AT Polymer

Ultramid A3L

PA66BASF

Ultramid® 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

PropertyTest MethodUnitDryCond.
properties
Polymer abbreviation--PA66-I
DensityISO 1183kg/m³1110
Water absorption, saturation in water at 23°Csimilar to ISO 62%7 - 8
Moisture absorption, equilibrium 23°C/50% r.h.similar to ISO 62%2.3 - 2.8
processing
Melting temperature, DSCISO 11357-1/-3°C260
MVR 275 °C/5 kgISO 1133cm³/10min80
Melt temperature, injection moulding/extrusion-°C280 - 300
Mould temperature, injection moulding-°C60 - 80
mechanical
Tensile modulusISO 527-1/-2MPa27001000
Yield stress, 50 mm/minISO 527-1/-2MPa7040
Yield strain, 50 mm/minISO 527-1/-2%412
Flexural modulusISO 178MPa2400-
Charpy unnotched impact strength (23°C)ISO 179/1eUkJ/m²NN
Charpy notched impact strength (23°C)ISO 179/1eAkJ/m²12-
thermal
Deflection temp. under load 1.8 MPa (HDT A)ISO 75-1/-2°C60
Deflection temp. under load 0.45 MPa (HDT B)ISO 75-1/-2°C180
Max. service temperature (short cycle operation)-°C200
Temperature index at 50% loss of tensile strength after 5000 hIEC 60216°C85
Temperature index at 50% loss of tensile strength after 20000 hIEC 60216°C70
Coefficient of linear thermal expansion, longitudinal (23-55)°CISO 11359-1/-2E-6/K70 - 100
Thermal conductivityDIN 52612-1W/(m K)0.33
Specific heat capacity-J/(kg*K)1700
electrical
Volume resistivityIEC 62631-3-1Ohm*m1E13-
Comparative tracking index, CTI, test liquid AIEC 60112--

Technical Documents

Related Grades (PA66)

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