S-Plastics Valox K4330 resin is 15% glass reinforced PBT. Impact modified, additional mold release. Good flow/ductility/cycle time. Automotive applications.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, yld, Type I, 5 mm/min | 103 | MPa | ASTM D 638 |
| Tensile Stress, brk, Type I, 5 mm/min | 103 | MPa | ASTM D 638 |
| Tensile Strain, yld, Type I, 5 mm/min | 4.5 | % | ASTM D 638 |
| Tensile Strain, brk, Type I, 5 mm/min | 5.5 | % | ASTM D 638 |
| Tensile Modulus, 5 mm/min | 3550 | MPa | ASTM D 638 |
| Flexural Stress, brk, 1.3 mm/min, 50 mm span | 150 | MPa | ASTM D 790 |
| Flexural Modulus, 1.3 mm/min, 50 mm span | 4680 | MPa | ASTM D 790 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 453 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 58 | J/m | ASTM D 256 |
| THERMAL | Value | Unit | Standard |
| HDT, 0.45 MPa, 3.2 mm, unannealed | 200 | °C | ASTM D 648 |
| HDT, 1.82 MPa, 3.2mm, unannealed | 197 | °C | ASTM D 648 |
| PHYSICAL | Value | Unit | Standard |
| Specific Gravity | 1.41 | - | ASTM D 792 |
| Mold Shrinkage, flow, 3.2 mm | 0.7 - 0.9 | % | S-Plastics Method |
| Mold Shrinkage, xflow, 3.2 mm | 1 - 1.2 | % | S-Plastics Method |
| Source GMD, last updated:01/29/1998 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 60 - 75 | °C |
| Drying Time | 4 - 6 | 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:01/29/1998 |
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For more information please download the datasheet |
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S-Plastics Valox K4330.pdf |
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