PPA – Polyphthalamide PPA GF 35 FR
AKROMID® T1 GF 35 FR natural (7288)
AKROMID® T1 GF 35 FR natural (7288) is a 35% glass fibre reinforced, halogene free flame retardant PPA with high stiffness and strength as well as high temperature- and chemical resistance and with flammability acc UL 94 V0.
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)||120°C|
|Processing moisture||0,02 - 0,08%|
|Feed section||60 - 90°C|
|Temperature zone 1 - Zone 4||310 - 340°C|
|Nozzle temperature||320 - 340°C|
|Melting temperature||320 - 340°C|
|Mold temperature||100 - 160°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. 12300 MPa Stress at break (5 mm/min | ISO 527-2) d.a.m. 180 MPa Strain at break (5 mm/min | ISO 527-2) d.a.m. 2,5 % Charpy impact strength (23°C | ISO 179-1/1eU) d.a.m. 67 kJ/m²
- Thermal Properties
Melting temperature (DSC, 10K/min | DIN EN 11357-1) 310 °C
Burning rate (UL 94) 0,8mm Wall thickness V0 Class 1,6mm 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 775 °C 0,8mm Wall thickness 775 °C 1,6mm Wall thickness 775 °C 3,2mm Wall thickness 775 °C
- General properties
Humidity absorption (70°C, 62% r.F. | ISO 1110) 1,0 - 1,2 %
- Electrical Properties
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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