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CD Formulation - Polyvinyl Alcohol

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Polyvinyl Alcohol is a kind of Film Former Excipients provided by CD Formulation. Polyvinyl alcohol has various reactions of secondary hydroxyl compounds, such as esterification reaction. It will drop in strong acids, soften or dissolve in weak acids and alkalis. High concentrations of PVA is incompatibility with inorganic salts, especially sulphate and phosphate. Phosphate can precipitate 5% (W/V) of polyvinyl alcohol. Borax can make PVA forms a gel.