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Audio and Video Talk
Vinyl
Cleaning LP's with glue!!
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<blockquote data-quote="Shonver" data-source="post: 54214" data-attributes="member: 34"><p>I googled this info a few weeks ago, so it is not so fresh in my memory:</p><p></p><p>The difference between PVA (polyvinyl acetate*) and PVAL (polyvinyl alcohol) is that PVA is suitable mostly for gluing, while PVAL has good film-forming properties. Neither of these adheres to vinyl. A good record cleaning film would therefore ideally consist of PVAL, which is the main carrier, a wetting agent (forget its name), a solvent (isopropyl alcohol), an emulsifier and some water (distilled). The liquid would have to stay wet for long enough to allow the solvent to dissolve any greasiness on the surface...</p><p></p><p>Any chemists here who can perfect the formula for us?</p><p></p><p>*somehow I always thought it stood for polyvinyl <em>acrylate</em></p></blockquote><p></p>
[QUOTE="Shonver, post: 54214, member: 34"] I googled this info a few weeks ago, so it is not so fresh in my memory: The difference between PVA (polyvinyl acetate*) and PVAL (polyvinyl alcohol) is that PVA is suitable mostly for gluing, while PVAL has good film-forming properties. Neither of these adheres to vinyl. A good record cleaning film would therefore ideally consist of PVAL, which is the main carrier, a wetting agent (forget its name), a solvent (isopropyl alcohol), an emulsifier and some water (distilled). The liquid would have to stay wet for long enough to allow the solvent to dissolve any greasiness on the surface... Any chemists here who can perfect the formula for us? *somehow I always thought it stood for polyvinyl [i]acrylate[/i] [/QUOTE]
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Audio and Video Talk
Vinyl
Cleaning LP's with glue!!
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