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What is pva glue made of?

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PVA?
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oil
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poly vinyl acetate. It's a byproduct of the petrochemical industry.
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PVA glue is "white glue." Most white glues are a suspension of polyvinyl acetate (PVA) resin in water...." vinyl acrylic."

....these include "all-purpose" white glues like Elmer's Glue-All, Sobo, etc.

......and also tacky glues (thickened white glues), yellow "wood glue" (a faster setting, more waterproof & refined white glue) , jewel-holding glues (GemTac, Jewel-It) ... sizing glues, etc.

If you want to read something about the characteristics of, and differences between, various white glues, check out this page at my site:

http://glassattic.com/polymer/glues-Dilu...

(...click on White Glues...)

HTH,

Diane B.
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Poly Vinyl Acetate
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Polyvinyl acetate (PVA or PVAc) is a rubbery synthetic polymer. It is prepared by polymerization of vinyl acetate monomer, also referred to as VAM. Partial or complete hydrolysis of the polymer is used to prepare polyvinyl alcohol. Hydroylized alcohol product is typically in the 87% to 99% range (converted PVA). It was discovered in Germany by Dr. Fritz Klatte in 1912.
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soz, dunno, but i used to love spreading it on my hands when my next lesson was going to be boring then i would sit and peel it of in said lesson .lol that was about 19 years ago
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