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LARAMID G/60

Family: LARAMID
Base resin:Semi-aromatic polyamide (PPA)
General information
Compound based on Semi-aromatic polyamide (PPA). Glass fibres. PFAS-free product.
Versions of product mentioned herein are suitable for applications in contact with foodstuffs or for toy manufacturing. Nevertheless, manufactured parts have to be verified according to the specific directives.
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 1.78 g/cm³
Linear shrinkage at moulding
Longitudinal (2.0mm/60MPa) ISO 294-4 0,15 ÷ 0,40 %
Transversal (2.0mm/60MPa) ISO 294-4 0,55 ÷ 0,75 %
Dimensional stability --- 64
Moisture absorption
Saturation, in air ISO 62-4 0.7 %
Mechanical properties Standard Value Measure Units
CHARPY impact strength
Unnotched, at +23°C ISO 179-1eU 70 kJ/m²
Notched, at +23°C ISO 179-1eA 15 kJ/m²
Tensile elongation
At break (5 mm/min), 23°C ISO 527 1.8 %
At break (5 mm/min), 60°C ISO 527 1.9 %
At break (5 mm/min), 90°C ISO 527 2.2 %
At break (5 mm/min), 120°C ISO 527 3.3 %
At break (5 mm/min), 150°C ISO 527 5 %
Tensile strength
At break (5 mm/min), 23°C ISO 527 275 MPa
At break (5 mm/min), 60°C ISO 527 240 MPa
At break (5 mm/min), 90°C ISO 527 215 MPa
At break (5 mm/min), 120°C ISO 527 165 MPa
At break (5 mm/min), 150°C ISO 527 100 MPa
Elastic modulus
Tensile (1 mm/min), 23°C ISO 527 24000 MPa
Tensile (1 mm/min), 60°C ISO 527 19500 MPa
Tensile (1 mm/min), 90°C ISO 527 18500 MPa
Tensile (1 mm/min), 120°C ISO 527 13000 MPa
Tensile (1 mm/min), 150°C ISO 527 7000 MPa
Thermal properties Standard Value Measure Units
Coefficient of linear thermal expansion (CLTE)
+30°C to +100°C (longitudinal) ISO 11359 15 × 10⁶ K¹
+30°C a +100°C (transversal) ISO 11359 30 × 10⁶ K¹
VICAT - Softening point
50N (heating rate 120°C/h) ISO 306 280 °C
HDT - Heat Deflection Temperature
0.45 MPa ISO 75 305 °C
1.81 MPa ISO 75 280 °C
Flammability Standard Value Measure Units
Oxygen Index ASTM D 2863 42 %
Flammability rating
3 mm thickness UL 94 HB
1.5 mm thickness UL 94 HB
0.75 mm thickness UL 94 HB
GWFI - Glow Wire Flammability Index
1 mm thickness IEC 60695-2-12 750 °C
Electrical properties Standard Value Measure Units
CTI - Comparative Tracking Index - solution A (without surfactant) IEC 60112 600 V
Electrical resistivity
Surface, dry ASTM D 257 1E12 ohm
Dielectric strength (short period)
2 mm thickness, 23°C, dry ASTM D 149 25 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 to high. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: to be evaluated