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Dow Engage® ENR 7256.00 Ethylene-Butene Copolymer

Category	Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Elastomer, Melt-Processible Rubber
Manufacturer	Dow Chemical
Trade Name	Engage®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Dow Engage® ENR 7256.00 Ethylene-Butene Copolymer.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Description: ENR 7256.00 is a unique broader molecular weight distribution ethylene-butene copolymer with higher branching levels that offers excellent clarity, processing and performance in foams and extrusion applications such as tubing, profiles and wire & cable insulations. The polymer is available as pellets for ease in handling and mixing.Information provided by manufacturer.This former DuPont Dow Elastomers product line is now produced by Dow Chemical.

Physical Properties	Metric	English	Comments
Density	0.885 g/cc	0.0320 lb/in³	ASTM D792
Viscosity	910000 cP @Shear Rate 100 1/s, Temperature 190 °C	910000 cP @Shear Rate 100 1/s, Temperature 374 °F	100 rad/sec; ARES Rheometer
	2.26e+6 cP @Shear Rate 10.0 1/s, Temperature 190 °C	2.26e+6 cP @Shear Rate 10.0 1/s, Temperature 374 °F	10 rad/sec; ARES Rheometer
	4.06e+6 cP @Shear Rate 1.58 1/s, Temperature 190 °C	4.06e+6 cP @Shear Rate 1.58 1/s, Temperature 374 °F	1.58 rad/sec; ARES Rheometer
	7.01e+6 cP @Shear Rate 0.100 1/s, Temperature 190 °C	7.01e+6 cP @Shear Rate 0.100 1/s, Temperature 374 °F	0.1 rad/sec; ARES Rheometer
Melt Index of Compound	2.0 g/10 min @Load 2.16 kg, Temperature 190 °C	2.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238
Crystallinity	18.8 %	18.8 %	25°C; DuPont Test
	22.8 % @Temperature -40.0 °C	22.8 % @Temperature -40.0 °F	Total; DuPont Test

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	79	79	10 sec; ASTM D2240
Tensile Strength, Ultimate	11.7 MPa	1700 psi	508 mm/min; ASTM D638
Elongation at Break	820 %	820 %	508 mm/min; ASTM D638
1% Secant Modulus	27.20 MPa	3945 psi	ASTM D790

Thermal Properties	Metric	English	Comments
Melting Point	73.0 °C	163 °F	DSC, 10°C/min (peak); DuPont Test
Crystallization Temperature	58.0 °C	136 °F	DSC, 10°C/min (peak); DuPont Test
Vicat Softening Point	53.0 °C	127 °F	ASTM D1525
Glass Transition Temp, Tg	-45.0 °C	-49.0 °F	DSC, 10°C/min (inf); DuPont Test

Descriptive Properties	Value	Comments
Molecular Weight Distribution	Medium	GPC

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