| About |
|---|
| Ultramid A3L BK7793 is an impact modified, heat stabilized polyamide 66 for injection molding. This grade has excellent surface appearance and was designed to offer exceptional scratch and mar resistance. Applications Ultramid A3L BK7793 can be used in automotive interior applications such as instrument panel bezels and door bezels.&& |
| Product Description | |
|---|---|
| Supplier | BASF |
| Generic | PA66 |
| Material Status | Commercial: Active |
| Features | Good surface appearance,High impact resistance,Grease resistance,High scratch resistance,Heat Stabilized |
| Availabilitys | North America,Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.22 | g/cm³ | ISO 1183 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | |||
| 23℃ | 2500 | MPa | ISO 527-2 |
| tensile strength | |||
| Yield, 23 ℃ | 63.0 | MPa | ISO 527-2 |
| Tensile strain | |||
| Yield, 23 ℃ | 3.7 | % | ISO 527-2 |
| Nominal tensile fracture strain | |||
| 23℃ | 5.2 | % | ISO 527-2 |
| Bending modulus | |||
| 23℃ | 2400 | MPa | ISO 178 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | ISO 179 | ||
| -30℃ | 7.0 | kJ/m² | ISO 179 |
| 23℃ | 12 | kJ/m² | ISO 179 |
| Impact strength of cantilever beam notch | ISO 180 | ||
| -40℃ | 9.0 | kJ/m² | ISO 180 |
| 23℃ | 12 | kJ/m² | ISO 180 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 65.0 | ℃ | ISO 75-2/A |
| Melting temperature | |||
| DSC | 257 | ℃ | ISO 3146 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 60 | °C | |
| Drying time | 1.0 to 2.0 | hr | |
| Recommended maximum moisture content | < 0.080 | % | |
| Processing (melt) temperature | 263 | °C | |
| Mold temperature | 60 to 100 | °C | |
| Injection pressure | 34.5 to 124 | MPa | |
| Injection speed | Fast | ||
| Back pressure | 0.00 to 0.350 | MPa | |
| Screw speed | 40 to 80 | rpm | |
| Screw compression ratio | 3.0:1.0 to 4.0:1.0 | ||
| Notes |
|---|
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