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[BKARTS] PVA mix



Forget the parade, Jack. Rain on my back yard.
Thanks for asking, though. PS-4000 does not contain any formaldehyde.

Scott

-----------------------
Date: Thu, 28 Jul 2005 00:17:43 -0700
From: "Jack C. Thompson" <tcl@xxxxxxxxxxxx>
Subject: Re: PVA mix

I have no experience with this formulation, and I really do not wish to
rain on anyone's parade (Ok, there are some exceptions, but this is not
one of those) but is there any formaldehyde in the formulation?

If there is, that is not a good thing.

Jack


>PS-4000 is a pre-made PVA mix available from University Products, Inc. and
>Metal Edge, Inc. It is formulated with 1/3 methylcellulose to 2/3 PVA, a
>combination that I prefer to use in my own work. PS-4000 is produced by
>Preservation Solutions, co-owned by Julie Naggs and myself, which also
>makes Cellugel.
>
>Scott Kellar

Thompson Conservation Lab.
7549 N. Fenwick
Portland, Oregon 97217
USA

503/735-3942 (phone)
503/289-8723 (fax)


Scott K Kellar
Bookbinding & Conservation
www.scottkkellar.com

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