Polycarbonate (PC)
Polycarbonate is a transparent engineering thermoplastic with exceptional impact resistance — 250 times stronger than glass. It offers good optical clarity, dimensional stability, and is widely used for protective covers and optical components.
Machinability
75/100
Tolerance
±0.03 mm
Category
Engineering Plastics
Material Properties
| Property | Value |
|---|---|
| Tensile Strength | 65 MPa (9.4 ksi) |
| Yield Strength | 62 MPa (9 ksi) |
| Hardness | Rockwell M70 |
| Density | 1.20 g/cm³ |
| Machinability Rating | 75/100 |
| Thermal Conductivity | 0.20 W/m·K |
| Melting Point | 267 °C (softens at 150°C) |
| Tolerance | ±0.03 mm |
Common Grades
MakrolonLexanZeluxPC-GF
Advantages
- Exceptional impact resistance
- Optically clear
- Good dimensional stability
- UL94 V-2 rated
- Lightweight
Limitations
- Scratches easily
- Yellows with UV exposure
- Susceptible to chemical attack by solvents
- Stress cracking
Common Applications
Safety shields
Lenses
Light guides
Display windows
Electrical housings
Medical devices
Industries Served
ElectronicsMedicalAutomotiveConsumer ProductsLighting
Available Surface Finishes
As-MachinedPolishedVapor PolishedHard Coated