S-Plastics Valox K3501 resin is Unfilled PBT, Hydrollytically Stable, Heat Stabilized, Impact Modified. A hydrollytically stable grade designed for improved performance under heat/humidity environments. Targeted at automotive underhood applications requiring USCAR-2 Class III humidity/heat
performance.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 49 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 50 mm/min | 24 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 3.5 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 51 | % | ASTM D 638 |
| Tensile Modulus, 50 mm/min | 2430 | MPa | ASTM D 638 |
| Flexural Stress, yld, 1.3 mm/min, 50 mm span | 71 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2080 | MPa | ASTM D 790 |
| Tensile Stress, yield, 50 mm/min | 50 | MPa | ISO 527 |
| Tensile Stress, break, 50 mm/min | 73 | MPa | ISO 527 |
| Tensile Strain, yield, 50 mm/min | 3.2 | % | ISO 527 |
| Tensile Strain, break, 50 mm/min | 37 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 2020 | MPa | ISO 527 |
| Flexural Stress, yield, 2 mm/min | 73 | MPa | ISO 178 |
| Flexural Modulus, 2 mm/min | 2020 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, -30°C | NB | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 89 | J/m | ASTM D 256 |
| Izod Impact, notched, 0°C | 83 | J/m | ASTM D 256 |
| Izod Impact, notched, -20°C | 73 | J/m | ASTM D 256 |
| Instrumented Impact Total Energy, 23°C | 48 | J | ASTM D 3763 |
| Instrumented Impact Total Energy, -40°C | 60 | J | ASTM D 3673 |
| Izod Impact, unnotched 80*10*4 -30°C | NB | kJ/m² | ISO 180/1U |
| Izod Impact, notched 80*10*4 +23°C | 8 | kJ/m² | ISO 180/1A |
| Charpy 23°C, V-notch Edgew 80*10*4 sp=62mm | 10 | kJ/m² | ISO 179/1eA |
| THERMAL | Value | Unit | Standard |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 127 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 46 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 9.1E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 9.7E-05 | 1/°C | ISO 11359-2 |
| Ball Pressure Test, 75°C +/- 2°C | NA | - | IEC 60695-10-2 |
| Vicat Softening Temp, Rate B/50 | 170 | °C | ISO 306 |
| Vicat Softening Temp, Rate B/120 | 170 | °C | ISO 306 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 46 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Mold Shrinkage, flow, 3.2 mm | 1.7 - 2.6 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2 mm | 1.7 - 2.6 | % | S-Plastics Method |
| Density | 1.28 | g/cm³ | ISO 1183 |
| Water Absorption, (23°C/sat) | 0.34 | % | ISO 62 |
| Moisture Absorption (23°C / 50% RH) | 0.08 | % | ISO 62 |
| Melt Volume Rate, MVR at 250°C/2.16 kg | 26 | cm³/10 min | ISO 1133 |
| AFTER 40 CYCLES, SIMILAR TO USCAR-2, CLASS III | Value | Unit | Standard |
| Tensile Stress, brk, Type I, 50 mm/min | 37 | MPa | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 12 | % | ASTM D 638 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2350 | MPa | ASTM D 790 |
| Instrumented Impact, Total Energy, 23°C | 58 | J | ASTM D 3763 |
| PROPERTIES AFTER 1008 HOURS AT 125?C | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 50 mm/min | 54 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 50 mm/min | 4 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 50 mm/min | 25 | % | ASTM D 638 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 2330 | MPa | ASTM D 790 |
| Instrumented Impact, Total Energy, 23°C | 61 | J | ASTM D 3763 |
| Source GMD, last updated:04/02/2004 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 60 - 75 | °C |
| Drying Time | 4 - 5 | hrs |
| Drying Time (Cumulative) | 8 | hrs |
| Maximum Moisture Content | 0.05 | % |
| 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:04/02/2004 | ||
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For more information please download the datasheet |
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S-Plastics Valox K3501.pdf |
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