Codes have been developed for batteries, biomatter/organic material, glass, metals, paper, and plastics.[citation needed] Various countries have adopted different codes. For example, the table below shows the polymer resin (plastic) codes. In the United States there are fewer, because ABS is placed with "others" in group 7.
A number of countries have a finer-grained system with more recycling codes. For example, China's polymer identification system has seven different classifications of plastic, five different symbols for post-consumer paths, and 140 identification codes.[1] The lack of a code system in some countries has encouraged those who fabricate their own plastic products, such as RepRap and other prosumer 3-D printer users, to adopt a voluntary recycling code based on the more comprehensive Chinese system.[2]
^Standardization Administration of the People’s Republic of China (SAC) GB16288, 2008. Marking of plastics products. Chinese Standard Publishing House, Beijing; 2008.
^Emily J. Hunt, Chenlong Zhang, Nick Anzalone, Joshua M. Pearce, Polymer recycling codes for distributed manufacturing with 3-D printers, Resources, Conservation and Recycling, 97, pp. 24-30 (2015). DOI:10.1016/j.resconrec.2015.02.004
Recyclingcodes 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...
media related to Resin identification codes. Recycling Symbols for Plastics has symbols used in plastics recycling available in various formats for use...
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to recycling, such as ISO 15270:2008 for plastics waste and ISO 14001:2015 for environmental management control of recycling practice. Recyclable materials...
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of environmental and recycling symbols include the recycling symbol, the recyclingcode (which could be a resin identification code), and the "Green Dot"...
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system. All forms of recycling have feedback loops that use energy in the process of putting material resources back into use. Recycling in ecology is regulated...
additional economic barrier to recycling foodservice packaging. While recycling foodservice packaging is difficult, recycled materials are being used in...
yard, car spare parts supplier, and recently, auto or vehicle recycling. Vehicle recycling has always occurred to some degree but in recent years manufacturers...
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processes, aluminium recycling grew too. In 1904, the first two aluminium can recycling plants were built in the United States; one recycling plant was built...
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"Information about Recycling". Bureau of International Recycling. Archived from the original on 27 September 2007. Retrieved 20 October 2007. "Recycle – Save Energy"...
response codes. Reed Solomon Codes for Coders – an elaborate tutorial on Wikiversity, covering both QR code structure and the Reed Solomon codes used to...
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either reused or mechanically/chemically recycled. There has been a shift in recent years toward recycling textiles because of new regulations in several...
difficult to collect and recycle them. Batteries Directive [20] targets on the collection, recycling and other recycling activities of batteries and...
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