Menu Career Languages: EN/DE/PT
Preliminary datasheet

PA6 – Polyamide 6 PA6 GF30 FR(40)

AKROMID® B3 GF 30 FR natural (7458)

10900 MPa

132 MPa

60 kJ/m²

AKROMID® B3 GF 30 FR natural (7458) is a 30% glass fibre reinforced, halogene free flame retardant polyamide 6 with flammability acc UL 94 V0 and low corrosion.

Typical applications

Housings for Electro/Electronic 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 time2 - 4 h

Drying temperature (τ ≤ -30°C)80°C

Processing moisture0,02 - 0,08%

1Feed section60 - 80°C

2Temperature zone 1 - Zone 4220 - 280°C

3Nozzle temperature240 - 280°C

4Melting temperature240 - 280°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.10900 MPa
    conditioned6500 MPa

    Stress at break (5 mm/min | ISO 527-2)
    d.a.m.132 MPa
    conditioned90 MPa

    Strain at break (5 mm/min | ISO 527-2)
    d.a.m.3 %
    conditioned6 %

    Flexural modulus (2 mm/min | ISO 178)
    d.a.m.10500 MPa
    conditioned7000 MPa

    Flexural strength (2 mm/min | ISO 178)
    d.a.m.225 MPa
    conditioned155 MPa

    Flexural strain at break (2 mm/min | ISO 178)
    d.a.m.3 %
    conditioned5 %

    Charpy impact strength (23°C | ISO 179-1/1eU)
    d.a.m.60 kJ/m²
    conditioned72 kJ/m²

    Charpy notched impact strength (23°C | ISO 179-1/1eA)
    d.a.m.11 kJ/m²
    conditioned15 kJ/m²

  • Thermal Properties
    Melting temperature (DSC, 10K/min | DIN EN 11357-1)225 °C

    Coefficent of linear thermal expansion, parallel (23°C bis 80°C | ISO 11359-1/2)0,17 1,0E-4/K

    Coefficent of linear thermal expansion, transverse (23°C bis 80°C | ISO 11359-1/2)0,97 1,0E-4/K

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

    Burning rate 5V (UL 94)
    1,6mm Wall thickness5VA Class
    3,2mm Wall thickness5VA 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 thickness800 °C
    0,8mm Wall thickness800 °C
    1,6mm Wall thickness800 °C
    3,2mm Wall thickness775 °C

    HWI (UL 746A)
    0,4mm Wall thickness0 PLC
    0,8mm Wall thickness0 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

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

  • General properties
    Density (23°C | ISO 1183)1,39 g/cm³

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

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

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

    Dieletric strength (3 mm | IEC 60243)9 kV/mm

    Inclined-Plane Tracking, IPT (ASTM D2303-13)1 kV

    High voltage tracking rate, HVTR (UL 746A)0 PLC


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.

You have questions about our products?

With a worldwide network of plastics distribution experts, we can provide you with support anywhere in the world. Talk to one of our specialists to find out more.