Eastman Butvar® B-76 Polyvinyl Butyral Resin

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Eastman Butvar® B-76 Polyvinyl Butyral Resin
Categories:	Polymer; Thermoplastic; Vinyl (PVC)
Material Notes:	Product Description: Butvar® B-76 is a thermoplastic, polyvinyl butyral resin which offers a unique combination of properties for coating or adhesive applications. The use or addition of polyvinyl butyral to a system imparts adhesion, toughness, and flexibility. PVB retains the clarity of the coating and offers reactive hydroxyl sites for crosslinking with thermoset systems. The broad solubility range of Butvar® B-76 allows it to be formulated into many applications. Application/Uses: Binders for inks, toners, and reprographic coatings Ceramic and metal oxide binders Coatings for wood, metal or plastic substrates Information provided by Eastman
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Physical Properties	Metric	English	Comments

Density	1.083 g/cc	0.03913 lb/in³
Volatiles	<= 5.0 %	<= 5.0 %
Viscosity	18 cP	18 cP	5% solids in SD-29 ethyl alcohol
Molecular Weight	90000 - 120000 g/mol	90000 - 120000 g/mol

Thermal Properties	Metric	English	Comments
Glass Transition Temp, Tg	62.0 - 72.0 °C	144 - 162 °F

Descriptive Properties
Appearance	White, free-flowing powder
Content	<2.5 %		Acetate Content
	11.5-13.5%		Hydroxyl Content
	88%		Butyryl Content

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PEATM5089 / 222283

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