| About |
|---|
| Vypet VNT 340 HD is a 40% glass/mineral reinforced PET injection molding compound designed for electrical and structural applications, with High Dielectric Strength Features: High temperature performance Excellent strength & high stiffness Excellent dimensional stability Applications: Electric motors Brackets Connectors&& |
| Product Description | |
|---|---|
| Supplier | Lavergne |
| Generic | PET |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good Dimensional Stability,HB |
| Availabilitys | North America |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.64 | g/cm³ | ISO 1183 |
| Shrinkage rate | ASTM D955 | ||
| MD：2.0 mm | 0.25 | % | ASTM D955 |
| MD：3.2 mm | 0.32 | % | ASTM D955 |
| TD：2.0 mm | 0.53 | % | ASTM D955 |
| TD：3.2 mm | 0.79 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.060 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 6.7 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 224 | ℃ | ISO 75-2/A |
| Melting temperature | 249 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | ISO 11359-2 | ||
| MD：23~55℃ | 1.7E-5 | 1/℃ | ISO 11359-2 |
| TD：23~55℃ | 8.7E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.1E+15 | ohms·cm | ASTM D257 |
| Dielectric strength | ASTM D149 | ||
| 23 ℃, 1.6 mm, in oil | 22 | kV/mm | ASTM D149 |
| 23 ℃, 3.2 mm, in oil | 16 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 kHz | 3.80 | ASTM D150 | |
| Dissipation factor | |||
| 1 kHz | 0.011 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.75 mm | HB | UL 94 | |
| Burning rate | |||
| 1 mm | 47 | mm/min | ISO 3795 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| R-level | 113 | ASTM D785 | |
| tensile strength | |||
| Fracture, 23 ℃ | 111 | MPa | ISO 527-2/5 |
| Bending modulus | 10500 | MPa | ISO 178 |
| bending strength | 170 | MPa | ISO 178 |
| compressive strength | 151 | MPa | ASTM D695 |
| shear strength | 59.0 | MPa | ASTM D732 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Barrel rear temperature | 260 to 270 | °C | |
| Barrel middle temperature | 265 to 275 | °C | |
| Barrel front temperature | 270 to 295 | °C | |
| Nozzle temperature | 275 to 300 | °C | |
| Processing (melt) temperature | 275 to 300 | °C | |
| Mold temperature | 95 to 120 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. (2mmx60mmx60mm) |
| 3. (3.2mmx7.6mmx12.6mm) |
| 4. 0.079 in/min |
| 5. 0.051 in/min |
| 6. 500 V/sec |
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