A clear explanation of the differences between PTFE and PFA.
Differences in liquidity create variations in coating quality and reliability.
When considering fluoropolymer coatings, the differences between PTFE and PFA are important selection points. Both are resins that excel in non-stick properties, water repellency, oil repellency, slip properties, chemical resistance, and heat resistance, but PTFE tends to be difficult to flow when melted, making it prone to pinholes and voids in the coating. On the other hand, PFA has a low melt viscosity and excellent flowability, allowing it to fill gaps between particles and form a dense and smooth coating. This difference gives PFA an advantage in applications where corrosion resistance and insulation reliability are required. Additionally, it is easier to achieve thicker coatings, making it suitable for ensuring long-term durability in anti-corrosion applications. Selecting the optimal material according to the application and desired performance is crucial. We can also assist with inquiries regarding material selection and comparative evaluations, so please feel free to contact us for technical consultations and prototype testing.
- Company：日建塗装工業
- Price：Other
