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PA6.6 – Polyamide 6.6 PA66 GF 45

AKROMID® A3 GF 45 HU black (7187)

14500 MPa

235 MPa

AKROMID® A3 GF 45 HU black (7187) is a 35% glass fibre reinforced, heat

stabilised polyamide 6.6 with high rigidity and strength, listed at UL in all colors.

Typical applications

Components in mechanical engineering and in the

automotive industry

Regulatory

UL

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 0 - 4 h

Drying temperature (τ ≤ -30°C) 80°C

Processing moisture 0,02 - 0,1%

1 Feed section 60 - 80°C

2 Temperature zone 1 - Zone 4 260 - 300°C

3 Nozzle temperature 270 - 310°C

4 Melt temperature 280 - 300°C

5 Mold temperature 80 - 100°C

P Nach Holding pressure, spec. 300 - 800 bar

P Stau Back pressure, spec. 50 - 150 bar

Injection speed medium to high

Screw speed 8 - 15 m/min

  • Mechanical Properties
    Tensile modulus (1 mm/min | ISO 527-2)
    d.a.m. 14500 MPa
    conditioned 10900 MPa

    Stress at break (5 mm/min | ISO 527-2)
    d.a.m. 235 MPa
    conditioned 170 MPa

    Strain at break (5 mm/min | ISO 527-2)
    d.a.m. 2,7 %
    conditioned 3,7 %

  • Thermal Properties
    RTI electrical 0,8mm Wall thickness (UL 746B) 130 °C

    RTI electrical 1,6mm Wall thickness (UL 746B) 130 °C

    RTI electrical 3,2mm Wall thickness (UL 746B) 130 °C

    RTI impact 0,8mm Wall thickness (UL 746B) 120 °C

    RTI impact 1,6mm Wall thickness (UL 746B) 120 °C

    RTI impact 3,2mm Wall thickness (UL 746B) 120 °C

    RTI strength 0,8mm Wall thickness (UL 746B) 130 °C

    RTI strength 1,6mm Wall thickness (UL 746B) 130 °C

    RTI strength 3,2mm Wall thickness (UL 746B) 130 °C

    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

    Melt temperature (DSC, 10K/min | DIN EN 11357-1) 262 °C

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

    HWI (UL 746A)
    0,4mm Wall thickness 4 PLC
    0,8mm Wall thickness 4 PLC
    1,6mm Wall thickness 4 PLC
    3,2mm Wall thickness 4 PLC

    HAI (UL 746A)
    0,4mm Wall thickness 0 PLC
    0,8mm Wall thickness 0 PLC
    1,6mm Wall thickness 0 PLC
    3,2mm Wall thickness 0 PLC

  • General properties
    Density (23°C | ISO 1183) 1,52 g/cm³

    Humidity absorption (70°C, 62% r.H. | ISO 1110) 1,5-1,7 %

  • Electrical Properties
    Comparative tracking index (Test liquid A | IEC 60112) >600 V

    Dieletric strength (3 mm | IEC 60243) 12 kV/mm

    High voltage tracking rate, HVTR (UL 746A) 1 PLC

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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