PARA – Polyarylamide PARA GF60

• Mechanical Properties

  Tensile modulus (1 mm/min | ISO 527-2)	d.a.m.	24000 MPa
  	conditioned	24000 MPa

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  Stress at break (5 mm/min | ISO 527-2)	d.a.m.	320 MPa
  	conditioned	290 MPa

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  Strain at break (5 mm/min | ISO 527-2)	d.a.m.	2,0 %
  	conditioned	2,0 %

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  Flexural modulus (2 mm/min | ISO 178)

  d.a.m.

  23500 MPa

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  Flexural strength (2 mm/min | ISO 178)

  d.a.m.

  400 MPa

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  Charpy impact strength (23°C | ISO 179-1/1eU)	d.a.m.	80 kJ/m²
  	conditioned	85 kJ/m²

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• Thermal Properties

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

  205 °C

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

  238 °C

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• Flammability

  Burning rate (UL 94)
  1,6mm Wall thickness	HB Class

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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)

  1,76 g/cm³

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

  0,7 %

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  Molding shrinkage (flow | ISO 294-4)

  0,1-0,2 %

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  Molding shrinkage (transverse | ISO 294-4)

  0,2-0,4 %

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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	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