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[OM] Re: [OT] glue recommendation?

Subject: [OM] Re: [OT] glue recommendation?
From: prairiewinters@xxxxxxxxxxx
Date: Fri, 23 Jan 2004 18:36:14 +0000
Just so you know, Casein glues are still used in certain industries.  Most of 
your glass beer bottles are labeled using a casein glue.  There still are some 
casein glues used in woodworking.  And the difference between a white PVA and a 
yellow PVA can be just the dye.  There is nothing inherent in the yellow color 
that makes them different.  It is all about the formula.

> 
> White glues nowadays are primarily "PVA" glues (polyvinyl acetate).
> Casseine or milk sugar/solids have not been commonly used commercially for
> decades.  Yellow are glues are of similar construction with additional
> hardeners added to prevent "creep" after drying and provide some limited
> resistance to ambient moisture-induced softening.  PVA glues do not really
> "cure".
> 
> I wold think that almost anything would glue plaster well.  One plaster has
> cured, it generally is not soluble in anything likely to be found in common
> glues.  Epoxy would work as would PVA, contact adhesives.  To glue irregular
> surfaces, you need a glue with "body".  CA glues (cyano-acrylate
> "superglue") which are normally pretty runny can be used in gel form.
> 
> Jamie
> Fort Myers, FL
> ----- Original Message ----- 
> From: "SAS Teachers" <sasteachers@xxxxxxxxxxxxxxx>
> To: <olympus@xxxxxxxxxx>
> Sent: Friday, January 23, 2004 10:37 AM
> Subject: [OM] Re: [OT] glue recommendation?
> 
> 
> >
> > I just glued together a plaster decorative column that a student damaged
> > while he was moving it.  I used regular carpenters glue, know also in the
> > USA as white glue or "Elmer's" glue.  I believe one of it's main
> > ingredients is milk.
> >
> > Although it is water based, it did not soften the plaster, but soaked into
> > the pores in it and held the cast together.  I did drop pieces and cause
> > more damage while trying to add the last piece, resulting in about 10
> > pieces to repair rather than the 3 we started with.
> >
> > gregg
> >
> >
> > >We've spoken of many glues and adhesives. I need to find a good candidate
> to
> > >re-assemble a broken plaster hand print relief. I know I may as well be
> > >trying to reconstruct a tree from fireplace ash, but it's a sentimental
> > >thing.
> >
> >
> >
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> >
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> 
> 
> 
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