Is Acetone Safe To Use On Steel Pennies?

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Author	Replies: 5 / Views: 932
snafu0571 Valued Member United States 478 Posts	Posted 03/18/2023 8:59 pm Have a 1943 penny with old glue on it will the acetone hurt steel penny Report this Post to the Staff

sel_69l Bedrock of the Community Australia 21786 Posts	Posted 03/18/2023 9:22 pm Acetone will remove just about any organic based glue. Problem is that most glues have sulfur in their formulation, and this reacts chemically with the zinc coating at the glue / coin interface. Expect to find dark or very dark patches on coin where this reaction has taken place. Steel pennies are zinc coated; zinc is a very reactive sacrificial metal, and that is why the steel core was originally protected the zinc coating. Zinc sacrificial anodes are attached to the hull of steel ships around the prop shaft gland, to sacrificially prevent corrosion in this area.. Report this Post to the Staff
snafu0571 Valued Member United States 478 Posts	Posted 03/18/2023 9:28 pm Ok thanks for the info Report this Post to the Staff
Coinfrog Bedrock of the Community United States 94367 Posts	Posted 03/18/2023 10:15 pm Might as well go for it - the coin has little value however it comes out. Report this Post to the Staff
Reno911 Valued Member United States 316 Posts	Posted 03/18/2023 10:30 pm If the tape has been on there for a long period of time Sel_691 is correct. If it was just place on there and has been in room temperature and not in sunlight for morebthan a month you you should be okay. My mother when alive believed she was doing me a favor by taping the pennies and writing the dates on the tape. Ugh... it ruins the coin. Report this Post to the Staff
silviosi Pillar of the Community Canada 6244 Posts	Posted 03/18/2023 10:38 pm Acetone on Zinc?!!!? I will not put. Will result an very dull white surface. Then if you has some minuscules holes in the Zinc, the magnetic steel under will corrode on chain reaction. Report this Post to the Staff
	Replies: 5 / Views: 932

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