Graphene used to rust-proof steel
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Three versions of the varnish, containing varying amounts of graphene
A piece of steel treated with the graphene varnish, in front of an untreated sample
Article Summary
Hexavalent chromium compounds are a key ingredient in coatings used to rust-proof steel. They also happen to be carcinogenic. Researchers, therefore, have been looking for non-toxic alternatives that could be used to keep steel items from corroding. Recently, scientists from the University at Buffalo announced that they have developed such a substance. It’s a varnish that incorporates graphene, the one-atom-thick carbon sheeting material that is the thinnest and strongest substance known to exist.
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