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Preliminary datasheet

PA6.6 – Polyamide 6.6 PA66 GF50

AKROMID® A28 GF 50 9 EN MCL black (6429)

AKROMID® A28 GF 50 9 EN MCL black (6429) is a 50% glass fibre reinforced, process improved, foam injection moulding improved, electrical neutral, easy flowing polyamide 6.6 with very high rigidity and strength.

Typical applications

Components in mechanical engineering and housings for electronic parts in the automotive industry. AKROMID® A28 GF 50 9 EN MCL black (6429) is suitable for structural foam moulding.

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

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

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

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

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

    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m.95 kJ/m²

    Charpy impact strength (-30°C | ISO 179-1/1eU)
    d.a.m.95 kJ/m²

    Charpy notched impact strength (23°C | ISO 179-1/1eA)
    d.a.m.17 kJ/m²

    Charpy notched impact strength (-30°C | ISO 179-1/1eA)
    d.a.m.14 kJ/m²

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

  • Thermal Properties
    Melting temperature (DSC, 10K/min | DIN EN 11357-1)262 °C

  • Flammability
    Burning rate UL 94 0,8mm Wall thickness (UL 94)HB Class

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

  • Electrical Properties
    Surface resistivity (acc. to IEC 60093)
    d.a.m.1,0E+12 Ohm

    Dieletric strength (3 mm | IEC 60243)600 kV/mm

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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