Your Professional PFA Tubes and Welding Rods Supplier
Jiangsu Rana Fluorine Material Technology Co., Ltd., founded in 1994 and headquartered in the Private Economy Industrial Center of Jiangyan District, Taizhou, Jiangsu Province, is a provincial-level technology-oriented private enterprise integrating R&D, manufacturing, and sales.The company operates a dedicated R&D center and collaborates with Shanghai Jiao Tong University, East China University of Science and Technology, Nanjing Tech University, and other institutions, ensuring robust technical capabilities.
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Why Choose Us
Robust Technology R&D System
Relying on its own R&D center and long-term cooperation with several renowned universities, the company has developed continuous innovation capabilities, ensuring that its product technology remains at the forefront of the industry.
Leading Composite Lining Core Technology
Mastering proprietary core technology for PTFE/PFA fabric composite linings, the company boasts higher peel strength and a wider temperature resistance range. Multiple national patents have achieved domestic leading and international advanced levels.
24-Hour Service
Our dedicated 24-hour online support ensures prompt responses, providing you with an excellent shopping experience. Feel free to reach out with any questions at any time.
Quality Assurance
We guarantee the highest product quality and are committed to delivering exceptional after-sales service to ensure your complete satisfaction.
Advantages of PFA Welding Wires
High temperature resistance
PFA is extremely heat resistant and can be used continuously at temperatures of up to 260°C (500°F) without losing its structural properties.
Chemical resistance
PFA shows excellent resistance to a wide range of chemicals, including acids, bases, solvents and other aggressive substances. This makes it suitable for applications in the chemical industry.
Low friction
PFA has low friction, which makes it interesting for sliding and bearing applications.
Electrical insulation
Due to its electrical insulation properties, PFA is used in the electrical industry for the manufacture of cable sheathing, insulators and other components.
Transparency
PFA is transparent and offers good light transmission. This property makes it interesting for applications where good visibility is required.
Good workability
PFA can be formed by various processing methods such as extrusion, injection molding and thermoforming, which enables its versatile application.
Advantages of PFA Flexible Pipe
Temperature Range: Operates continuously from -200°C to +260°C (-328°F to 500°F), suitable for cryogenic and high-heat applications
Flexibility & Kink Resistance: Maintains flexibility at low temperatures and resists kinking during installation and operation
Transparency: Allows visual monitoring of fluid flow and early detection of blockages or contamination
Long Service Life: Resists aging, UV degradation, and environmental stress cracking, reducing replacement frequency
Weldability & Fabrication: Can be heat-formed, welded, and customized into complex configurations for specialized systems
Parameters
| Core diameter | 3-5mm |
| Welding current | 220(A) |
| Work temperature | 100-260(℃) |
| Rod diameter | 3mm, 3.5mm, 4mm, 4.5mm, 5mm |
| Length | Standard 100m/roll or as required |
Inner and Outer Diameter
The inner diameter (ID) and outer diameter (OD) of PFA tubing are critical for determining flow rate, pressure handling, and compatibility with fittings and connectors. Standard sizes range from 1/16" to 1" in diameter, with tight tolerances ensuring consistent fluid dynamics.
Wall Thickness
The wall thickness of PFA tubing directly influences its mechanical strength, pressure rating, and flexibility. Thicker walls provide greater burst resistance and durability in high-pressure applications, while thinner walls enhance flexibility and reduce weight.
Temperature Resistance
PFA tubing exhibits outstanding thermal stability, capable of continuous operation at temperatures up to 260°C (500°F). It can also withstand brief excursions beyond this range without degradation.
Chemical Resistance
One of the most valuable properties of PFA tubing is its near-universal resistance to aggressive chemicals. It remains inert when exposed to strong acids (e.g., sulfuric, hydrochloric, nitric), bases (e.g., sodium hydroxide), and organic solvents (e.g., acetone, toluene, methanol).
Electrical Insulation
Although PFA is not conductive, it serves as an excellent electrical insulator with high dielectric strength and low dielectric constant.
Lifespan and Durability
Under normal operating conditions, PFA flexible tubing can last five years or more in industrial environments. Its longevity is attributed to its resistance to UV radiation, oxidation, and environmental aging.
Types of PFA Flexible Tubing
Standard PFA Tubing
Featuring a smooth inner and outer surface, standard PFA tubing ensures unobstructed fluid flow with minimal risk of particle buildup or clogging. Available in inner diameters from 1/8 inch to 1 inch, it offers excellent clarity and flexibility.
Braided PFA Tubing
This variant features an outer braid layer—commonly polyester or nylon—that adds puncture resistance, abrasion protection, and tensile strength. While the internal diameter typically ranges from 1/8 inch to 1/2 inch, the braided sheath significantly improves durability in rugged environments without compromising the core PFA’s purity.
Reinforced PFA Tubing
Engineered with an embedded mesh layer—typically made of nylon or fiberglass—reinforced PFA tubing delivers enhanced mechanical strength and pressure resistance.
Antistatic PFA Tubing
Formulated with conductive additives, antistatic PFA tubing dissipates static charges that can accumulate during fluid flow—especially with non-conductive solvents. With inner diameters typically between 1/4 inch and 3/8 inch, this tubing prevents electrostatic discharge (ESD) that could damage sensitive components or ignite flammable vapors.
How PFA Flexible Tubing Works
Material Selection: The process begins with choosing high-quality PFA resin, which provides the base for the tubingas chemical and thermal properties.
Extrusion: The resin is heated and pushed through a die to form a continuous tube. This step determines the diameter and wall thickness of the tubing.
Cooling & Cutting: The extruded tube is cooled rapidly to maintain its shape and then cut into specified lengths for different applications.
Reinforcement & Finishing: Additional reinforcement layers or fittings may be added to improve strength and compatibility with connectors.
Inspection & Testing: Each batch undergoes rigorous testing for leaks, flexibility, and chemical resistance to ensure quality standards are met.
Packaging & Distribution: The finished tubing is packaged carefully to prevent contamination and shipped to end-users.
Applications of PFA Welding Wires
Textile Machinery Components
PFA welding wires can be used to repair and manufacture various components of textile machinery, such as rollers, guides, and conveyor belts. The chemical resistance and low friction coefficient of PFA can help to extend the lifespan of these components and improve the quality of the textile products.
Chemical Processing Equipment
In the textile industry, chemicals are used in large quantities for dyeing, printing, and finishing processes. PFA welding wires can be used to fabricate chemical processing equipment, such as tanks, pipes, and valves, that can withstand the corrosive nature of these chemicals.
Heat Treatment Equipment
Heat treatment is an important step in textile manufacturing, and PFA welding wires can be used to construct heat treatment equipment, such as ovens and dryers. The high-temperature stability of PFA ensures that the equipment can operate efficiently at elevated temperatures without compromising the quality of the textiles.
Electrical Components
PFA is an excellent electrical insulator. PFA welding wires can be used to create electrical components, such as connectors and insulators, that are used in textile machinery and control systems.
Transportation
FAQ
We're well-known as one of the most reliable PFA tubes and welding rods manufacturers and suppliers in China. Please feel free to wholesale high quality PFA tubes and welding rods for sale here from our factory. Good service and reasonable price are available.
