VACUUM VERBIAGE: How can polymer marking improve packaging recycling rates?

In the area of brand authentication, anti-counterfeiting and supply-chain verification, it is common to use overt or covert marking of the product or packaging. The features used for marking include colored fibers; specialist inks, such as infrared, fluorescing, color-shifting, metallic or holographic inks; barcodes; two-dimensional (snowflake) barcodes; and/or embossed features, including holograms or other optically variable devices.

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