S-Plastics Valox EH7020HFresin is a mineral filled PBT/PET that offers good surface appearance, high flow and good heat performance. EH7020HF wasdevelopped for automotiove bezel application that require basecoat + top coat metalization. EH7020HF is higher flow version of EH7020.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 5 mm/min | 56 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 5 mm/min | 55 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 5 mm/min | 2 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 2 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 5880 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 93 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 4680 | MPa | ASTM D 790 |
| Tensile Stress, yield, 5 mm/min | 45 | MPa | ISO 527 |
| Tensile Stress, break, 5 mm/min | 57 | MPa | ISO 527 |
| Tensile Strain, yield, 5 mm/min | 1.5 | % | ISO 527 |
| Tensile Strain, break, 5 mm/min | 1.9 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 4800 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 96 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 4710 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, notched, 23°C | 27 | J/m | ASTM D 256 |
| Izod Impact, notched 80*10*4 +23°C | 2 | kJ/m² | ISO 180/1A |
| THERMAL | Value | Unit | Standard |
| HDT, 1.82 MPa, 3.2mm, unannealed | 70 | °C | ASTM D 648 |
| Vicat Softening Temp, Rate B/120 | 179 | °C | ISO 306 |
| HDT/Ae, 1.8 MPa Edgew 120*10*4 sp=100mm | 77 | °C | ISO 75/Ae |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.49 | - | ASTM D 792 |
| Melt Flow Rate, 265°C/2.16kg | 64 | g/10 min | ASTM D 1238 |
| Melt Flow Rate, 266°C/1.2 kgf | 36 | g/10 min | ASTM D 1238 |
| Density | 1.49 | g/cm³ | ISO 1183 |
| Melt Volume Rate, MVR at 265°C/2.16 kg | 52 | cm³/10 min | ISO 1133 |
| Source GMD, last updated:04/28/2004 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 3 - 4 | hrs |
| Drying Time (Cumulative) | 12 | hrs |
| Maximum Moisture Content | 0.02 | % |
| Melt Temperature | 250 - 265 | °C |
| Nozzle Temperature | 245 - 260 | °C |
| Front - Zone 3 Temperature | 250 - 265 | °C |
| Middle - Zone 2 Temperature | 245 - 260 | °C |
| Rear - Zone 1 Temperature | 240 - 255 | °C |
| Mold Temperature | 65 - 90 | °C |
| Back Pressure | 0.3 - 0.7 | MPa |
| Screw Speed | 50 - 80 | rpm |
| Shot to Cylinder Size | 40 - 80 | % |
| Vent Depth | 0.025 - 0.038 | mm |
| Source GMD, last updated:04/28/2004 | ||
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For more information please download the datasheet |
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S-Plastics Valox EH7020HF.pdf |
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