What is PFA?

PFA (Perfluoroalkoxy Alkane) is a melt-processable fluoropolymer that combines the exceptional chemical resistance of PTFE (Polytetrafluoroethylene) with the advantages of thermoplastic processing. Compared to PTFE, PFA offers enhanced melt adhesion, lower melt viscosity, and equivalent corrosion resistance, making it a highly versatile material in demanding industrial applications.

Key Properties and Advantages

1. Extreme Environment Resistance

• Temperature Tolerance: Long-term operating range of -200°C to +260°C, with short-term resistance up to 300°C.

• Chemical Inertness: Resistant to strong acids (e.g., sulfuric acid, hydrofluoric acid), strong bases, organic solvents, and oxidizers.

• Ultra-Low Permeability: Dense molecular structure provides excellent barrier properties against gases and liquids.

2. Electrical and Mechanical Performance

• Dielectric Properties: Dielectric constant of 2.1 (1 MHz) with low dielectric loss, making it ideal for high-frequency electronics.

• Low Friction Coefficient: Smooth surface (0.05-0.08) offers superior anti-adhesion properties.

• Mechanical Strength: Higher flexural fatigue resistance than PTFE, with a tensile strength of 28-34 MPa.

Applications of PFA in High-Performance Industries

PFA’s ability to withstand extreme temperatures, chemicals, and mechanical stress makes it indispensable across multiple sectors:

1. Electronics Manufacturing

• High-Frequency Electronics: Used in high-frequency PCB substrates for stable dielectric properties and low signal loss.

• 5G Antenna Radomes: Excellent weather resistance and low dielectric loss.

2. Medical & Life Sciences

• Medical Devices: Used in minimally invasive surgical catheters for biocompatibility and gamma sterilization resistance.

• IVD (In Vitro Diagnostics) Reagent Flow Paths: Non-protein-adsorbing surfaces ensure high accuracy.

• Implantable Sensor Encapsulation: Long-term stability in the human body.

• Laboratory Equipment: Applied in chromatography tubing for superior solvent resistance and PCR reaction chamber coatings to prevent nucleic acid contamination.

3. Renewable Energy & Chemical Processing

• Hydrogen Energy: Used in fuel cell bipolar plates for hydrogen embrittlement resistance and low contact resistance.

• Electrolysis Seals: Critical for alkaline electrolyzers due to high alkali resistance.

• Solar & Lithium Battery Industry: Silicon tetrachloride transport tubing in polysilicon production and lithium battery electrolyte reactor linings to prevent metal ion contamination.

• Chemical Processing: Lining for storage tanks handling strong acids (e.g., sulfuric acid, hydrofluoric acid).

4. Food & Pharmaceutical Industry

• Food Processing Equipment: Non-stick coatings for high-temperature frying equipment, free from toxic release.

• Dairy Fermentation Seals: Resistant to acidic cleaning agents.

• Pharmaceutical Production: Lyophilizer trays (-80°C resistance) and API (Active Pharmaceutical Ingredient) synthesis reactor linings.

PFA Product Forms & Processing Methods

At Shenzhen Teflon New Material Technology Co., Ltd., we provide PFA in powder and pellet forms. It can be processed using:

• Electrostatic Spraying

• Molding

• Extrusion

• Injection Molding

PFA can be used to manufacture coatings, films, sheets, rods, tubes, fibers, cables, containers, instruments, and various electronic and electrical components.

Our Services & Technical Support

Customization

We offer tailored solutions, adjusting parameters such as melt flow index (MFI 1-40g/10min) and transparency to meet specific application requirements.

Certifications

Our PFA products comply with ISO 9001, IATF 16949, CNAS standards and come with full RoHS, REACH certification.

Technical Assistance

We provide material selection support, mold design guidance, and processing optimization.

Contact Us

For more details about our high-performance PFA fluoropolymer products, reach out to us today. Our team is ready to assist with product selection, pricing, and technical inquiries.