Family: LATILUB
Base resin:High density polyethylene (HDPE)
General information
Self-lubricating product based on High density polyethylene (HDPE). PTFE. Potentially suitable for medical contact application.
The products mentioned herein are not suitable for applications in contact with foodstuffs or for potable water transportation, or for toy manufacturing.
Versions of product mentioned herein may support applications in the pharmaceutical, medical or dental sector. However, manufactured parts have to be verified according to the specific directives.
Features
- - Self lubricant
Additives
- - PTFE
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 | 1.07 | g/cm³ |
| Linear shrinkage at moulding | |||
| Longitudinal (2.0mm/60MPa) | ISO 294-4 | 1.50 ÷ 1.80 | % |
| Transversal (2.0mm/60MPa) | ISO 294-4 | 1.30 ÷ 1.60 | % |
| Dimensional stability | --- | 60 | |
| Mechanical properties | Standard | Value | Measure Units |
| CHARPY impact strength | |||
| Unnotched, at +23°C | ISO 179-1eU | NB | kJ/m² |
| Notched, at +23°C | ISO 179-1eA | 2.5 | kJ/m² |
| Tensile elongation | |||
| At yield (5 mm/min), 23°C | ISO 527 | 8.5 | % |
| At yield (5 mm/min), 60°C | ISO 527 | >10 | % |
| At yield (5 mm/min), 90°C | ISO 527 | >10 | % |
| At break (5 mm/min), 23°C | ISO 527 | 15 | % |
| At break (5 mm/min), 60°C | ISO 527 | 20 | % |
| At break (5 mm/min), 90°C | ISO 527 | 20 | % |
| Tensile strength | |||
| At yield (5 mm/min), 23°C | ISO 527 | 20 | MPa |
| At yield (5 mm/min), 60°C | ISO 527 | 8 | MPa |
| At yield (5 mm/min), 90°C | ISO 527 | 6 | MPa |
| At break (5 mm/min), 23°C | ISO 527 | 15 | MPa |
| At break (5 mm/min), 60°C | ISO 527 | 10 | MPa |
| At break (5 mm/min), 90°C | ISO 527 | 8 | MPa |
| Elastic modulus | |||
| Tensile (1 mm/min), 23°C | ISO 527 | 1000 | MPa |
| Tensile (1 mm/min), 60°C | ISO 527 | 360 | MPa |
| Tensile (1 mm/min), 90°C | ISO 527 | 100 | MPa |
| Thermal properties | Standard | Value | Measure Units |
| VICAT - Softening point | |||
| 50N (heating rate 120°C/h) | ISO 306 | 75 | °C |
| HDT - Heat Deflection Temperature | |||
| 0.45 MPa | ISO 75 | 75 | °C |
| 1.81 MPa | ISO 75 | 45 | °C |
| TI - Thermal Index (long term) | ASTM E1641/E1877 | 50 | °C |
| Electrical properties | Standard | Value | Measure Units |
| Electrical resistivity | |||
| Surface, dry | ASTM D 257 | 1E12 | ohm |
| Dielectric strength (short period) | |||
| 2 mm thickness, 23°C, dry | ASTM D 149 | 29 | kV/mm |
| Tribological properties | Standard | Value | Measure Units |
| Wear Factor | LATI | 80 | 10ˉ⁸(mm³m)/N |
| Friction Coefficient | |||
| Static | LATI | 0.23 | |
| Dynamic | LATI | 0.26 | |
| Melt Temperature | Standard | Value | Measure Units |
| Suggested melt temperature | --- | 180 ÷ 230 | °C |
| Mould Temperature | Standard | Value | Measure Units |
| Suggested mould temperature | --- | 30 ÷ 50 | °C |
Drying conditions (hot air dessiccator)
Predrying needed. At least 2 hours at 80 ÷ 90°C
Injection speed
Injection speed: medium to high. Setting an injection profile should improve moulding.
Hot runners
Usage of hot runner: possible