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Experiment: Coca Cola and Drain Cleaner

Home Science · 2.7M views · 2019-05-23 · 1:31

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Overview

A short experiment dissolving the aluminum of a Coca-Cola can with drain cleaner to reveal the clear plastic film lining inside.

On Hacker News

Cited as a vivid demonstration that beverage cans have a plastic liner.

Recommended by 1 HN people across 1 months · HN mentions 2020–2021

Topics

ChemistryEveryday physics & science demos
Search by tags
aluminum cansplastic linerchemistry experimentrecycling

What people said

BostonEnginerd · 2020-03 · Recommendation

They use a thin plastic liner to prevent reaction with the Aluminum. These will burn off when the Al is melted for recycling. Great video here: [VIDEO]

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evv555 · 2021-12 · Reference

Most metal food containers are coated with plastics like BPA. You can't trust "BPA free" labels because there are now analog compounds in use. For example this is what a dissolved coke can looks like.[1] 1. [VIDEO]

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nonfxnl · 2021-12 · Reference

The (possible) patent has some good details ( [LINK] ) > The ink storage pipe includes an at least two-layer structure of an inner layer in contact with ink and a base layer, the base layer being formed of a paper base material and the inner layer being formed of a resin. The resin is preferably an acrylic resin, polystyrene, a fluorine resin, silicone or a mixture thereof. > In case of applying a resin film, the inner layer 4 has a thickness of typically 3 to 90 micrometre and preferably 5 to 60 micrometre. This honestly seems like the coke cans ( [VIDEO] ). In any case, this should be easier to recycle than the cans.

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Sources

Video by Home Science, played through YouTube.

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