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Vexel 4450
| Category: | PBT , Polybutylene Terephthalate |
| Manufacturer: | Custom Resins Group |
| Trademark: | Vexel |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | m2Tl10_Vexel-4450.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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Vexel 4450 is a Polybutylene Terephthalate (PBT) material filled with 45% glass fiber. It is available in North America for injection molding. Important attributes of Vexel 4450 are:
Typical applications include:
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.67 | g/cm³ | ASTM D792 |
| Molding Shrinkage | ASTM D955 | ||
| Flow | 0.20 to 0.40 | % | |
| Across Flow | 0.40 to 0.60 | % |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 152 | MPa | ASTM D638 |
| Flexural Modulus | 11700 | MPa | ASTM D790 |
| Flexural Strength | 241 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 80 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed | 216 | °C | |
| 1.8 MPa, Unannealed | 210 | °C | |
| Melting Temperature | 227 | °C |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 121 to 138 | °C | |
| Drying Time | 2.0 to 4.0 | hr | |
| Drying Time, Maximum | 4.0 | hr | |
| Suggested Max Moisture | 0.040 | % | |
| Suggested Shot Size | 30 to 80 | % | |
| Suggested Max Regrind | 25 | % | |
| Rear Temperature | 232 to 249 | °C | |
| Middle Temperature | 238 to 254 | °C | |
| Front Temperature | 243 to 266 | °C | |
| Nozzle Temperature | 249 to 282 | °C | |
| Processing (Melt) Temp | 243 to 266 | °C | |
| Mold Temperature | 54.4 to 107 | °C | |
| Injection Pressure | 68.9 to 124 | MPa | |
| Injection Rate | Moderate-Fast | ||
| Holding Pressure | 55.2 to 96.5 | MPa | |
| Back Pressure | 0.00 to 3.45 | MPa |
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