DuPont Hytrel? PET G4078W TPC-ET
Subcategory: Elastomer, TPE; Polyester, TP; Polymer; Thermoplastic
Material Notes:
Hytrel? G4078W is a low modulus grade with nominal hardness of 40D. It contains non-discoloring stabilizer. It can be processed by many conventional thermoplastic processing techniques like injection molding and extrusion.
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| Physical Properties | Metric | English | Comments | |
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| Density | 1.18 g/cc | 0.0426 lb/in? | ISO 1183 | |
| Specific Gravity | 1.18 g/cc | 0.0426 lb/in? | ASTM D 792 | |
| Water Absorption | 2.1 % | 2.1 % | Immersion 24h; 23?C; ISO 62 | |
| Water Absorption | 3 % | 3 % | Immersion 24h; 23?C; ASTM D 570 | |
| Moisture Absorption at Equilibrium | 0.4 % | 0.4 % | 50%RH; 23?C; ISO 62 | |
| Water Absorption at Saturation | 3.7 % | 3.7 % | Immersed; 23?C; ISO 62 | |
| Linear Mold Shrinkage | 0.008 cm/cm | 0.008 in/in | Flow; ASTM D 955 | |
| Linear Mold Shrinkage | 0.008 cm/cm | 0.008 in/in | Parallel 2.0mm; ISO 294-4 | |
| Linear Mold Shrinkage, Transverse | 0.008 cm/cm | 0.008 in/in | 2.0mm; ISO 294-4 | |
| Melt Flow | 5 g/10 min | 5 g/10 min | 2.16 kg/190?C; based on room temperature density; ISO 1133 | |
| Melt Flow | 5.3 g/10 min | 5.3 g/10 min | 2.16kg at 190?C; ASTM D 1238 | |
| Melt Flow | 5.3 g/10 min | 5.3 g/10 min | 190?C, 2.16kg; ISO 1133 | |
Mechanical Properties |
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| Hardness, Shore D | 35 | 35 | 15s; ISO 868 | |
| Hardness, Shore D | 40 | 40 | Maximum; ASTM D 2240 | |
| Hardness, Shore D | 40 | 40 | Maximum; ISO 868 | |
| Tensile Strength at Break | 17 MPa | 2470 psi | ISO 527 | |
| Tensile Strength at Break | 17 MPa | 2470 psi | ASTM D 638 | |
| Tensile Strength, Yield | 2.5 MPa | 363 psi | @ 5% Strain; 23?C; ISO 527 | |
| Tensile Strength, Yield | 3 MPa | 435 psi | @ 5% Strain; 23?C; ASTM D 638 | |
| Tensile Strength, Yield | 4.4 MPa | 638 psi | @ 10% Strain; 23?C; ISO 527 | |
| Tensile Strength, Yield | 4.5 MPa | 653 psi | @ 10% Strain; 23?C; ASTM D 638 | |
| Elongation at Break | Min 50 % | Min 50 % | Nominal; ISO 527 | |
| Elongation at Break | 250 % | 250 % | ISO 527 | |
| Elongation at Break | 310 % | 310 % | ASTM D 638 | |
| Tensile Modulus | 0.055 GPa | 7.98 ksi | ISO 527 | |
| Flexural Modulus | 0.016 GPa | 2.32 ksi | 100?C; ASTM D 790 | |
| Flexural Modulus | 0.016 GPa | 2.32 ksi | 100?C; ISO 178 | |
| Flexural Modulus | 0.065 GPa | 9.43 ksi | ISO 178 | |
| Flexural Modulus | 0.0655 GPa | 9.5 ksi | ASTM D 790 | |
| Flexural Modulus | 0.166 GPa | 24.1 ksi | -40?C; ASTM D 790 | |
| Flexural Modulus | 0.17 GPa | 24.7 ksi | -40?C; ISO 178 | |
| Izod Impact, Notched (ISO) | NB | NB | ISO 180/1A | |
| Izod Impact, Notched, Low Temp (ISO) | NB | NB | -40?C; ISO 180/1A | |
| Charpy Impact Unnotched | NB | NB | ISO 179/1eU | |
| Charpy Impact, Notched, Low Temp | NB | NB | -30?C; ISO 179/1eA | |
| Charpy Impact, Unnotched Low Temp | NB | NB | -30?C; ISO 179/1eU | |
| Charpy Impact, Notched | NB | NB | ISO 179/1eA | |
| Izod Impact, Notched | 0.27 J/cm | 0.506 ft-lb/in | -40?C; ASTM D 256 | |
| Izod Impact, Notched | NB | NB | ASTM D 256 | |
Electrical Properties |
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| Volume Resistivity | 4e+009 ohm-cm | 4e+009 ohm-cm | IEC 60093 | |
| Surface Resistance | 2e+013 ohm | 2e+013 ohm | IEC 60093 | |
| Dielectric Constant | 5 | 5 | 1E6 Hz; IEC 60250 | |
| Dielectric Constant | 5.7 | 5.7 | 1E2 Hz; IEC 60250 | |
| Dielectric Strength | 17 kV/mm | 432 kV/in | IEC 60243-1 | |
| Dissipation Factor | 0.053 | 0.053 | 1E6 Hz; IEC 60250 | |
| Dissipation Factor | 0.055 | 0.055 | 1E2 Hz; IEC 60250 | |
| Comparative Tracking Index | Min 600 V | Min 600 V | IEC 60112 | |
| Comparative Tracking Index | Min 600 V | Min 600 V | 23?C; 3.0mm; UL 746A | |
| Comparative Tracking Index | 600 V | 600 V | IEC 60112 | |
Thermal Properties |
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| CTE, linear 20?C | 187 ?m/m-?C | 104 ?in/in-?F | 23 - 55?C (73 - 130?F); Parallel; ASTM E 831 | |
| CTE, linear 20?C | 193 ?m/m-?C | 107 ?in/in-?F | -40 - 23?C (-40 - 73?F); Parallel; ASTM E 831 | |
| CTE, linear 20?C | 193 ?m/m-?C | 107 ?in/in-?F | -40 - 23?C (-40 - 73?F); Parallel; ISO 11359-1/-2 | |
| CTE, linear 20?C | 215 ?m/m-?C | 119 ?in/in-?F | 23 - 55?C (73 - 130?F); Parallel; ISO 11359-1/-2 | |
| CTE, linear 20?C Transverse to Flow | 173 ?m/m-?C | 96.1 ?in/in-?F | 55 - 120?C (130 - 248?F); ASTM E 831 | |
| CTE, linear 20?C Transverse to Flow | 173 ?m/m-?C | 96.1 ?in/in-?F | 55 - 120?C (130 - 248?F); ISO 11359-1/-2 | |
| CTE, linear 20?C Transverse to Flow | 207 ?m/m-?C | 115 ?in/in-?F | 23 - 55?C (73 - 130?F); ISO 11359-1/-2 | |
| CTE, linear 20?C Transverse to Flow | 215 ?m/m-?C | 119 ?in/in-?F | 23 - 55?C (73 - 130?F); ASTM E 831 | |
| CTE, linear 20?C Transverse to Flow | 233 ?m/m-?C | 129 ?in/in-?F | -40 - 23?C (-40 - 73?F); ASTM E 831 | |
| CTE, linear 20?C Transverse to Flow | 233 ?m/m-?C | 129 ?in/in-?F | -40 - 23?C (-40 - 73?F); ISO 11359-1/-2 | |
| CTE, linear 100?C | 207 ?m/m-?C | 115 ?in/in-?F | 55 - 120?C (130 - 248?F); Parallel; ASTM E 831 | |
| CTE, linear 100?C | 207 ?m/m-?C | 115 ?in/in-?F | 55 - 120?C (130 - 248?F); Parallel; ISO 11359-1/-2 | |
| Melting Point | 170 ?C | 338 ?F | ASTM D 3418 | |
| Melting Point | 170 ?C | 338 ?F | 10?C/min; ISO 11357-1/-3 | |
| Deflection Temperature at 0.46 MPa (66 psi) | 50 ?C | 122 ?F | ASTM D 648 | |
| Brittleness Temperature | -60 ?C | -76 ?F | ISO 974 | |
| Glass Temperature | -30 ?C | -22 ?F | 10?C/min; ISO 11357-1/-2 | |
| UL RTI, Electrical | 50 ?C | 122 ?F | 3.0mm; UL 746B | |
| UL RTI, Electrical | 50 ?C | 122 ?F | 1.5mm; UL 746B | |
| UL RTI, Mechanical with Impact | 50 ?C | 122 ?F | 1.5mm; UL 746B | |
| UL RTI, Mechanical with Impact | 50 ?C | 122 ?F | 3.0mm; UL 746B | |
| UL RTI, Mechanical without Impact | 50 ?C | 122 ?F | 3.0mm; UL 746B | |
| UL RTI, Mechanical without Impact | 50 ?C | 122 ?F | 1.5mm; UL 746B | |
| Flammability, UL94 | HB | HB | 3.0mm; IEC 60695-11-10 | |
| Flammability, UL94 | HB | HB | 3.0mm; UL94 | |
| Flammability, UL94 | HB | HB | 1.5mm; IEC 60695-11-10 | |
| Flammability, UL94 | HB | HB | 1.5mm; UL94 | |
| Oxygen Index | 20 % | 20 % | ISO 4589-1/-2 | |
Processing Properties |
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| Melt Temperature | 195 ?C | 383 ?F | Optimum; Extrusion | |
| Melt Temperature | 200 ?C | 392 ?F | Optimum; Injection Molding | |
| Mold Temperature | 30 - 40 ?C | 86 - 104 ?F | Injection Molding | |
| Mold Temperature | 40 ?C | 104 ?F | Optimum; Injection Molding | |
| Drying Temperature | 80 ?C | 176 ?F | Extrusion | |
| Drying Temperature | 80 ?C | 176 ?F | Injection Molding | |
| Dry Time | 2 - 3 hour | 2 - 3 hour | Extrusion; Dehumidified Dryer | |
| Dry Time | 2 - 3 hour | 2 - 3 hour | Injection Molding; Dehumidified Dryer | |
| Moisture Content | Max 0.08 % | Max 0.08 % | Extrusion | |
| Moisture Content | Max 0.08 % | Max 0.08 % | Injection Molding | |
Descriptive Properties |
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| Additive | Antioxidant | |||
| Appearance | Beige, Light | |||
| Drying | Recommended | |||
| DuPont Product Category | General Purpose Resins | |||
| Extrudable | Blown Film | |||
| Extrudable | Cast Film | |||
| Extrudable | Coating | |||
| Extrudable | Filament | |||
| Extrudable | Hose | |||
| Extrudable | Sheet | |||
| Extrudable | Tubing | |||
| Extrudable | Wire and Cable | |||
| Extrusion Blow Moldable | Yes | |||
| Features | Color Stability, Good | |||
| Features | Copolymer, Block | |||
| Features | General Purpose | |||
| Features | Hardness, Low | |||
| Form | Pellets | |||
| Heat Stabilized | Yes | |||
| Injection Blow Moldable | Yes | |||
| Injection Moldable | Yes | |||
| Melt Castable | Yes | |||
| Part Marking Code | >TPC-ET< | ISO 11469 | ||
| Processing Method | Extrusion | |||
| Processing Method | Foam Processing | |||
| Processing Method | Injection Molding, Multi | |||
| Region | Americas | |||
| Region | Asia/Pacific | |||
| Region | Europe | |||
| Resin Identification | TPC-ET | ISO 1043 | ||
| Uses | Sporting Goods | |||
| Uses | Foam | |||
| Uses | Cable Jacketing | |||
| Uses | Coating Applications | |||
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