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Re: [BKARTS] PVA Shelf Life



How much tea tree oil do you add to, say, 1 cup of adhesive?  Have you
tried it with hide glue?

David Amstell wrote:
> 
> We gave up using PVA about 10 years ago because of the presence of
> plasticisers in the PVA formulas.  We now only use EVA.  EVA is less
> susceptible to mould, due to the absence of these plasticisers.
> 
> On the few occasions we have had a little mould forming in the EVA, we
> use tea tree oil.  The mould problems are much more common in the
> EVA/paste and EVA/Methyl Cellulose mixes.  We automatically add tea tree
> oil at each batch, and now never have any mould problems.  Tea Tree oil
> is well known for its antiseptic and antifungal properties.
> 
> David
> 
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-- 
_________________________________________________________________

Censorship is a juggernaut that cannot be fine-tuned

Jet Foncannon
4516 Locust Street
Philadelphia, PA     19139

             ***********************************************
     Visit "The Book of Origins: A survey of American Fine Binding"
                Online exhibit and catalog order form at
       <http://library.syr.edu/digital/exhibits/b/bookoforigins/>
                                    
             For all your subscription questions, go to the
                      Book_Arts-L FAQ and Archive.
          See <http://www.philobiblon.com> for full information
             ***********************************************


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