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LARAMID G/15

Family: LARAMID
Base resin:Semi-aromatic polyamide (PPA)
General information
Compound based on Semi-aromatic polyamide (PPA). Glass fibres. PFAS-free product.
The products mentioned herein are not suitable for applications in contact with foodstuffs or for potable water transportation, or for toy manufacturing.
The products mentioned herein are not suitable for applications in the pharmaceutical, medical or dental sector.
Project challenges
  • - High temperature usage
  • - Chemical stability
Additives
  • - Glass fibres
Process types
  • - Injection moulding
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Technical datasheets
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Technical characteristics
Physical properties Standard Value Measure Units
Density ISO 1183 1.3 g/cm³
Linear shrinkage at moulding
Longitudinal (2.0mm/60MPa) ISO 294-4 0.55 ÷ 0.75 %
Transversal (2.0mm/60MPa) ISO 294-4 0.80 ÷ 1.00 %
Dimensional stability --- 77
Moisture absorption
Saturation, in air ISO 62-4 1.05 %
Mechanical properties Standard Value Measure Units
CHARPY impact strength
Unnotched, at +23°C ISO 179-1eU 20 kJ/m²
Unnotched, at -20°C ISO 179-1eU 17 kJ/m²
Notched, at +23°C ISO 179-1eA 4 kJ/m²
Notched, at -20°C ISO 179-1eA 4 kJ/m²
Tensile elongation
At yield (5 mm/min), 120°C ISO 527 3.5 %
At yield (5 mm/min), 150°C ISO 527 10 %
At break (5 mm/min), 23°C ISO 527 1.8 %
At break (5 mm/min), 60°C ISO 527 2.2 %
At break (5 mm/min), 90°C ISO 527 2.5 %
At break (5 mm/min), 120°C ISO 527 5.2 %
At break (5 mm/min), 150°C ISO 527 12 %
Tensile strength
At yield (5 mm/min), 120°C ISO 527 80 MPa
At yield (5 mm/min), 150°C ISO 527 55 MPa
At break (5 mm/min), 23°C ISO 527 110 MPa
At break (5 mm/min), 60°C ISO 527 105 MPa
At break (5 mm/min), 90°C ISO 527 100 MPa
At break (5 mm/min), 120°C ISO 527 75 MPa
At break (5 mm/min), 150°C ISO 527 55 MPa
Elastic modulus
Tensile (1 mm/min), 23°C ISO 527 7500 MPa
Tensile (1 mm/min), 60°C ISO 527 6000 MPa
Tensile (1 mm/min), 90°C ISO 527 6000 MPa
Tensile (1 mm/min), 120°C ISO 527 5000 MPa
Tensile (1 mm/min), 150°C ISO 527 2500 MPa
Thermal properties Standard Value Measure Units
Coefficient of linear thermal expansion (CLTE)
+30°C to +100°C (longitudinal) ISO 11359 30 × 10⁶ K¹
+30°C a +100°C (transversal) ISO 11359 50 × 10⁶ K¹
VICAT - Softening point
50N (heating rate 120°C/h) ISO 306 270 °C
HDT - Heat Deflection Temperature
0.45 MPa ISO 75 295 °C
1.81 MPa ISO 75 285 °C
Electrical properties Standard Value Measure Units
Electrical resistivity
Surface, dry ASTM D 257 1E12 ohm
Dielectric strength (short period)
2 mm thickness, 23°C, dry ASTM D 149 22 kV/mm
Melt Temperature Standard Value Measure Units
Suggested melt temperature --- 320 ÷ 345 °C
Mould Temperature Standard Value Measure Units
Suggested mould temperature --- 150 ÷ 170 °C
Storage
PAY ATTENTION! Material is prone to absorb moisture.
Drying conditions (hot air dessiccator)
Predrying needed. At least 4 hours at 120 ÷ 130°C
Injection speed
Injection speed: medium. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: possible