DuPont Hytrel? TPE HTR8341A BK320 Thermoplastic Copolyester Elastomer (TPC-ET)
Subcategory: Elastomer, TPE; Polyester, TP; Polymer; Thermoplastic
Material Notes:
Hytrel? HTR8341A BK320 is designed for blow molding or processing by techniques requiring high melt viscosity. It has nominal durometer hardness of 43D, is pigmented black with fine particle size carbon black, and contains a general purpose stabilizer.
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| Physical Properties | Metric | English | Comments | |
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| Density | 1.14 g/cc | 0.0412 lb/in? | ISO 1183 | |
| Water Absorption at Saturation | 0.5 % | 0.5 % | Immersed; 23?C; ISO 62 | |
| Melt Flow | 1 g/10 min | 1 g/10 min | 230?C, 2.16kg; ISO 1133 | |
Mechanical Properties |
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| Hardness, Shore D | 43 | 43 | Maximum; ISO 868 | |
| Tensile Strength at Break | 30 MPa | 4350 psi | ISO 527 | |
| Tensile Strength, Yield | 7 MPa | 1020 psi | @ 10% Strain; 23?C; ISO 527 | |
| Elongation at Break | Min 300 % | Min 300 % | ISO 527 | |
| Elongation at Break | 350 % | 350 % | ISO 527 | |
| Flexural Modulus | 0.085 GPa | 12.3 ksi | ISO 178 | |
| Izod Impact, Notched (ISO) | NB | NB | ISO 180/1A | |
| Charpy Impact, Notched | NB | NB | ISO 179/1eA | |
Thermal Properties |
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| CTE, linear 20?C | 178 ?m/m-?C | 98.9 ?in/in-?F | 23 - 55?C (73 - 130?F); Parallel; ISO 11359-1/-2 | |
| CTE, linear 20?C Transverse to Flow | 175 ?m/m-?C | 97.2 ?in/in-?F | 23 - 55?C (73 - 130?F); ISO 11359-1/-2 | |
| Melting Point | 207 ?C | 405 ?F | 10?C/min; ISO 11357-1/-3 | |
| Deflection Temperature at 0.46 MPa (66 psi) | 59 ?C | 138 ?F | ISO 75-1/-2 | |
| Brittleness Temperature | -100 ?C | -148 ?F | ISO 974 | |
Processing Properties |
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| Melt Temperature | 240 ?C | 464 ?F | Optimum; Injection Molding | |
| Mold Temperature | 40 - 50 ?C | 104 - 122 ?F | Injection Molding | |
| Mold Temperature | 45 ?C | 113 ?F | Optimum; Injection Molding | |
| Drying Temperature | 110 ?C | 230 ?F | Blow Molding | |
| Drying Temperature | 110 ?C | 230 ?F | Injection Molding | |
| Dry Time | 3 - 4 hour | 3 - 4 hour | Injection Molding; Dehumidified Dryer | |
| Dry Time | 3 - 4 hour | 3 - 4 hour | Blow Molding; Dehumidified Dryer | |
| Moisture Content | Max 0.02 % | Max 0.02 % | Blow Molding | |
| Moisture Content | Max 0.02 % | Max 0.02 % | Injection Molding | |
Descriptive Properties |
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| Appearance | Black | |||
| DuPont Product Category | Blow Moldable Resins | |||
| Form | Pellets | |||
| Part Marking Code | >TPC-ET< | ISO 11469 | ||
| Processing Method | Blow Molding | |||
| Processing Method | Injection Molding | |||
| Region | Americas | |||
| Region | Asia/Pacific | |||
| Region | Europe | |||
| Resin Identification | TPC-ET | ISO 1043 | ||
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