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 | 19600 | MPa |
| Tensile (1 mm/min), 90°C | ISO 527 | 18400 | 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 | × 10ˉ⁶ Kˉ¹ |
| +30°C a +100°C (transversal) | ISO 11359 | 30 | × 10ˉ⁶ Kˉ¹ |
| 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 / D 4496 | 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