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Preliminary datasheet

PA6.6 – Polyamide 6.6 PA66 GF50

AKROMID® A3 GF 50 1 EN black (5737)

16700 MPa

250 MPa

105 kJ/m²

AKROMID® A3 GF 50 1 EN black (5737) is a 50% glass fibre reinforced, heat stabilised, electrical neutral polyamide 6.6 with very high rigidity and strength

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 temperature (τ ≤ -30°C)80°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.16700 MPa
    conditioned12600 MPa

    Stress at break (5 mm/min | ISO 527-2)
    d.a.m.250 MPa
    conditioned180 MPa

    Strain at break (5 mm/min | ISO 527-2)
    d.a.m.2,5 %
    conditioned3,5 %

    Flexural modulus (2 mm/min | ISO 178)
    d.a.m.15200 MPa
    conditioned13600 MPa

    Flexural strength (2 mm/min | ISO 178)
    d.a.m.380 MPa
    conditioned310 MPa

    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m.105 kJ/m²
    conditioned110 kJ/m²

    Charpy impact strength (-30°C | ISO 179-1/1eU)
    d.a.m.105 kJ/m²

    Charpy notched impact strength (23°C | ISO 179-1/1eA)
    d.a.m.19 kJ/m²
    conditioned23 kJ/m²

    Charpy notched impact strength (-30°C | ISO 179-1/1eA)
    d.a.m.16 kJ/m²

    Ball indentation hardness (961N/30s | ISO 2039-1)
    d.a.m.290 MPa

  • Thermal Properties
    Temperature of deflection under load HDT/A (1,8 MPa | ISO 75)260 °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)235 °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)0,17 1,0E-4/K

    Coefficent of linear thermal expansion, transverse (23°C bis 80°C | ISO 11359-1/2)0,88 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)
    1,6mm Wall thicknessHB Class

    GWFI (IEC 60695-2-12)
    1,6mm Wall thickness650 °C

  • General properties
    Density (23°C | ISO 1183)1,57 g/cm³

    Humidity absorption (70°C, 62% r.F. | ISO 1110)1,3 - 1,5 %

    Water absorption 23°C saturated (23°C, saturated | ISO 62)3,7 - 4,3 %

    Molding shrinkage (flow | ISO 294-4)0,3 %

    Molding shrinkage (transverse | ISO 294-4)1,2 %

  • 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 V

Disclaimer

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®, ICX® and PRECITE® are registered trademarks of the Feddersen Group.

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