Family: LARTON
Base resin:Polyphenylene Sulphide (PPS)
General information
Compound based on Polyphenylene Sulphide (PPS). Glass fibres. Intrinsically flame retardant. Very good chemical resistance. Very good thermal properties. Low smoke density and low toxicity index. 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.
Features
- - Strong chemical resistance
- - High operational temperature
- - Intrinsically flame retardant
Additives
- - Glass fibres
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Technical datasheets
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Technical characteristics
| Physical properties | Standard | Value | Measure Units |
|---|---|---|---|
| Density | ISO 1183 | 1.66 | g/cm³ |
| Linear shrinkage at moulding | |||
| Longitudinal (2.0mm/60MPa) | ISO 294-4 | 0.20 ÷ 0.35 | % |
| Transversal (2.0mm/60MPa) | ISO 294-4 | 0.60 ÷ 0.85 | % |
| Dimensional stability | --- | 68 | |
| Moisture absorption | |||
| Saturation, in air | ISO 62-4 | 0.02 | % |
| Mechanical properties | Standard | Value | Measure Units |
| CHARPY impact strength | |||
| Unnotched, at +23°C | ISO 179-1eU | 30 | kJ/m² |
| Unnotched, at -20°C | ISO 179-1eU | 28 | kJ/m² |
| Notched, at +23°C | ISO 179-1eA | 10 | kJ/m² |
| Notched, at -20°C | ISO 179-1eA | 9 | kJ/m² |
| Tensile elongation | |||
| At break (5 mm/min), 23°C | ISO 527 | 1.5 | % |
| At break (5 mm/min), 60°C | ISO 527 | 1.6 | % |
| At break (5 mm/min), 90°C | ISO 527 | 2.3 | % |
| At break (5 mm/min), 120°C | ISO 527 | 3.2 | % |
| At break (5 mm/min), 150°C | ISO 527 | 3.4 | % |
| Tensile strength | |||
| At break (5 mm/min), 23°C | ISO 527 | 175 | MPa |
| At break (5 mm/min), 60°C | ISO 527 | 165 | MPa |
| At break (5 mm/min), 90°C | ISO 527 | 145 | MPa |
| At break (5 mm/min), 120°C | ISO 527 | 95 | MPa |
| At break (5 mm/min), 150°C | ISO 527 | 75 | MPa |
| Elastic modulus | |||
| Tensile (1 mm/min), 23°C | ISO 527 | 15000 | MPa |
| Tensile (1 mm/min), 60°C | ISO 527 | 14500 | MPa |
| Tensile (1 mm/min), 90°C | ISO 527 | 11000 | MPa |
| Tensile (1 mm/min), 120°C | ISO 527 | 7500 | MPa |
| Tensile (1 mm/min), 150°C | ISO 527 | 6100 | MPa |
| Thermal properties | Standard | Value | Measure Units |
| Coefficient of linear thermal expansion (CLTE) | |||
| +30°C to +100°C (longitudinal) | ISO 11359 | 15 | × 10ˉ⁶ Kˉ¹ |
| +30°C a +100°C (transversal) | ISO 11359 | 35 | × 10ˉ⁶ Kˉ¹ |
| VICAT - Softening point | |||
| 50N (heating rate 120°C/h) | ISO 306 | 260 | °C |
| HDT - Heat Deflection Temperature | |||
| 0.45 MPa | ISO 75 | 280 | °C |
| 1.81 MPa | ISO 75 | 270 | °C |
| Thermal conductivity | |||
| in plane | ASTM E 1461-92 | 0.4 | W/mK |
| through plane | ASTM E 1461-92 | 0.3 | W/mK |
| Flammability | Standard | Value | Measure Units |
| Oxygen Index | ASTM D 2863 | 44 | % |
| 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 | |
| 0.4 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 | 1E12 | ohm |
| Dielectric strength (short period) | |||
| 2 mm thickness, 23°C, dry | ASTM D 149 | 18 | kV/mm |
| Melt Temperature | Standard | Value | Measure Units |
| Suggested melt temperature | --- | 290 ÷ 330 | °C |
| Mould Temperature | Standard | Value | Measure Units |
| Suggested mould temperature | --- | 135 ÷ 150 | °C |
Drying conditions (hot air dessiccator)
Predrying needed. At least 2 hours at 120 ÷ 150°C
Injection speed
Injection speed: medium to high. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: possible
Other information
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Creep curves at different temperatures - tensile modulus
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Thermal expansion coefficient at different temperatures
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Fatigue curve at 23°C (73°F)
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Fatigue curve at 23°C (73°F)
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Stress - strain curves at different temperatures