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Preliminary datasheet

PA6.6/6 – Polyamide 6.6/6 PA66 + PA6 GF25 FR(40)

AKROMID® C3 GF 25 1 FR black (7246)

8900 MPa

140 MPa

67 kJ/m²

AKROMID® C3 GF 25 1 FR black (7246) is an UL-listed, 25% glass fibre reinforced, heat stabilized and halogenfree flame retardant polyamide 6.6/6 - Blend coloured black

Typical applications

Components in mechanical engineering and the automotive industry where good flowability is required.

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.

6Drying time2 - 4 h
Drying temperature80°C
Processing moisture0,02 - 0,08%
1Feed section60 - 80°C
2Temperature zone 1 - Zone 4260 - 290°C
3Nozzle temperature260 - 300°C
4Melting temperature280 - 290°C
5Mold temperature60 - 100°C
P NachHolding pressure, spec.300 - 800 bar
P StauBack pressure, spec.30 - 100 bar
Injection speedmedium
Screw speed5 - 10 m/min
  • Mechanical Properties
    Tensile modulus (1 mm/min | ISO 527-2)
    d.a.m.8900 MPa
    conditioned5600 MPa
    Stress at break (5 mm/min | ISO 527-2)
    d.a.m.140 MPa
    conditioned90 MPa
    Flexural modulus (2 mm/min | ISO 178)
    d.a.m.8800 MPa
    conditioned6000 MPa
    Flexural strength (2 mm/min | ISO 178)
    d.a.m.225 MPa
    conditioned160 MPa
    Flexural strain at break (2 mm/min | ISO 178)
    d.a.m.3,5 %
    conditioned5 %
    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m.67 kJ/m²
    conditioned75 kJ/m²
    Charpy notched impact strength (23°C | ISO 179-1/1eA)
    d.a.m.11 kJ/m²
    conditioned15 kJ/m²
  • Thermal Properties
    Temperature of deflection under load HDT/A (1,8 MPa | ISO 75)225 °C
    Temperature of deflection under load HDT/B (0,45 MPa | ISO 75)251 °C
    Temperature of deflection under load HDT/C (8 MPa | ISO 75)168 °C
    Temperature index for 50% loss of tensile strength after 5.000h (5.000 h | IEC 60216)155 °C
    Temperature index for 50% loss of tensile strength after 20.000h (20.000 Std. | IEC 60216)130 °C
  • Flammability
    Burning rate UL 94 0,4mm Wall thickness (UL 94)V0 Class
    Burning rate UL 94 0,8mm Wall thickness (UL 94)V0 Class
    Burning rate UL 94 1,6mm Wall thickness (UL 94)V0 Class
    Burning rate UL 94 3,2mm Wall thickness (UL 94)V0 Class
    GWFI 0,4 mm Wall thickness (IEC 60695-2-12)960 °C
    GWFI 0,8 mm Wall thickness (IEC 60695-2-12)960 °C
    GWFI 1,6 mm Wall thickness (IEC 60695-2-12)960 °C
    GWFI 3,2 mm Wall thickness (IEC 60695-2-12)960 °C
    GWIT 0,4 mm Wall thickness (IEC 60695-2-12)775 °C
    GWIT 0,8 mm Wall thickness (IEC 60695-2-12)750 °C
    GWIT 1,6 mm Wall thickness (IEC 60695-2-12)750 °C
    GWIT 3,2 mm Wall thickness (IEC 60695-2-12)775 °C
  • General properties
    Density (23°C | ISO 1183)1,37 g/cm³
    Humidity absorption (70°C, 62% r.F. | ISO 1110)1,8-2,0 %
    Molding shrinkage (flow | ISO 294-4)0,1-0,3 %
    Molding shrinkage (transverse | ISO 294-4)0,5-0,7 %
  • Electrical Properties
    Comparative tracking index (Test liquid A | IEC 60112)>600
    Dieletric strength (3 mm | IEC 60243)12 kV/mm
    Inclined-Plane Tracking, IPT (ASTM D2303-13)1 kV/min

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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