PA6.6 – Polyamide 6.6 PA66 GK 30 FR
AKROMID® A3 K22 FR black (5598)
AKROMID® A3 K22 FR black (5598) is a 30% glass bead filled, halogenfree flame retardant polyamide 6.6 with low warpage, good surface quality and reduced blooming.
Parts in the electric industry
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.
|Drying time||2 - 4 h|
|Drying temperature (τ ≤ -30°C)||80°C|
|Processing moisture||0,02 - 0,08%|
|Feed section||60 - 80°C|
|Temperature zone 1 - Zone 4||260 - 290°C|
|Nozzle temperature||260 - 300°C|
|Melt temperature||270 - 290°C|
|Mold temperature||60 - 100°C|
|Holding pressure, spec.||300 - 800 bar|
|Back pressure, spec.||30 - 100 bar|
|Screw speed||5 - 10 m/min|
Tensile modulus (1 mm/min | ISO 527-2) d.a.m. 5000 MPa conditioned 2400 MPa
Stress at break (5 mm/min | ISO 527-2) d.a.m. 55 MPa conditioned 36 MPa
Strain at break (5 mm/min | ISO 527-2) d.a.m. 2,5 % conditioned >10 %
Charpy impact strength (23°C | ISO 179-1/1eU) d.a.m. 18 kJ/m² conditioned 32 kJ/m²
Melting temperature (DSC, 10K/min | DIN EN ISO 11357-3) 262 °C
Burning rate (UL 94) 0,4mm Wall thickness V-2 Class 0,8mm Wall thickness V-0 Class 1,6mm Wall thickness V-0 Class 3,2mm Wall thickness V-0 Class
GWFI (IEC 60695-2-12) 0,4mm Wall thickness 960 °C 0,8mm Wall thickness 960 °C 1,6mm Wall thickness 960 °C 3,2mm Wall thickness 960 °C
GWIT (IEC 60695-2-13) 0,4mm Wall thickness 725 °C 0,8mm Wall thickness 700 °C 1,6mm Wall thickness 700 °C 3,2mm Wall thickness 700 °C
Density (23°C | ISO 1183) 1,4 g/cm³
Molding shrinkage (flow | ISO 294-4) 0,6-0,8 %
Molding shrinkage (transverse | ISO 294-4) 0,7-0,9 %
Comparative tracking index (Test liquid A | IEC 60112) 600 V
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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