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Preliminary datasheet

PA6 – Polyamide 6 PA6 FR

AKROMID® B3 1 FR natural (6437)

3500 MPa

85 kJ/m²

AKROMID® B3 1 FR natural (6437) is a nonreinforced, heat stabilized and halogen free flame retardant polyamide 6 listed at UL in all colors

Typical applications

Housings, fasteners and cable connectors in the electro- and electronic 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.


6Drying time2 - 4 h

Drying temperature (τ ≤ -30°C)80°C

Processing moisture0,02 - 0,08%

1Feed section60 - 80°C

2Temperature zone 1 - Zone 4220 - 260°C

3Nozzle temperature230 - 270°C

4Melting temperature240 - 270°C

5Mold temperature60 - 80°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.3500 MPa
    conditioned1400 MPa

    Stress at yield (50 mm/min | ISO 527-2)
    d.a.m.75 MPa
    conditioned40 MPa

    Strain at break (50 mm/min | ISO 527-2)
    d.a.m.>10 %
    conditioned>50 %

    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m.85 kJ/m²
    conditionedn.b.

    Charpy notched impact strength (23°C | ISO 179-1/1eA)
    d.a.m.5 kJ/m²
    conditioned11 kJ/m²

  • Thermal Properties
    Melting temperature (DSC, 10K/min | DIN EN 11357-1)220 °C

    Coefficent of linear thermal expansion, parallel (23°C bis 80°C | ISO 11359-1/2)0,78 1,0E-4/K

    Coefficent of linear thermal expansion, transverse (23°C bis 80°C | ISO 11359-1/2)0,78 1,0E-4/K

  • Flammability
    Burning rate (UL 94)
    0,4mm Wall thicknessV0 Class
    0,8mm Wall thicknessV0 Class
    1,6mm Wall thicknessV0 Class
    3,2mm Wall thicknessV0 Class

    GWFI (IEC 60695-2-12)
    0,4mm Wall thickness960 °C
    0,8mm Wall thickness960 °C
    1,6mm Wall thickness960 °C
    3,2mm Wall thickness960 °C

    GWIT (IEC 60695-2-13)
    0,4mm Wall thickness775 °C
    0,8mm Wall thickness750 °C
    1,6mm Wall thickness750 °C
    3,2mm Wall thickness775 °C

    HWI (UL 746A)
    0,4mm Wall thickness4 PLC
    0,8mm Wall thickness4 PLC
    1,6mm Wall thickness0 PLC
    3,2mm Wall thickness0 PLC

    HAI (UL 746A)
    0,4mm Wall thickness0 PLC
    0,8mm Wall thickness0 PLC
    1,6mm Wall thickness0 PLC
    3,2mm Wall thickness0 PLC

    Oxygen index (ISO 4589-2)>32 %

    Burning rate (<100 mm/min) (> 1 mm Thickness | FMVSS 302) +

    Protection Train (EN 45545-2)R22/R23/24/26 HL3

  • General properties
    Density (23°C | ISO 1183)1,17 g/cm³

    Molding shrinkage (flow | ISO 294-4)0,9-1,1 %

    Molding shrinkage (transverse | ISO 294-4)1,0-1,2 %

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

    Dieletric strength (3 mm | IEC 60243)10 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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