Wacker Vinnapas® UW 4 FS Vinyl Acetate Homopolymer

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Wacker Vinnapas® UW 4 FS Vinyl Acetate Homopolymer
Categories:	Polymer; Thermoplastic
Material Notes:	VINNAPAS® UW 4 FS is a solid, thermoplastic homopolymer. The clear and colorless resin is prepared by polymerization of vinyl acetate. VINNAPAS® UW 4 FS is tasteless. Application: Typical applications for VINNAPAS® UW 4 FS: fiber reinforced plastics Adhesives powder injection molding sound damping Information provided by Wacker Chemie AG.
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Physical Properties	Original Value	Comments

Bulk Density	0.700 - 0.850 g/cc	DIN 53466
Density	1.18 g/cc	DIN EN ISO 2811/1-3
Volatiles	<= 1.0 %
Viscosity	23 - 30 cP	10% in ethylacetate; ASTM D445-06
Brookfield Viscosity	>= 740 cP	20 rpm, 20% solid content in styrene
	>= 7100 cP	20 rpm, 30% solid content in styrene
	>= 66000 cP	20 rpm, 40% solid content in styrene
Molecular Weight	280000 g/mol

Chemical Properties	Original Value	Comments
Total Acid Number	<= 0.50	[mg KOH/g]

Thermal Properties	Original Value	Comments
Softening Point	155 °C	Ring and Ball; DIN ISO 4625
Glass Transition Temp, Tg	44.0 °C	DIN EN ISO 11357-2

Descriptive Properties
K-Value	60-66	DIN 53726

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