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LARTON K/40 HM

Family: LARTON
Base resin:Polyphenylene Sulphide (PPS)
General information
Compound based on Polyphenylene Sulphide (PPS). Carbon fibres. Intrinsically flame retardant. High tensile modulus. 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.
Features
  • - Intrinsically flame retardant
Project challenges
  • - High temperature usage
  • - Flame retardancy halogen free
  • - Chemical stability
  • - Wear and friction
Additives
  • - Carbon 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 1.5 g/cm³
Linear shrinkage at moulding
Longitudinal (2.0mm/60MPa) ISO 294-4 0.05 ÷ 0.15 %
Transversal (2.0mm/60MPa) ISO 294-4 0.35 ÷ 0.55 %
Dimensional stability --- 65
Moisture absorption
Saturation, in air ISO 62-4 0.02 %
Mechanical properties Standard Value Measure Units
CHARPY impact strength
Unnotched, at +73°F ISO 179-1eU 4.7 ft.lb/in²
Notched, at +73°F ISO 179-1eA 1.6 ft.lb/in²
Tensile elongation
At break (5 mm/min), 73°F ISO 527 0.5 %
At break (5 mm/min), 140°F ISO 527 0.5 %
At break (5 mm/min), 195°F ISO 527 1 %
At break (5 mm/min), 250°F ISO 527 1 %
At break (5 mm/min), 300°F ISO 527 1 %
Tensile strength
At break (5 mm/min), 73°F ISO 527 25500 psi
At break (5 mm/min), 140°F ISO 527 18000 psi
At break (5 mm/min), 195°F ISO 527 16500 psi
At break (5 mm/min), 250°F ISO 527 10500 psi
At break (5 mm/min), 300°F ISO 527 9000 psi
Elastic modulus
Tensile (1 mm/min), 73°F ISO 527 5100 kpsi
Tensile (1 mm/min), 140°F ISO 527 4200 kpsi
Tensile (1 mm/min), 195°F ISO 527 2400 kpsi
Tensile (1 mm/min), 250°F ISO 527 1800 kpsi
Tensile (1 mm/min), 300°F ISO 527 1395 kpsi
Thermal properties Standard Value Measure Units
Coefficient of linear thermal expansion (CLTE)
+30°C to +100°C (longitudinal) ISO 11359 2 × 10ˉ⁶ Kˉ¹
+30°C a +100°C (transversal) ISO 11359 20 × 10ˉ⁶ Kˉ¹
VICAT - Softening point
50N (heating rate 120°C/h) ISO 306 491 °F
HDT - Heat Deflection Temperature
0.45 MPa ISO 75 536 °F
1.81 MPa ISO 75 518 °F
Thermal conductivity
in plane ASTM E 1461-92 5.2 W/mK
through plane ASTM E 1461-92 2.4 W/mK
Flammability Standard Value Measure Units
Flammability rating
3 mm thickness UL 94 V-0
1.5 mm thickness UL 94 V-0
0.75 mm thickness UL 94 V-0
GWFI - Glow Wire Flammability Index
2 mm thickness IEC 60695-2-12 960 °C
1 mm thickness IEC 60695-2-12 960 °C
GWIT - Glow Wire Ignition Test
2 mm thickness IEC 60695-2-13 775 °C
1 mm thickness IEC 60695-2-13 775 °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 5E1 ohm
1.5 mm thickness UL 94 1E2
Dielectric strength (short period)
2 mm thickness, 23°C, dry ASTM D 149 51 V/mil
Melt Temperature Standard Value Measure Units
Suggested melt temperature --- 555 ÷ 625 °F
Mould Temperature Standard Value Measure Units
Suggested mould temperature --- 275 ÷ 300 °F
Drying conditions (hot air dessiccator)
Predrying needed. At least 2 hours at 250 ÷ 300°F
Injection speed
Injection speed: medium to high. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: possible