PA6.6 – Polyamide 6.6 PA66 + PP GF40
AKROMID® A3 GF 40 2 L black (7500)
AKROMID® A3 GF 40 2 L black (7500) is a 40% glass fibre reinforced and UV stabilised polyamide-blend with a reduced density compared to standard PA66 GF 40. The compound offers improved excellent surface quality.
Typical applications
Technical components in the automotive and electronic industry, where a weight reduction is required
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 | 0 - 4 h |
| Drying temperature (τ ≤ -30°C) | 80°C | |
| Processing moisture | 0,02 - 0,1% | |
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Feed section | 60 - 80°C |
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Temperature zone 1 - Zone 4 | 260 - 300°C |
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Nozzle temperature | 270 -300°C |
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Melt temperature | 270 - 300°C |
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Mold temperature | 70 - 100°C |
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Holding pressure, spec. | 300 - 800 bar |
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Back pressure, spec. | 50 - 150 bar |
| Injection speed | medium to high | |
| Screw speed | 5 - 15 m/min | |
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Mechanical Properties
Tensile modulus (1 mm/min | ISO 527-2) d.a.m. 10600 MPa conditioned 7800 MPa
Stress at break (5 mm/min | ISO 527-2) d.a.m. 150 MPa conditioned 110 MPa
Strain at break (5 mm/min | ISO 527-2) d.a.m. 2,8 % conditioned 3,7 %
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. 15 kJ/m²
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Thermal Properties
Melting temperature (DSC, 10K/min | DIN EN 11357-1) 262 °C
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General properties
Density (23°C | ISO 1183) 1,36 g/cm³
Humidity absorption (70°C, 62% r.H. | ISO 1110) 0,9-1,1 %
Molding shrinkage (flow | ISO 294-4) 0,4-0,6 %
Molding shrinkage (transverse | ISO 294-4) 0,8-1,0 %
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.
Notes
MAN-approval number: TUC 0264/19
“conditioned” test values = conditioned, measured on test specimens stored according to DIN EN ISO 1110
“d.a.m.” = dry as moulded test values = residual moisture content <0.1%
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