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- Dow Engage® ENR 7256.00 Ethylene-Butene Copolymer
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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