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Subject: Magic Rub erasers

Magic Rub erasers

From: Bill Minter <wminter<-at->
Date: Wednesday, March 4, 2009
Carol Wickenhiser-Schaudt <watercolorist [at] schaudt__us> writes

>I use Magic Rub erasers ...
>...  Can anyone tell me
>if there will be future damage to my paintings and drawings due to
>using the erasers?

According to research conducted by the Canadian Conservation
Institute (see CCI Analytic Report, ARS 3414), Magic Rub erasers
contain a "plasticizer ... primarily of di-(n-octyl) phthalate". I
can only assume that this plasticizer has reacted with your plastic
storage container.

As part of CCI's research (see CCI Technical Bulletin #11), they
state that the Magic Rub erasers, as well as he Staedtler Mars
erasers are the most effective erasers available. They suggest that
the thorough removal of the eraser crumbs from the paper surface is

William Minter Bookbinding and Conservation, Inc.
4364 Woodbury Pike
Woodbury, PA  16695
Fax: 814-793-4045

                  Conservation DistList Instance 22:51
                 Distributed: Wednesday, March 11, 2009
                       Message Id: cdl-22-51-007
Received on Wednesday, 4 March, 2009

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