Polyvinyl Alcohol.mpg
2:21
Added: 3 years ago
From: stagfiles
Views: 3,646
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  • Was that a VHS?

    StainyMcTaint 1 week ago

  • Also used for manufacturing cathode ray tubes; PVA is a binder for the phosphor coating, which is the fired off later at 400 deg C.

    AntiProtonBoy 7 months ago

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