Hmm, << Talcum, Talc, French Chalk are all Magnesuim Silicate. Chalk is a type of limestone, a form of calcium carbonate. Blackboard chalk, confusingly, tends to be made from calcium sulfate. >> I have used talc for years. This is USP Talc, from Mallinckrodt chemical company. I got a pound from the druggist in 1976 and have almost used it up in a career of stringing. It was taught that way at North Bennett, to use unscented talcum powder to avoid the perfume oils. I thought that was stretching it, but I have never had a jumpy pin or tuning difficulty with the many blocks I tune where I used this to string with. It keeps the hands from staining the wire. Regards, Ed Foote RPT http://www.uk-piano.org/edfoote/index.html www.uk-piano.org/edfoote/well_tempered_piano.html <BR><BR><BR>**************<BR>A Good Credit Score is 700 or Above. See yours in just 2 easy steps! (http://pr.atwola.com/promoclk/100000075x1215855013x1201028747/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072%26h mpgID=62%26bcd=DecemailfooterNO62)</HTML>
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