PARA – Polyaramide PARA GF 35 FR (40)
AKROLOY® PARA GF 35 FR black (7496)
AKROLOY PARA GF 35 FR black (7496) is a flame-retarded, 35% glass-fiber reinforced Polyarylamide with very high flow, highest modulus and strength and low
creep. Small water-absorption and very small change of properties due to water-absorption.
Typical applications
Components in Electrical Industry which need low creep even in conditioned state.
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.
 | Drying time | 4 - 12 h |
| Drying temperature (τ ≤ -30°C) | 80 - 90°C | |
| Processing moisture | 0,02 - 0,1% | |
 | Feed section | 60 - 80°C |
 | Temperature zone 1 - Zone 4 | 250 - 300°C |
 | Nozzle temperature | 270 - 300°C |
 | Melt temperature | 270 - 300°C |
 | Mold temperature | 120 - 160°C |
 | Holding pressure, spec. | 300 - 1500 bar |
 | Back pressure, spec. | 50 -150 bar |
| Injection speed | high | |
| Screw speed | 8 - 10 m/min | |
- Mechanical Properties
Tensile modulus (1 mm/min | ISO 527-2) d.a.m. 14600 MPa Stress at break (5 mm/min | ISO 527-2) d.a.m. 200 MPa Strain at break (5 mm/min | ISO 527-2) d.a.m. 2,2 % Charpy impact strength (23°C | ISO 179-1/1eU) d.a.m. 55 kJ/m² Charpy notched impact strength (23°C | ISO 179-1/1eA) d.a.m. 13 kJ/m² - Thermal Properties
Temperature of deflection under load HDT/A (1,8 MPa | ISO 75) 230 °C Melt temperature (DSC, 10K/min | DIN EN 11357-1) 235 °C - Flammability
Burning rate (UL 94) 0,4mm Wall thickness V0 Class 0,8mm Wall thickness V0 Class 1,6mm Wall thickness V0 Class 3,2mm Wall thickness V0 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 825 °C 0,8mm Wall thickness 800 °C 1,6mm Wall thickness 800 °C 3,2mm Wall thickness 825 °C - General properties
Density (23°C | ISO 1183) 1,48 g/cm³ - Electrical Properties
Comparative tracking index (Test liquid A | IEC 60112) > 600 V
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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