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  2. High-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/High-density_polyethylene

    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]

  3. 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.

  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. Polyethylene - Wikipedia

    en.wikipedia.org/wiki/Polyethylene

    Polyethylene was first synthesized by the German chemist Hans von Pechmann, who prepared it by accident in 1898 while investigating diazomethane. [12] [a] [13] [b] When his colleagues Eugen Bamberger and Friedrich Tschirner characterized the white, waxy substance that he had created, they recognized that it contained long −CH 2 − chains and termed it polymethylene.

  6. Tyvek - Wikipedia

    en.wikipedia.org/wiki/Tyvek

    Though Tyvek superficially resembles paper (for example, it can be written and printed on), it is plastic, and it cannot be recycled with paper. Some Tyvek products are marked with the #2 resin-code for HDPE, and can be collected with plastic bottles as part of some municipal curbside recycling programs. DuPont runs a program in the United ...

  7. Intermediate bulk container - Wikipedia

    en.wikipedia.org/wiki/Intermediate_bulk_container

    All materials can present certain safety and compatibility concerns, especially hazardous liquids, [15] and proper guidance is always recommended whenever using caged IBC totes for harsh chemicals. Caged IBC totes are thermoplastic blow-mold engineered, often, from virgin high-density polyethylene ( HDPE ), a BPA free, strong plastic.