RE: Miracle size for gum
Is this the stuff Marek? I'm very interested to try this. http://www.utrechtart.com/dsp_view_product.cfm?item=57707 John. -----Original Message----- From: phritz phantom [mailto:phritz-phantom@web.de] Sent: 10 October 2009 13:36 To: alt-photo-process-l@usask.ca Subject: Re: Miracle size for gum hi marek, does it really say "pv alcohol" on the bottle, not "pv acetate"? i found the data sheet on the gamlin site yesterday and there it says: "Product: Poly Vinyl Acetate (PVA) Glue Chemical name: Ethylene/Vinyl Acetate Copolymer" http://www.gamblincolors.com/msds/pdf/drying_oils/msds_PVA.pdf what i've learnt on the substances so far (i think mostly from a post from katharine thayer on apug), is that pv-alcohol is basically a simple glue and not waterproof and pv-acetat is insoluble in water and the better size. regards phritz Marek Matusz schrieb: > Loris, > A note on the bottle says "post plasticezed neutral pH ply vinyl > alcohol). > perhaps one can mix a PVA solution from polyvinylalcohol that can be > bought. I suspect that there are other additives in the Gamblin > product, but they might not be all that relevant to the gum sizing. > I also have to add it is so simple to just take some solution from the > bottle, add water and brush it on paper, no additional chemicals, no mess. > Marek > > Date: Fri, 9 Oct 2009 23:48:02 +0300 > > From: mail@loris.medici.name > > Subject: Re: Miracle size for gum > > To: alt-photo-process-l@usask.ca > > > > Thanks for the report Marek. Unfortunately we don't have Gamblin > > products here in Turkey. Do you have any idea about the formula? I can > > find PVA but I'm not sure which one to buy and how much to use... > > > > Not directly related but just wanted to mention: For those who are > > interested in "casein", the miracle sizing is cheap acrylic gesso 1+4 > > (or 1+5) with water. > > > > Regards, > > Loris. > > > > > > 2009/10/9 Marek Matusz <marekmatusz@hotmail.com>: > > > > > > All, > > > A few weeks ago there was some discussion on PVA sizing and I > decided to try > > > it for gum. > > > ... > > > The 1:2 turned out to be a miracle! > > > ... > > ------------------------------------------------------------------------ > Hotmail: Powerful Free email with security by Microsoft. Get it now. > <http://clk.atdmt.com/GBL/go/171222986/direct/01/> No virus found in this incoming message. Checked by AVG - www.avg.com Version: 8.5.421 / Virus Database: 270.14.7/2421 - Release Date: 10/09/09 18:43:00
|