PA6.6/6 – Polyamide 6.6/6 PA66 + PA6 GF25 FR(40)
AKROMID® C3 GF 25 1 FR black (7246)
AKROMID® C3 GF 25 1 FR black (7246) is an UL-listed, 25% glass fibre reinforced, heat stabilized and halogenfree flame retardant polyamide 6.6/6 - Blend coloured black
Typical applications
Components in mechanical engineering and the automotive industry where good flowability is required.
Regulatory
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.
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Drying time | 2 - 4 h |
| Drying temperature (τ ≤ -30°C) | 80°C | |
| Processing moisture | 0,02 - 0,08% | |
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Feed section | 60 - 80°C |
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Temperature zone 1 - Zone 4 | 260 - 290°C |
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Nozzle temperature | 260 - 300°C |
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Melt temperature | 280 - 290°C |
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Mold temperature | 60 - 100°C |
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Holding pressure, spec. | 300 - 800 bar |
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Back pressure, spec. | 30 - 100 bar |
| Injection speed | medium | |
| Screw speed | 5 - 10 m/min | |
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Mechanical Properties
Tensile modulus (1 mm/min | ISO 527-2) d.a.m. 9300 MPa conditioned 6300 MPa
Stress at break (5 mm/min | ISO 527-2) d.a.m. 140 MPa conditioned 95 MPa
Strain at break (5 mm/min | ISO 527-2) d.a.m. 3,3 % conditioned 5,5 %
Flexural modulus (2 mm/min | ISO 178) d.a.m. 8800 MPa conditioned 6000 MPa
Flexural strength (2 mm/min | ISO 178) d.a.m. 225 MPa conditioned 160 MPa
Flexural strain at break (2 mm/min | ISO 178) d.a.m. 3,5 % conditioned 5 %
Charpy impact strength (23°C | ISO 179-1/1eU) d.a.m. 67 kJ/m² conditioned 75 kJ/m²
Charpy notched impact strength (23°C | ISO 179-1/1eA) d.a.m. 11 kJ/m² conditioned 15 kJ/m²
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Thermal Properties
Temperature of deflection under load HDT/A (1,8 MPa | ISO 75) 225 °C
Temperature of deflection under load HDT/B (0,45 MPa | ISO 75) 251 °C
Temperature of deflection under load HDT/C (8 MPa | ISO 75) 168 °C
Melt temperature (DSC, 10K/min | DIN EN 11357-1) 260 °C
Ball pressure test (IEC 60695-10-2) >210 °C
Temperature index for 50% loss of tensile strength after 5.000h (5.000 h | IEC 60216) 155 °C
Temperature index for 50% loss of tensile strength after 20.000h (20.000 Std. | IEC 60216) 130 °C
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Flammability
Burning rate (UL 94) 0,4mm Wall thickness V-0 Class 0,8mm Wall thickness V-0 Class 1,6mm Wall thickness V-0 Class 3,2mm Wall thickness V-0 Class
Burning rate 5V (UL 94) 1,6mm Wall thickness 5VA Class 3,2mm Wall thickness 5VA 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 750 °C 0,8mm Wall thickness 750 °C 1,6mm Wall thickness 750 °C 3,2mm Wall thickness 750 °C
HWI (UL 746A) 0,4mm Wall thickness 0 PLC 0,8mm Wall thickness 0 PLC 1,6mm Wall thickness 0 PLC 3,2mm Wall thickness 0 PLC
HAI (UL 746A) 0,4mm Wall thickness 0 PLC 0,8mm Wall thickness 0 PLC 1,6mm Wall thickness 0 PLC 3,2mm Wall thickness 0 PLC
Burning rate (<100 mm/min) (> 1 mm Thickness | FMVSS 302) +
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General properties
Density (23°C | ISO 1183) 1,37 g/cm³
Humidity absorption (70°C, 62% r.H. | ISO 1110) 1,8-2,0 %
Molding shrinkage (flow | ISO 294-4) 0,1-0,3 %
Molding shrinkage (transverse | ISO 294-4) 0,5-0,7 %
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Electrical Properties
Comparative tracking index (Test liquid A | IEC 60112) >600 V
Dieletric strength (3 mm | IEC 60243) 12 kV/mm
Inclined-Plane Tracking, IPT (ASTM D2303-13) 1 kV
High voltage tracking rate, HVTR (UL 746A) 0 PLC
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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