Archive
Tag: Paper and Board
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Envelope packaging under the PPWR: the contents decide, not the format
An envelope is not packaging or non-packaging as a class. Under Regulation (EU) 2025/40 the test turns on whether a product is being delivered, which is why an invoice and…
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Composite packaging under the PPWR: a legal boundary, not a scientific one
The PPWR defines composite packaging for the first time at EU level, ending divergent national interpretations. It sorts packaging into material categories, but it is not a recyclability assessment, and…
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Total fluorine: a pragmatic PFAS screen that cannot tell you what it found
Total fluorine measures every fluorine atom in a sample, organic or inorganic. It is fast, cheap and captures unknown PFAS, but minerals, fillers and groundwater all contain fluoride, and the…
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Can paper block electromagnetic interference? Only if you stop it reflecting
Every powered device emits electromagnetic energy and is vulnerable to it, and shielding is a regulatory requirement. Cellulose shields nothing on its own, but its porosity enables absorption-dominant shielding that…
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Lignin: the polymer built without a blueprint
Lignin is the second most abundant biopolymer on Earth and the matrix that allows trees to stand upright. Unusually among biological macromolecules, it is assembled without a genetic template, and…