S-Plastics Valox 420HPresin is 30% Glass filled PBT resin, FDA Food Contact compliant in limited colors. Effective March 2008 this grade will no longer be supportedwith biocompatibility information. Alternative grade Valox HX420HP.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 5 mm/min | 120 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 5 mm/min | 119 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 5 mm/min | 3 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 3 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 9300 | MPa | ASTM D 638 |
| Flexural Stress, brk, 1.3 mm/min, 50 mm span | 189 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 7580 | MPa | ASTM D 790 |
| Hardness, Rockwell R | 118 | - | ASTM D 785 |
| Tensile Stress, yield, 5 mm/min | 125 | MPa | ISO 527 |
| Tensile Stress, break, 5 mm/min | 125 | MPa | ISO 527 |
| Tensile Strain, yield, 5 mm/min | 2 | % | ISO 527 |
| Tensile Strain, break, 5 mm/min | 2 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 9300 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 195 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 8500 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 801 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 85 | J/m | ASTM D 256 |
| Izod Impact, notched, -30°C | 80 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 10 | J | ASTM D 3763 |
| Izod Impact, notched 80*10*4 +23°C | 45 | kJ/m² | ISO 180/1A |
| Izod Impact, notched 80*10*4 -30°C | 45 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 5 | kJ/m² | ISO 179/1eA |
| THERMAL | Value | Unit | Standard |
| Vicat Softening Temp, Rate B/50 | 215 | °C | ASTM D 1525 |
| HDT, 0.45 MPa, 6.4 mm, unannealed | 215 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 6.4 mm, unannealed | 207 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 2.52E-05 | 1/°C | ASTM E 831 |
| CTE, 60°C to 138°C, flow | 2.52E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, flow | 1.2E-04 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 2.52E-05 | 1/°C | ISO 11359-2 |
| Vicat Softening Temp, Rate B/50 | 215 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 220 | °C | ISO 306 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 200 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.53 | - | ASTM D 792 |
| Specific Volume | 0.65 | cm³/g | ASTM D 792 |
| Water Absorption, 24 hours | 0.06 | % | ASTM D 570 |
| Mold Shrinkage, flow, 3.2 mm | 0.3 - 0.8 | % | S-Plastics Method |
| Mold Shrinkage, flow, 1.5-3.2 mm | 0.3 - 0.5 | % | S-Plastics Method |
| Mold Shrinkage, flow, 3.2-4.6 mm | 0.5 - 0.8 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 1.5-3.2 mm | 0.4 - 0.6 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2-4.6 mm | 0.6 - 0.9 | % | S-Plastics Method |
| Melt Flow Rate, 250°C/2.16 kgf | 26 | g/10 min | ASTM D 1238 |
| Density | 1.53 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.26 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.06 | % | ISO 62 |
| Melt Volume Rate, MVR at 250°C/2.16 kg | 20 | cm³/10 min | ISO 1133 |
| ELECTRICAL | Value | Unit | Standard |
| Volume Resistivity | >3.2E+16 | Ohm-cm | ASTM D 257 |
| Dielectric Strength, in air, 3.2 mm | 18.7 | kV/mm | ASTM D 149 |
| Dielectric Strength, in oil, 1.6 mm | 24.8 | kV/mm | ASTM D 149 |
| Relative Permittivity, 100 Hz | 3.8 | - | ASTM D 150 |
| Relative Permittivity, 1 MHz | 3.7 | - | ASTM D 150 |
| Dissipation Factor, 100 Hz | 0.002 | - | ASTM D 150 |
| Dissipation Factor, 1 MHz | 0.02 | - | ASTM D 150 |
| Source GMD, last updated:02/27/2008 | |||
| 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:02/27/2008 | ||
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For more information please download the datasheet |
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S-Plastics Valox 420HP.pdf |
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