Wacker Vinnex® 2525 Vinyl Acetate Homopolymer

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Wacker Vinnex® 2525 Vinyl Acetate Homopolymer
Categories:	Polymer; Thermoplastic
Material Notes:	VINNEX® 2525 is a solid, thermoplastic homopolymer. The clear and colorless resin is prepared by polymerization of vinyl acetate. VINNEX® 2525 is tasteless. Application: Typical applications for VINNEX® 2525: blending with natural fibers or flour such as wood, starch and cork. It is also suitable for the modification of biopolymers and biopolymer compounds. 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	35 - 55 cP	10% in ethylacetate; ASTM D445-06
	3000 cP @Temperature 220 °C
	3500 cP @Temperature 200 °C
	4500 cP @Temperature 180 °C
Molecular Weight	360000 g/mol

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

Thermal Properties	Original Value	Comments
Softening Point	200 °C	Ring and Ball; DIN ISO 4625
Glass Transition Temp, Tg	44.0 °C	DIN EN ISO 11357-2

Descriptive Properties
K-Value	67-73	DIN 53726

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PWACK9667 / 205196

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