PA6.6 – Polyamide 6.6 PA66 GF50

• Mechanical Properties

  Tensile modulus (1 mm/min | ISO 527-2)	d.a.m.	16700 MPa
  	conditioned	12600 MPa

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  Stress at break (5 mm/min | ISO 527-2)	d.a.m.	250 MPa
  	conditioned	180 MPa

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  Strain at break (5 mm/min | ISO 527-2)	d.a.m.	2,5 %
  	conditioned	3,5 %

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  Flexural modulus (2 mm/min | ISO 178)	d.a.m.	15200 MPa
  	conditioned	13600 MPa

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  Flexural strength (2 mm/min | ISO 178)	d.a.m.	380 MPa
  	conditioned	310 MPa

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  Charpy impact strength (23°C | ISO 179-1/1eU)	d.a.m.	105 kJ/m²
  	conditioned	110 kJ/m²

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  Charpy impact strength (-30°C | ISO 179-1/1eU)

  d.a.m.

  105 kJ/m²

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  Charpy notched impact strength (23°C | ISO 179-1/1eA)	d.a.m.	19 kJ/m²
  	conditioned	23 kJ/m²

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  Charpy notched impact strength (-30°C | ISO 179-1/1eA)

  d.a.m.

  16 kJ/m²

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  Ball indentation hardness (961N/30s | ISO 2039-1)

  d.a.m.

  290 MPa

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• Thermal Properties

  Temperature of deflection under load HDT/A (1,8 MPa | ISO 75)

  260 °C

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  Temperature of deflection under load HDT/B (0,45 MPa | ISO 75)

  260 °C

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  Temperature of deflection under load HDT/C (8 MPa | ISO 75)

  235 °C

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  Melting temperature (DSC, 10K/min | DIN EN ISO 11357-3)

  262 °C

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  Coefficent of linear thermal expansion, parallel (23°C bis 80°C | ISO 11359-1/2)

  0,17 1,0E-4/K

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  Coefficent of linear thermal expansion, transverse (23°C bis 80°C | ISO 11359-1/2)

  0,88 1,0E-4/K

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  Temperature index for 50% loss of tensile strength after 5.000h (5.000 h | IEC 60216)

  160 - 175 °C

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  Temperature index for 50% loss of tensile strength after 20.000h (20.000 Std. | IEC 60216)

  130 - 150 °C

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• Flammability

  Burning rate (UL 94)
  0,8mm Wall thickness	HB Class

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  GWFI (IEC 60695-2-12)
  1,6mm Wall thickness	650 °C

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  Burning rate (<100 mm/min) (> 1 mm Thickness | FMVSS 302)

  +

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• General properties

  Density (23°C | ISO 1183)

  1,57 g/cm³

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  Humidity absorption (70°C, 62% r.H. | ISO 1110)

  1,3 - 1,5 %

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  Water absorption 23°C saturated (23°C, saturated | ISO 62)

  3,7 - 4,3 %

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  Molding shrinkage (flow | ISO 294-4)

  0,1 - 0,3 %

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  Molding shrinkage (transverse | ISO 294-4)

  0,5 - 0,7 %

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• Electrical Properties

  Volume resistivity (IEC 60093)	d.a.m.	1,0E+13 Ω · cm
  	conditioned	1,0E+10 Ω · cm

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  Volume resistivity (DIN EN 62631-3-1)	d.a.m.	1,0E+13 Ω · cm
  	conditioned	1,0E+10 Ω · cm

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  Surface resistivity (DIN EN 62631-3-2)	d.a.m.	1,0E+12 Ω
  	conditioned	1,0E+10 Ω

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  Comparative tracking index (Test liquid A | IEC 60112)

  600 V

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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	0 - 4 h
	Drying temperature (τ ≤ -30°C)	80°C
	Processing moisture	0,02 - 0,1%
	Feed section	60 - 80°C
	Temperature zone 1 - Zone 4	260 - 300°C
	Nozzle temperature	270 - 310°C
	Melt temperature	280 - 300°C
	Mold temperature	80 - 100°C
	Holding pressure, spec.	300 - 800 bar
	Back pressure, spec.	50 - 150 bar
	Injection speed	medium to high
	Screw speed	8 - 15 m/min