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Re: [BKARTS] PVA



Felice had asked about wood glue specifically, so I looked at that.

It seems that Elmer's glues vary widely in pH.

From Elmer's information:
Elmer's Washable School Glue has a pH of 4.3.
	http://www.elmers.com/products/msds/me301_d.htm
But Elmer's Extra Strength Gel School Glue Stick has a pH of 9.25
	http://www.elmers.com/products/msds/ME518_A.HTM

Here's the place to get information on the myriad Elmer's products:
	http://www.elmers.com/products/product/index.asp


Regards,

Beth Lee
Tallahasee, Florida
www.callibeth.com



-----Original Message-----
From: Book_Arts-L [mailto:BOOK_ARTS-L@xxxxxxxxxxxxxxxx] On Behalf Of Bruce
Levy
Sent: Monday, February 06, 2006 11:21 AM
To: BOOK_ARTS-L@xxxxxxxxxxxxxxxx
Subject: Re: [BKARTS] PVA


There is Elmers wood glue (yellowish) and there is Elmer's white glue,
let's not confuse the two.



> ----- Original Message -----
> From: "Beth Lee" <callibeth@xxxxxxxxxxx>
> To: BOOK_ARTS-L@xxxxxxxxxxxxxxxx
> Subject: Re: [BKARTS] PVA
> Date:         Mon, 6 Feb 2006 10:55:38 -0500
>
>
> Felice,
>
> I did a quick run through the Internet and found the following:
>
> Elmer's Wood Glue contains wood flour and has a pH of 5.
> 	http://www.elmers.com/products/msds/ME720.HTM
>
> A neutral pH = 7, and anything less than 7 is is acidic.
> 	http://en.wikipedia.org/wiki/PH
> Wood flour is fine sawdust, sometimes used as an extender for adhesives.
> 	http://www.dreamghar.com/w1dic.htm
>
> Those two things would be enough to discourage me from using it in
> something I want to last.
>
> Regards,
>
> Beth Lee
> Tallahasee, Florida
> www.callibeth.com
>
>
>
> -----Original Message-----
> From: Book_Arts-L [mailto:BOOK_ARTS-L@xxxxxxxxxxxxxxxx] On Behalf Of
> Felice Lau
> Sent: Monday, February 06, 2006 10:11 AM
> To: BOOK_ARTS-L@xxxxxxxxxxxxxxxx
> Subject: [BKARTS] PVA
>
>
> hi all--
> i just brought up the issue of wood-glue PVA vs.
> bookarts PVA b/c i was wondering if anyone knew the
> exact chemical difference b/t the two types of glue. I
> think i'll do some more research & let the list know
> when i've found something more concrete (no pun
> intended!).
> Thanks!
> felice lau in Ann Arbor, MI
>
>

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