this post was submitted on 25 Aug 2023
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Researchers found low concentrations of so-called forever chemicals in various "eco-friendly" straws, raising doubts about whether they're an appropriate alternative.

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[–] Carighan 9 points 1 year ago (2 children)

It's important to keep in mind that 75% of plastic straws also contain PFAS.

The truth is, the PFAS stuff is independent of the main material of the straw* (yeah there's an asterisk, sec on that). It just so happens that PFAS are really good when we need to have a material not stick to food stuff too well and become unhygienic during its intended use time.

*: Straws from glass and metal are an exception because those materials naturally do not bind well to grease, liquids and stains. They don't need an extra PFAS coating. But plastic, paper, bamboo, they virtually all do.

That is to say, I would split the problem: We got the main material part done now, we're no longer using plastic for it. Now to get the coating done and use something that degrades very quickly.

[–] [email protected] 4 points 1 year ago (1 children)

What about just plain beeswax?

[–] Carighan 1 points 1 year ago

Absolutely not someone in that or any adjacent industry, so I would not know whether that's a usable solution. Could work, I mean it is used for gummi bears. But there might also be a thing about how it only lasts in closed packs I would imagine, and unlike gummi bears - which are gone ~11,5 seconds after opening a pack - straws are often kept around for months after a few have been used. No clue. There's probably a better solution than PFAS coating though, granted.

[–] [email protected] 1 points 1 year ago

Gotcha gotcha. Thanks for the extra info!