PE In CNC Machining
Polyethylene (PE) is a versatile thermoplastic known for its excellent strength-to-weight ratio. It also boasts strong impact resistance and outstanding weather durability, making it ideal for tough, outdoor applications.
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Description & Characteristics
| Price | $ $ $ $ $ |
| Lead Time | < 10 days |
| Wall Thickness | 0.75 mm |
| Tolerances | ±0.125mm (±0.005″) |
| Max Part Size | 200 x 80 x 100 cm |
| Applications | Polyethylene (PE) is a lightweight yet durable thermoplastic that offers a remarkable strength-to-weight ratio. It excels in impact resistance and is highly weather-resistant, making it a great choice for applications exposed to harsh environments. |
| Strengths | Exceptional mechanical properties, high precision, and repeatability. |
| Weaknesses | More limitations in geometry compared to 3D printing |
Mechanical & Physical Properties
| PE | Ultimate tensile strength | Yield strength | Young's modulus (modulus of elasticity) |
Elongation at break
|
Hardness
|
UV resistance
|
|---|---|---|---|---|---|---|
| HDPE | 22.1-31 MPa | 26.2-31 MPa | 1.07-1.09GPa | 500-700 % | 7.9-9.9HV |
Moderate |
| UHMW-PE |
38.6-48.3 MPa |
21.4-27.6MPa
|
0.894-0.963 GPa | 200-500 % |
3.4-8.3 HV | Good |
Thermal & Electrical Properties
| PE | Maximum service temperature | Thermal expansion coefficient | Thermal conductivity |
ESD Safety
|
|---|---|---|---|---|
| HDPE | 113-129 °C |
106 -198 10^-6/ºC
|
0.461-0.502 W/(m⋅°C)
|
No |
| UHMW-PE | 80 - 110 °C |
234-360 10^-6/ºC
|
0.19 - 0.197 W/(m⋅°C)
|
No |