PA6 – Polyamide 6 PA6 GF20 FR(30)
AKROMID® B3 K8 9 FR black (3942)
AKROMID® B3 K8 9 FR black (3942) is a 20% glassfibre reinforced, halogene free flameretardant polyamide 6 with flammability acc UL 94 V2.
Housings for Electro/Electronic 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||220 - 280°C|
|Nozzle temperature||240 - 280°C|
|Melting temperature||240 - 280°C|
|Mold temperature||60 - 100°C|
|Holding pressure, spec.||300 - 800 bar|
|Back pressure, spec.||30 - 100 bar|
|Screw speed||5 - 10 m/min|
- Mechanical Properties
Tensile modulus (1 mm/min | ISO 527-2) d.a.m. 6000 MPa conditioned 3000 MPa Stress at break (5 mm/min | ISO 527-2) d.a.m. 100 MPa conditioned 55 MPa Strain at break (5 mm/min | ISO 527-2) d.a.m. 4 % conditioned >10 % Charpy impact strength (23°C | ISO 179-1/1eU) d.a.m. 60 kJ/m² Charpy notched impact strength (23°C | ISO 179-1/1eA) d.a.m. 6 kJ/m²
- Thermal Properties
Melting temperature (DSC, 10K/min | DIN EN 11357-1) 222 °C
Burning rate (UL 94) 0,4mm Wall thickness V2 Class 0,8mm Wall thickness V2 Class 1,6mm Wall thickness V2 Class 3,2mm Wall thickness V2 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
- General properties
Density (23°C | ISO 1183) 1,30 g/cm³ Molding shrinkage (flow | ISO 294-4) 0,5-0,7 % Molding shrinkage (transverse | ISO 294-4) 0,7-0,9 %
- Electrical Properties
Comparative tracking index (Test liquid A | IEC 60112) 550 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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