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PPA – Polyphthalamide PPA GF35

AKROMID® T5 GF 35 4 black (7692)

AKROMID® T5 GF 35 4 black (7692) is a 35% glass fibre reinforced polyphthalamide with inorganic heat stabilization, very high rigidity and strength, designed for hydrolysis resistance.

This aromatic PPA keeps mechanical performance even at elevated temperatures or moisture pic-up

Properties

Tensile Modulus
Tensile Strength
Impact Strength

Features

hydrolysis/ chemically stabilised
  • Mechanical Properties

    Tensile modulus (1 mm/min | ISO 527-2) d.a.m. 13500 MPa
    conditioned 13000 MPa

    Stress at break (5 mm/min | ISO 527-2) d.a.m. 220 MPa
    conditioned 215 MPa

    Strain at break (5 mm/min | ISO 527-2) d.a.m. 2,4 %
    conditioned 2,3 %

    Charpy impact strength (23°C | ISO 179-1/1eU) d.a.m. 70 kJ/m²

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

  • Thermal Properties

    Temperature of deflection under load HDT/A (1,8 MPa | ISO 75) 280 °C

    Glass transition temperature (DSC, 2nd heating | DIN EN ISO 11357-2) 135 °C

    Melting temperature (DSC, 10K/min | DIN EN ISO 11357-3) 325 °C

  • Flammability

    Burning rate (UL 94)
    1,6mm Wall thickness HB Class

  • General properties

    Density (23°C | ISO 1183) 1,45 g/cm³

    Humidity absorption (70°C, 62% r.H. | ISO 1110) 0,8 %

    Molding shrinkage (flow | ISO 294-4) 0,15 - 0,35 %

    Molding shrinkage (transverse | ISO 294-4) 0,55 - 0,75 %

  • Electrical Properties

    Surface resistivity (DIN EN 62631-3-2) d.a.m. 1,0E+12 Ω

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) 120°C

Processing moisture 0,02 - 0,1%

1 Feed section 60 - 90°C

2 Temperature zone 1 - Zone 4 320 - 350°C

3 Nozzle temperature 330 - 350°C

4 Melt temperature 330 - 350°C

5 Mold temperature 120 - 160°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

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.

Measuring Curves

AKROMID® T - High Temperature Nylons

 

More about AKROMID® T