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Subject: Teflon


From: Kathryn Hallett <kathryn.hallett>
Date: Friday, August 11, 2006
Amanda Didden <adidden [at] johnmilnerassociates__com> writes

>Does anyone have experience using a fluoropolymer (Teflon) based
>water repellent on bricks?  I have been testing a new breathable
>product against standard silanes and siloxanes but have found little
>research on long term performance of fluoropolymer coatings for
>masonry.  Any advice or resources would be appreciated.

Research in this area has been carried out at the National Center
for Preservation Technology and Training (NCPTT)
(<URL:>). Some of the work was published in
the following article:

    M.F. Striegel, E. Bede Guin, K. Hallett, D. Sandoval, R.
    Swingle, K. Knox, F. Best and S. Fornea. (2003)
    "Air pollution, coatings, and cultural resources."
    Progress in Organic Coatings (48). Pp. 281-288

                  Conservation DistList Instance 20:11
                  Distributed: Monday, August 28, 2006
                       Message Id: cdl-20-11-002
Received on Friday, 11 August, 2006

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