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  2. Recycling codes - Wikipedia

    en.wikipedia.org/wiki/Recycling_codes

    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.

  3. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    Polycarbonate is commonly used in eye protection, as well as in other projectile-resistant viewing and lighting applications that would normally indicate the use of glass, but require much higher impact-resistance. Polycarbonate lenses also protect the eye from UV light.

  4. Resin identification code - Wikipedia

    en.wikipedia.org/wiki/Resin_identification_code

    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]

  5. Plastic identification code - Wikipedia

    en.wikipedia.org/?title=Plastic_identification...

    Plastic identification code. Add languages. Add links. Article; ... Download QR code; Print/export Download as PDF; Printable version;

  6. List of refractive indices - Wikipedia

    en.wikipedia.org/wiki/List_of_refractive_indices

    Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; ... Polycarbonate: 150: 1.60 [30] Crown glass (impure) 1.485–1.755:

  7. Commodity plastics - Wikipedia

    en.wikipedia.org/wiki/Commodity_plastics

    Demand for plastic resins in Europe during 2017 as a percentage of total plastic demand. [1] A comparison of standard plastics, engineering plastics, and high-performance plastics

  8. Japanese recycling symbols - Wikipedia

    en.wikipedia.org/wiki/Japanese_recycling_symbols

    Japan has a system of recycling marks, recycling identification marks (リサイクル識別表示マーク), which indicate and classify recyclable materials. They are similar to the resin identification codes , in that they have surrounding arrows, with text inside to indicate the type of material.

  9. Plastic number - Wikipedia

    en.wikipedia.org/wiki/Plastic_number

    Resin identification code, a number used to identify plastic products Topics referred to by the same term This disambiguation page lists articles associated with the title Plastic number .