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LASULF

Family: LASULF
Base resin:Polysulphone (PSU)
General information
Product made of Polysulphone (PSU). Unfilled. 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.
Versions of product mentioned herein may support applications in the pharmaceutical, medical or dental sector. Nevertheless, manufactured parts have to be verified according to the specific directives.
Project challenges
  • - High temperature usage
  • - Flame retardancy halogen free
  • - Chemical stability
  • - Wear and friction
Additives
  • - Unfilled
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 1.24 g/cm³
Linear shrinkage at moulding
Longitudinal (2.0mm/60MPa) ISO 294-4 0.60 ÷ 0.80 %
Transversal (2.0mm/60MPa) ISO 294-4 0.65 ÷ 0.85 %
Dimensional stability --- 85
Moisture absorption
Saturation, in air ISO 62-4 0.3 %
At saturation, in water ISO 62-4 0.8 %
Melt Flow Index (MFI) ASTM D 1238 7.00@343°C/2.16kg g/10'
Mechanical properties Standard Value Measure Units
CHARPY impact strength
Notched, at +23°C ISO 179-1eA 5 kJ/m²
Notched, at -20°C ISO 179-1eA 1.5 kJ/m²
Tensile elongation
At yield (5 mm/min), 23°C ISO 527 0.8 %
At yield (5 mm/min), 60°C ISO 527 0.7 %
At yield (5 mm/min), 90°C ISO 527 0.6 %
At yield (5 mm/min), 120°C ISO 527 0.6 %
At yield (5 mm/min), 150°C ISO 527 0.3 %
Tensile strength
At yield (5 mm/min), 23°C ISO 527 20 MPa
At yield (5 mm/min), 60°C ISO 527 18 MPa
At yield (5 mm/min), 90°C ISO 527 16 MPa
At yield (5 mm/min), 120°C ISO 527 14 MPa
At yield (5 mm/min), 150°C ISO 527 7 MPa
At break (5 mm/min), 23°C ISO 527 75 MPa
At break (5 mm/min), 60°C ISO 527 70 MPa
At break (5 mm/min), 90°C ISO 527 60 MPa
At break (5 mm/min), 120°C ISO 527 50 MPa
At break (5 mm/min), 150°C ISO 527 35 MPa
Elastic modulus
Tensile (1 mm/min), 23°C ISO 527 2600 MPa
Tensile (1 mm/min), 60°C ISO 527 2300 MPa
Tensile (1 mm/min), 90°C ISO 527 2200 MPa
Tensile (1 mm/min), 120°C ISO 527 2000 MPa
Tensile (1 mm/min), 150°C ISO 527 1900 MPa
Thermal properties Standard Value Measure Units
Coefficient of linear thermal expansion (CLTE)
+30°C to +100°C (longitudinal) ISO 11359 55 × 10ˉ⁶ Kˉ¹
+30°C a +100°C (transversal) ISO 11359 55 × 10ˉ⁶ Kˉ¹
VICAT - Softening point
50N (heating rate 120°C/h) ISO 306 175 °C
HDT - Heat Deflection Temperature
0.45 MPa ISO 75 180 °C
1.81 MPa ISO 75 165 °C
Thermal conductivity
in plane ASTM E 1461-92 0.2 W/mK
through plane ASTM E 1461-92 0.2 W/mK
Flammability Standard Value Measure Units
Oxygen Index ASTM D 2863 26 %
Flammability rating
3 mm thickness UL 94 HB
1.5 mm thickness UL 94 HB
GWFI - Glow Wire Flammability Index
2 mm thickness IEC 60695-2-12 960 °C
1 mm thickness IEC 60695-2-12 960 °C
Electrical properties Standard Value Measure Units
CTI - Comparative Tracking Index - solution A (without surfactant) IEC 60112 125 V
Electrical resistivity
Surface, dry ASTM D 257 / D 4496 1E12 ohm
Dielectric strength (short period)
2 mm thickness, 23°C, dry ASTM D 149 17 kV/mm
Melt Temperature Standard Value Measure Units
Suggested melt temperature --- 300 ÷ 330 °C
Mould Temperature Standard Value Measure Units
Suggested mould temperature --- 120 ÷ 160 °C
Drying conditions (hot air dessiccator)
Predrying needed. At least 4 hours at 120 ÷ 130°C
Injection speed
Injection speed: low to medium. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: possible
LASULF
General information Download documents Technical characteristics Drying conditions Injection speed Hot runners