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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. Certificate of analysis - Wikipedia

    en.wikipedia.org/wiki/Certificate_of_analysis

    A certificate of analysis (COA) is a formal laboratory-prepared document that details the results of (and sometimes the specifications and analytical methods for) one or more laboratory analyses, signed—manually or electronically—by an authorized representative of the entity conducting the analyses. This document gives assurances to the ...

  4. Ultra-high-molecular-weight polyethylene - Wikipedia

    en.wikipedia.org/wiki/Ultra-high-molecular...

    When UHMWPE is annealed, the material is heated to between 135 and 138 °C (275 and 280 °F) in an oven or a liquid bath of silicone oil or glycerine. The material is then cooled down to 65 °C (149 °F) at a rate of 5 °C/h (9 °F/h) or less. Finally, the material is wrapped in an insulating blanket for 24 hours to bring to room temperature.

  5. 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]

  6. Plastic recycling - Wikipedia

    en.wikipedia.org/wiki/Plastic_recycling

    Plastic recycling is the processing of plastic waste into other products. [ 1 ] [ 2 ] [ 3 ] Recycling can reduce dependence on landfill , conserve resources and protect the environment from plastic pollution and greenhouse gas emissions.

  7. Recycling - Wikipedia

    en.wikipedia.org/wiki/Recycling

    This is an accepted version of this page This is the latest accepted revision, reviewed on 10 February 2025. Converting waste materials into new products This article is about recycling of waste materials. For recycling of waste energy, see Energy recycling. "Recycled" redirects here. For the album, see Recycled (Nektar album). The three chasing arrows of the universal recycling symbol ...

  8. Environmental Product Declaration - Wikipedia

    en.wikipedia.org/wiki/Environmental_Product...

    EN ISO 22057 was created by ISO/TC 59/SC 17 Sustainability in buildings and civil engineering works based on the BIM data templates concept and it is compatible with the EPDs developed according to EN 15804 and ISO 21930. openEPD has been designed in a way that EPD data can be accessed via an API, promoting the integration of product-specific ...

  9. Mill test report (metals industry) - Wikipedia

    en.wikipedia.org/wiki/Mill_test_report_(metals...

    A mill test report (MTR) and often also called a certified mill test report, certified material test report, mill test certificate (MTC), inspection certificate, certificate of test, or a host of other names, is a quality assurance document used in the metals industry that certifies a material's chemical and physical properties and states a product made of metal (steel, aluminum, brass or ...