S-Plastics Thermocomp WH0270B resin is a compound based on Polybutylene Terephalate resin containing High Specific Gravity Filler. Addedfeatures of this material include: High Specific Gravity.
| MECHANICAL | Value | Unit | Standard |
| Tensile Stress, break | 46 | MPa | ASTM D 638 |
| Tensile Strain, break | 1.6 | % | ASTM D 638 |
| Tensile Modulus, 50 mm/min | 9990 | MPa | ASTM D 638 |
| Flexural Stress | 81 | MPa | ASTM D 790 |
| Flexural Modulus | 8960 | MPa | ASTM D 790 |
| Tensile Stress, break | 40 | MPa | ISO 527 |
| Tensile Strain, yield | 1.3 | % | ISO 527 |
| Tensile Strain, break | 1.3 | % | ISO 527 |
| Tensile Modulus, 1 mm/min | 7500 | MPa | ISO 527 |
| Flexural Stress | 74 | MPa | ISO 178 |
| Flexural Modulus | 9510 | MPa | ISO 178 |
| IMPACT | Value | Unit | Standard |
| Izod Impact, unnotched, 23°C | 144 | J/m | ASTM D 4812 |
| Izod Impact, notched, 23°C | 32 | J/m | ASTM D 256 |
| Instrumented Impact Energy @ peak, 23°C | 4 | J | ASTM D 3763 |
| Multiaxial Impact | 1 | J | ISO 6603 |
| Izod Impact, unnotched 80*10*4 +23°C | 9 | kJ/m² | ISO 180/1U |
| Izod Impact, notched 80*10*4 +23°C | 5 | kJ/m² | ISO 180/1A |
| THERMAL | Value | Unit | Standard |
| HDT, 1.82 MPa, 3.2mm, unannealed | 191 | °C | ASTM D 648 |
| CTE, -40°C to 40°C, flow | 3.24E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, xflow | 4.68E-05 | 1/°C | ASTM E 831 |
| CTE, -40°C to 40°C, flow | 3.39E-05 | 1/°C | ISO 11359-2 |
| CTE, -40°C to 40°C, xflow | 4.7E-05 | 1/°C | ISO 11359-2 |
| HDT/Af, 1.8 MPa Flatw 80*10*4 sp=64mm | 186 | °C | ISO 75/Af |
| PHYSICAL | Value | Unit | Standard |
| Density | 2.7 | g/cm³ | ASTM D 792 |
| Moisture Absorption, 50% RH, 24 hrs | 0.09 | % | ASTM D 570 |
| Mold Shrinkage, flow, 24 hrs | 0.8 - 1 | % | ASTM D 955 |
| Mold Shrinkage, xflow, 24 hrs | 1 - 1.2 | % | ASTM D 955 |
| Mold Shrinkage, flow, 24 hrs | 0.8 - 1 | % | ISO 294 |
| Mold Shrinkage, xflow, 24 hrs | 1 - 1.2 | % | ISO 294 |
| Density | 2.7 | g/cm³ | ISO 1183 |
| Moisture Absorption (23°C / 50% RH) | 0.07 | % | ISO 62 |
| Source GMD, last updated:10/02/2004 | |||
| Parameter | ||
| Injection Molding | Value | Unit |
| Drying Temperature | 120 | °C |
| Drying Time | 4 | hrs |
| Maximum Moisture Content | 0.05 | % |
| Melt Temperature | 240 - 265 | °C |
| Front - Zone 3 Temperature | 260 - 270 | °C |
| Middle - Zone 2 Temperature | 245 - 255 | °C |
| Rear - Zone 1 Temperature | 220 - 230 | °C |
| Mold Temperature | 80 - 100 | °C |
| Back Pressure | 0.2 - 0.3 | MPa |
| Screw Speed | 30 - 60 | rpm |
| Source GMD, last updated:10/02/2004 | ||
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For more information please download the datasheet |
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S-Plastics Thermocomp WH0270B.pdf |
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