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Resin identification code

A resin identification code (RIC) is a symbol embedded on plastic products, used to sort plastic waste for recycling. They consist of an equilateral triangle with a number inside indicating the product's resin content. These symbols were created in 1988 by the Plastics Industry Association in the United States, amid growing concerns about plastic…

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Latest version
ASTM D7611/D7611M-26 24 July 2026
Organization
Society of the Plastics Industry (1988–2008) · ASTM International (2008–present)
Year started
1988

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Unicode

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Map overview Semantic statistics

Resin identification code

Nodes25
Edges24
Triples9
Avg. degree1.92
Density0.08
Components1

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Resin identification code

Top relations

related to Unicode · 4
Resin identification code → Miscellaneous Symbols, The, These, Unicode
Organization · 2
Resin identification code → ASTM International (2008–present), Society of the Plastics Industry (1988–2008)
Latest version · 1
Resin identification code → ASTM D7611/D7611M-26 24 July 2026
Website · 1
Resin identification code → D7611/D7611M-26
Year started · 1
Resin identification code → 1988

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Important terminology

recycling plastic resin plastics identification ric standard astm symbol triangle coding system consumers symbols codes 2008 products united states packaging

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Resin identification codeLatest versionASTM D7611/D7611M-26 24 July 20261.00infobox
Resin identification codeOrganizationSociety of the Plastics Industry (1988–2008)1.00infobox
Resin identification codeOrganizationASTM International (2008–present)1.00infobox
Resin identification codeWebsiteD7611/D7611M-261.00infobox
Resin identification codeYear started19881.00infobox
Resin identification coderelated to UnicodeThe0.60section
Resin identification coderelated to UnicodeUnicode0.60section
Resin identification coderelated to UnicodeMiscellaneous Symbols0.60section
Resin identification coderelated to UnicodeThese0.60section

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    Min side: 3
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