Molded PTFE Board: The Ultimate Stock for Heavy-Duty Engineering
Our ptfe board is manufactured using advanced compression molding technology, resulting in a high-density, low-stress material ideal for precision machining. Unlike thinner skived sheets, these molded plates are engineered for structural integrity, providing a stable foundation for large-diameter seals, valve seats, and high-load bridge bearings.
Why Choose Molded PTFE Board Over Skived Sheets?
The molding process offers distinct mechanical advantages for critical applications:
- Maximum Density: The high-pressure molding cycle ensures a void-free internal structure, maximizing the ptfe board's resistance to chemical permeation.
- Superior Dimensional Stability: Our controlled sintering process minimizes internal stress, so the ptfe board stays flat and maintains tight tolerances during heavy CNC milling and drilling.
- Extreme Thickness Capabilities: We specialize in thick-section plates (up to 300mm+), which are impossible to produce via traditional skiving methods.
Technical Specifications (Molded Grade)
| Property |
Molded PTFE Board |
| Apparent Density |
2.1 - 2.3g/cm³ |
| Tensile Strength |
≥15Mpa |
| Ultimate Elongation |
≥150% |
| Thickness |
3-300mm |
| Width |
20-1200mm |
| Length |
1200mm |
| Temperature Range |
-180℃ ~ +260℃ |
Key Industrial Applications
Our ptfe board is the preferred choice for manufacturing:
- Heavy-Duty Seals: Large-diameter gaskets and backup rings for the oil and gas industry.
- Chemical Tank Linings: Thick-section protective barriers for aggressive acid storage.
- Bridge Bearings: Low-friction, high-load sliding plates for infrastructure projects.
- Electrical Standoffs: Robust, high-voltage insulators for power distribution equipment.

Custom Material Blends
As a professional manufacturer, we can enhance your ptfe board with functional fillers to meet specific environmental demands:
- Glass Fiber Filled: Increases compressive strength and wear resistance.
- Carbon/Graphite Filled: Enhances thermal conductivity and reduces friction.
- Bronze Filled: Provides the best creep resistance for mechanical load-bearing parts.