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PA6.6 – Polyamide 6.6 PA66 GK 30 FR

AKROMID® A3 K22 FR black (5598)

5000 MPa

55 MPa

18 kJ/m²

AKROMID® A3 K22 FR black (5598) is a 30% glass bead filled, halogenfree flame retardant polyamide 6.6 with low warpage, good surface quality and reduced blooming.

Typical applications

Parts in the electric 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.


6 Drying time 2 - 4 h

Drying temperature (τ ≤ -30°C) 80°C

Processing moisture 0,02 - 0,08%

1 Feed section 60 - 80°C

2 Temperature zone 1 - Zone 4 260 - 290°C

3 Nozzle temperature 260 - 300°C

4 Melt temperature 270 - 290°C

5 Mold temperature 60 - 100°C

P Nach Holding pressure, spec. 300 - 800 bar

P Stau Back pressure, spec. 30 - 100 bar

Injection speed medium

Screw speed 5 - 10 m/min

  • Mechanical Properties
    Tensile modulus (1 mm/min | ISO 527-2)
    d.a.m. 5000 MPa
    conditioned 2400 MPa

    Stress at break (5 mm/min | ISO 527-2)
    d.a.m. 55 MPa
    conditioned 36 MPa

    Strain at break (5 mm/min | ISO 527-2)
    d.a.m. 2,5 %
    conditioned >10 %

    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m. 18 kJ/m²
    conditioned 32 kJ/m²

  • Thermal Properties
    Melting temperature (DSC, 10K/min | DIN EN ISO 11357-3) 262 °C

  • Flammability
    Burning rate (UL 94)
    0,4mm Wall thickness V-2 Class
    0,8mm Wall thickness V-0 Class
    1,6mm Wall thickness V-0 Class
    3,2mm Wall thickness V-0 Class

    GWFI (IEC 60695-2-12)
    0,4mm Wall thickness 960 °C
    0,8mm Wall thickness 960 °C
    1,6mm Wall thickness 960 °C
    3,2mm Wall thickness 960 °C

    GWIT (IEC 60695-2-13)
    0,4mm Wall thickness 725 °C
    0,8mm Wall thickness 700 °C
    1,6mm Wall thickness 700 °C
    3,2mm Wall thickness 700 °C

  • General properties
    Density (23°C | ISO 1183) 1,4 g/cm³

    Molding shrinkage (flow | ISO 294-4) 0,6-0,8 %

    Molding shrinkage (transverse | ISO 294-4) 0,7-0,9 %

  • Electrical Properties
    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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