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PA6.6 – Polyamide 6.6 PA66 GF30

AKROMID® A3 GF 30 1 nature (2391)

10000 MPa

200 MPa

85 kJ/m²

AKROMID® A3 GF 30 1 natural (2391) is a 30% glass fibre reinforced, heat stabilised polyamide 6.6 with high rigidity and strength and light inherent color

Typical applications

Components in mechanical engineering and in the automotive industry



Processing information

The listed values are recommendations. Higher values should be used for higher glass loadings. We recommend only de-humidifying or vacuum dryers. Extensive drying can cause filling problems and surface defects.

6Drying time0 - 4 h
Drying temperature80°C
Processing moisture0,02 - 0,1%
1Feed section60 - 80°C
2Temperature zone 1 - Zone 4260 - 300°C
3Nozzle temperature270 - 310°C
4Melting temperature280 - 300°C
5Mold temperature80 - 100°C
P NachHolding pressure, spec.300 - 800 bar
P StauBack pressure, spec.50 - 150 bar
Injection speedmedium to high
Screw speed8 - 15 m/min
  • Mechanical Properties
    Tensile modulus (1 mm/min | ISO 527-2)
    d.a.m.10000 MPa
    conditioned7100 MPa
    Stress at break (5 mm/min | ISO 527-2)
    d.a.m.200 MPa
    conditioned130 MPa
    Flexural modulus (2 mm/min | ISO 178)
    d.a.m.8800 MPa
    conditioned7200 MPa
    Flexural strength (2 mm/min | ISO 178)
    d.a.m.285 MPa
    conditioned220 MPa
    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m.85 kJ/m²
    conditioned95 kJ/m²
    Charpy impact strength (-30°C | ISO 179-1/1eU)
    d.a.m.80 kJ/m²
    Charpy notched impact strength (23°C | ISO 179-1/1eA)
    d.a.m.12 kJ/m²
    conditioned16 kJ/m²
    Charpy notched impact strength (-30°C | ISO 179-1/1eA)
    d.a.m.11 kJ/m²
    Ball indentation hardness (961N/30s | ISO 2039-1)
    d.a.m.240 MPa
  • Thermal Properties
    Temperature of deflection under load HDT/A (1,8 MPa | ISO 75)255 °C
    Temperature of deflection under load HDT/B (0,45 MPa | ISO 75)260 °C
    Temperature of deflection under load HDT/C (8 MPa | ISO 75)210 °C
    Melting temperature (DSC, 10K/min | DIN EN 11357-1)262 °C
    Coefficent of linear thermal expansion, parallel (23°C bis 80°C | ISO 11359-1/2)0,19 1,0E-4/K
    Coefficent of linear thermal expansion, transverse (23°C bis 80°C | ISO 11359-1/2)0,95 1,0E-4/K
    Temperature index for 50% loss of tensile strength after 5.000h (5.000 h | IEC 60216)160 - 175 °C
    Temperature index for 50% loss of tensile strength after 20.000h (20.000 Std. | IEC 60216)130 - 150 °C
  • Flammability
    Burning rate UL 94 0,8mm Wall thickness (UL 94)HB Class
    GWFI 1,6 mm Wall thickness (IEC 60695-2-12)650 °C
  • General properties
    Density (23°C | ISO 1183)1,36 g/cm³
    Humidity absorption (70°C, 62% r.F. | ISO 1110)1,9 - 2,1 %
    Water absorption 23°C saturated (23°C, saturated | ISO 62)5,2 -5,8 %
    Molding shrinkage (flow | ISO 294-4)0,1 - 0,3 %
    Molding shrinkage (transverse | ISO 294-4)0,7 - 0,9 %
  • Electrical Properties
    Volume resistivity (IEC 60093)
    d.a.m.1,0E+13 Ohm x cm
    conditioned1,0E+10 Ohm x cm
    Surface resistivity (acc. to IEC 60093)
    d.a.m.1,0E+12 Ohm
    conditioned1,0E+10 Ohm
    Comparative tracking index (Test liquid A | IEC 60112)600
  • Rheological Properties
    Flowability (2mm Thickness | AKRO)420 mm


All specifications and information given on this website are based on our current knowledge and experience. A legally binding promise of certain characteristics or suitability for a concrete individual case cannot be derived from this information. The information supplied here is not intended to release processors and users from the responsibility of carrying out their own tests and inspections in each concrete individual case. AKRO®, AKROMID®, AKROLEN®, AKROLOY®, AKROTEK® and ICX® are registered trademarks of the Feddersen Group.

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