Ultramid A3L
PA66BASFUltramid® A3L is a high-performance, low-impact unreinforced PA66 grade. Suited for precision parts that require a balance of toughness and flow.
Specifications
Typical values for uncoloured product at 23°C
| Property | Test Method | Unit | Dry | Cond. |
|---|---|---|---|---|
| properties | ||||
| Polymer abbreviation | - | - | PA66-I | |
| Density | ISO 1183 | kg/m³ | 1110 | |
| Water absorption, saturation in water at 23°C | similar to ISO 62 | % | 7 - 8 | |
| Moisture absorption, equilibrium 23°C/50% r.h. | similar to ISO 62 | % | 2.3 - 2.8 | |
| processing | ||||
| Melting temperature, DSC | ISO 11357-1/-3 | °C | 260 | |
| MVR 275 °C/5 kg | ISO 1133 | cm³/10min | 80 | |
| Melt temperature, injection moulding/extrusion | - | °C | 280 - 300 | |
| Mould temperature, injection moulding | - | °C | 60 - 80 | |
| mechanical | ||||
| Tensile modulus | ISO 527-1/-2 | MPa | 2700 | 1000 |
| Yield stress, 50 mm/min | ISO 527-1/-2 | MPa | 70 | 40 |
| Yield strain, 50 mm/min | ISO 527-1/-2 | % | 4 | 12 |
| Flexural modulus | ISO 178 | MPa | 2400 | - |
| Charpy unnotched impact strength (23°C) | ISO 179/1eU | kJ/m² | N | N |
| Charpy notched impact strength (23°C) | ISO 179/1eA | kJ/m² | 12 | - |
| thermal | ||||
| Deflection temp. under load 1.8 MPa (HDT A) | ISO 75-1/-2 | °C | 60 | |
| Deflection temp. under load 0.45 MPa (HDT B) | ISO 75-1/-2 | °C | 180 | |
| Max. service temperature (short cycle operation) | - | °C | 200 | |
| Temperature index at 50% loss of tensile strength after 5000 h | IEC 60216 | °C | 85 | |
| Temperature index at 50% loss of tensile strength after 20000 h | IEC 60216 | °C | 70 | |
| Coefficient of linear thermal expansion, longitudinal (23-55)°C | ISO 11359-1/-2 | E-6/K | 70 - 100 | |
| Thermal conductivity | DIN 52612-1 | W/(m K) | 0.33 | |
| Specific heat capacity | - | J/(kg*K) | 1700 | |
| electrical | ||||
| Volume resistivity | IEC 62631-3-1 | Ohm*m | 1E13 | - |
| Comparative tracking index, CTI, test liquid A | IEC 60112 | - | - | |
Technical Documents
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