Dow Engage® ENR 7380.00 Ethylene-Butene Copolymer

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Dow Engage® ENR 7380.00 Ethylene-Butene Copolymer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber
Material Notes:	ENR 7380.00 is an ethylene-butene copolymer with higher molecular weight, better toughness, and higher melt strength than other commercially available polyolefin elastomers. It can serve as an extender for SEBS, impart lower gloss in hard TPOs, provide the basis for flexible soft-touch compounds, and is well-suited for extruded applications such as wire and cable. ENR 7380 is also useful for impact modification of various thermoplastic resins. Information provided by manufacturer.
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Physical Properties	Original Value	Comments

Density	0.870 g/cc	ASTM D792
Viscosity	3.60e+6 cP @Shear Rate 100 1/s, Temperature 190 °C	100 rad/sec; ARES Rheometer
	1.10e+7 cP @Shear Rate 10 1/s, Temperature 190 °C	10 rad/sec; ARES Rheometer
	1.80e+7 cP @Shear Rate 1.58 1/s, Temperature 190 °C	1.58 rad/sec; ARES Rheometer
	2.83e+7 cP @Shear Rate 0.1 1/s, Temperature 190 °C	0.1 rad/sec; ARES Rheometer
Mooney Viscosity	48 @Temperature 121 °C	ML 1 + 4; ASTM D1646
Crystallinity	9.1 %	25°C; DuPont Test
	15.7 % @Temperature -40.0 °C	Total; DuPont Test

Mechanical Properties	Original Value	Comments
Hardness, Shore A	68	10 sec; ASTM D2240
Tensile Strength, Ultimate	10.6 MPa	508 mm/min; ASTM D638
Elongation at Break	760 %	508 mm/min; ASTM D638
2% Secant Modulus	0.0135 GPa	ASTM D790

Thermal Properties	Original Value	Comments
Melting Point	48.0 °C	DSC, 10°C/min (peak); DuPont Test
Crystallization Temperature	34.0 °C	DSC, 10°C/min (peak); DuPont Test
Glass Transition Temp, Tg	-52.0 °C	DSC, 10°C/min (inf); DuPont Test

Descriptive Properties
Molecular Weight Distribution	Narrow	GPC

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PDVE50 / 34111

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