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Polyvinyl butyral (or PVB) is a resin.
P 2063 (OTTO) Polyvinyl butyral Cas 63148-65-2 - used in automotive and architectural fields in film and glass applications. P 2063 (OTTO) Polyvinyl butyral Cas 63148-65-2 - used in ceramic binders, inks, dyes, and many paint and coating products.