
| Characteristics | PTFE PCB | FR4 PCB |
| Material Composition | Polytetrafluoroethylene with glass fiber and ceramic fillers | Fiberglass-reinforced epoxy laminate |
| Dielectric Constant | 2.2-2.4 | 4.2-4.8 |
| Dissipation Factor | 0.0002-0.0004 | 0.014-0.019 |
| Operating Temperature | -200°C to +260°C | -50°C to +130°C |
| Cost | High | Low |
| Frequency Performance | Excellent for high frequencies (>1GHz) | Good up to 500MHz |
| Primary Applications | - High-frequency RF systems - Microwave circuits - Satellite communications - Military/aerospace equipment |
- Consumer electronics - Industrial equipment - Computer hardware - General electronics |
| Manufacturing Complexity | Complex, requires special tools and processes | Standard, well-established processes |
| Thermal Stability | Excellent | Good |
| Signal Integrity | Superior | Moderate |
| Moisture Resistance | Excellent | Good |
| Mechanical Strength | Moderate | High |
| Chemical Resistance | Excellent | Good |
| Market Availability | Limited | Widely available |
| Processing Requirements | Specialized equipment and expertise | Standard PCB equipment |
| Dimensional Stability | Excellent | Good |
Our December promo is live
— POE PCB/PCBA Manufacturer (@poe_pcba) December 3, 2025
Dec 1–31
For existing customers:
Free assembly prototype
Free 1–4 layer PCB prototype
For new customers:
A welcome gift — DM us to claim yours.
Have a BOM or Gerber ready?
This month is a good time to start your next build.#PCBA #EMS pic.twitter.com/kl8xQvuU5Q
Since 1996, POE has become a globally renowned PCB company, providing small to medium volume PCB/ PCBA manufacturing services.
