| About |
|---|
| Vandar 4612R is a high impact polyester alloy containing 7% glass. It possesses excellent impact properties as well as toughness and moldability. Dimensional stability, chemical resistance, and low moisture absorption are other key features.&& |
| Product Description | |
|---|---|
| Supplier | Celanese |
| Generic | polybutylene terephthalate |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good flexibility,High impact resistance,Good Dimensional Stability,Solvent resistance,Low moisture absorption,HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ASTM D792 |
| Density | 1.30 | g/cm³ | ISO 1183 |
| Melt Volume Rate | |||
| 250℃，5 kg | 8.50 | cm³/10min | ISO 1133 |
| Shrinkage rate | ISO 294-4 | ||
| MD | 0.60 to 0.80 | % | ASTM D955 |
| TD | 1.2 to 1.4 | % | ISO 294-4 |
| MD | 0.60 to 0.80 | % | ISO 294-4 |
| Water absorption rate | |||
| Equilibrium, 23 ℃, 50% RH | 0.20 | % | ISO 62 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179/1eA | ||
| -30℃ | 5.0 | kJ/m² | ISO 179/1eA |
| 23℃ | 14 | kJ/m² | ISO 179/1eA |
| Charpy Unnotch Impact strength | ISO 179/1eU | ||
| -30℃ | 50 | kJ/m² | ISO 179/1eU |
| 23℃ | 60 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | |||
| 23℃ | 13 | kJ/m² | ISO 180-1A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 76.7 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 92.0 | ℃ | ISO 75-2/A |
| 0.45 MPa, annealed | 193 | ℃ | ASTM D648 |
| 0.45 MPa, unannealed | 200 | ℃ | ISO 75-2/B |
| Glass transition temperature | 60.0 | ℃ | ISO 11357-2 |
| Vicat Softening Temp | |||
| B50 | 170 | ℃ | ISO 306 |
| Melting peak temperature | 225 | ℃ | ASTM D3418 |
| Melting temperature | 225 | ℃ | ISO 11357-3 |
| Linear coefficient of thermal expansion | |||
| TD | 1.4E-4 | 1/℃ | ISO 11359-2 |
| MD | 4.0E-5 | 1/℃ | ISO 11359-2 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | > 1.0E+14 | ohms | IEC 60093 |
| Volume resistivity | 1.0E+15 | ohms·cm | ASTM D257 |
| Volume resistivity | > 1.0E+14 | ohms·cm | IEC 60093 |
| Dielectric strength | 26 | kV/mm | IEC 60243-1 |
| Dielectric constant | |||
| 1 kHz | 3.60 | ASTM D150 | |
| Relative permittivity | IEC 60250 | ||
| 100 Hz | 4.30 | IEC 60250 | |
| 1 MHz | 3.80 | IEC 60250 | |
| Dissipation factor | IEC 60250 | ||
| 1 kHz | 4.0E-3 | ASTM D150 | |
| 100 Hz | 6.0E-3 | IEC 60250 | |
| 1 MHz | 0.029 | IEC 60250 | |
| Arc resistance | 130 | sec | ASTM D495 |
| Compared to the leakage tracing index | 425 | V | IEC 60112 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 0.90 mm | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2800 | MPa | ISO 527-2/1A/1 |
| tensile strength | |||
| fracture | 45.0 | MPa | ISO 527-2/1A/5 |
| Yield, 23 ℃ | 49.6 | MPa | ASTM D638 |
| yield | 50.0 | MPa | ISO 527-2/1A/50 |
| Tensile strain | |||
| Fracture, 23 ℃ | 8.0 | % | ASTM D638 |
| yield | 4.0 | % | ISO 527-2/1A/50 |
| Nominal tensile fracture strain | 6.0 | % | ISO 527-2/1A/50 |
| Bending modulus | |||
| 23℃ | 2700 | MPa | ISO 178 |
| bending strength | |||
| 23℃ | 75.0 | MPa | ISO 178 |
| Rockwell hardness | |||
| M-level | 111 | ISO 2039-2 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 120 to 130 | °C | |
| Drying time | 4.0 | hr | |
| Recommended maximum moisture content | 0.020 | % | |
| Proposed maximum recycled material ratio | 25 | % | |
| Hopper temperature | 20 to 50 | °C | |
| Barrel rear temperature | 230 to 240 | °C | |
| Barrel middle temperature | 235 to 250 | °C | |
| Barrel front temperature | 235 to 250 | °C | |
| Nozzle temperature | 240 to 260 | °C | |
| Processing (melt) temperature | 235 to 260 | °C | |
| Mold temperature | 65 to 96 | °C | |
| Injection speed | Moderate-Fast | ||
| Back pressure | 0.00 to 0.345 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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