Messages Archive

Subject:
cement rash
Response To:
cleaning glass? ()

Bill Tindall, E.Tn.
You can be sure it is NOT in cement. I don't know what cement rash is but if you get wet Portland cement on your skin it will dissolve. It contains calcium hydroxide and other bases and has a pH of 13 thereabouts. Might as well stick you arm in a solution of lye.

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