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PA6.6 – Polyamide 6.6 PA66 GB30

AKROMID® A3 GK 30 nature (3689)

AKROMID® A3 GK 30 natural (3689) is a 30% glass bead filled polyamide 6.6 with low warpage and high surface appearance and light inherent color

Typical applications

Highly integrated housings in the appliance 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.5000 MPa
    Stress at break (5 mm/min | ISO 527-2)
    d.a.m.90 MPa
    Flexural modulus (2 mm/min | ISO 178)
    d.a.m.4300 MPa
    Flexural strength (2 mm/min | ISO 178)
    d.a.m.140 MPa
    Flexural strain at break (2 mm/min | ISO 178)
    d.a.m.6,5 %
    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m.28 kJ/m²
    Charpy impact strength (-30°C | ISO 179-1/1eU)
    d.a.m.22 kJ/m²
    Charpy notched impact strength (23°C | ISO 179-1/1eA)
    d.a.m.4 kJ/m²
    Charpy notched impact strength (-30°C | ISO 179-1/1eA)
    d.a.m.3 kJ/m²
  • Thermal Properties
    Temperature of deflection under load HDT/A (1,8 MPa | ISO 75)100 °C
    Temperature of deflection under load HDT/B (0,45 MPa | ISO 75)225 °C
    Melting temperature (DSC, 10K/min | DIN EN 11357-1)262 °C
  • Flammability
    Burning rate UL 94 1,6mm 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)1,35 g/cm³
    Humidity absorption (70°C, 62% r.F. | ISO 1110)2,0 %
    Molding shrinkage (flow | ISO 294-4)1,1-1,3 %
    Molding shrinkage (transverse | ISO 294-4)1,3-1,4 %
  • Electrical Properties
    Surface resistivity (acc. to IEC 60093)
    d.a.m.1,0E+13 Ohm
    Comparative tracking index (Test liquid A | IEC 60112)500

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

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