China PTFE Manufacturers, Suppliers and Factory - Wholesale Service

Your Leading PTFE Supplier

Huzhou Kaili New Material Technology Co., Ltd. is strategically located in Huzhou, Zhejiang Province, China, a key hub in the Yangtze River Delta fluoromaterial industry cluster. As a specialized manufacturer under the umbrella of Kaili Advanced Materials Group, we focus on the coating, finishing, and customization of high-performance fabrics using fluoropolymers and silicones. Our PTFE is divided into PTFE machined components, PTFE semi-finished products, and PTFE Industrial. PTFE is a synthetic fluoropolymer that combines carbon and fluorine. The fluoropolymer is the main material to make tubing for medical, pharmaceutical, chemical, and other industrial equipment.

PTFE Bellows
PTFE bellows is a corrugated tube made of polytetrafluoroethylene with excellent chemical stability and temperature resistance. It can maintain stable performance in the temperature range of -200°C to 260°C and is suitable for various
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PTFE Ball Valve Seat
PTFE ball valve seat is a crucial component for ball valves in various industries. It is made from high-quality PTFE material, which offers excellent chemical resistance, low friction, and a wide temperature range. This seat ensures
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PTFE Custom Rings
PTFE custom rings are precision-engineered sealing components crafted from high-quality polytetrafluoroethylene (PTFE) material. These rings are designed to provide reliable sealing solutions across diverse industries such as chemical
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PTFE Insulation
PTFE insulation is a high - performance material offered by our factory. Made from pure PTFE resin, it provides superior electrical insulation and can withstand extreme temperatures and harsh chemicals. We also offer customized solutions
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PTFE Seals
What are PTFE seals？. PTFE seals are crafted from high-quality polytetrafluoroethylene material, renowned for its exceptional chemical resistance, low friction, and broad temperature tolerance. Our seals are designed to provide reliable
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PTFE Sleeves
PTFE sleeves are cylindrical components made of polytetrafluoroethylene, valued for their low friction, high temperature resistance, and chemical corrosion resistance. These properties enable them to excel in sliding or rotating
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PTFE Tube
PTFE tube, also known as polytetrafluoroethylene tube, is an industrial tube with excellent performance. Its most outstanding feature is corrosion resistance, able to resist almost all chemical substances, whether strong acid or strong
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PTFE Rod
PTFE rod is a high-performance rod made of polytetrafluoroethylene. It has excellent properties such as high temperature resistance, chemical corrosion resistance and low friction coefficient, and is widely used in machinery, chemical
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PTFE Teflon Tube
PTFE Teflon tube, or polytetrafluoroethylene tube, is an industrial tube with excellent performance. It has excellent high temperature resistance, chemical corrosion resistance and low friction coefficient, and is widely used in machinery,
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PTFE Tube Connector
PTFE tube connectors are specialized fittings designed to join PTFE (polytetrafluoroethylene) tubing securely in various applications. Renowned for their exceptional chemical resistance and ability to withstand both high and low
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PTFE Tube Fittings
PTFE tube fittings are key components for connecting PTFE pipes and are widely used in chemical, pharmaceutical, food processing and other fields. This type of fitting not only inherits the corrosion resistance, high temperature
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PTFE Film
PTFE Film is a versatile material with a wide range of applications. It can be easily processed and shaped, allowing it to be used in various forms such as sheets, tapes, and coatings.
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Why Choose Us?

Rich Experience

Our factory specializes in the production of expanded polytetrafluoroethylene (e-PTFE) and its composite materials, with more than 10 years of industry experience, committed to providing high-performance solutions for various industries.

Quality Guaranteed

We carefully select high-quality raw materials and strictly control every link of production. With ISO9001:2015, IQNET, CE and SGS certifications, we ensure excellent product quality and reliability.

Advanced Production Technology

Kaili is equipped with cutting-edge European machinery, vertically integrated from weaving to coating, including high-speed warping systems, wide rapier looms, automatic dip coating lines.

Customized Solutions

The R&D programs conducted by our engineering team focus on customizing fabric tensile strength (up to 800 N/cm²) and surface treatments to meet specific industry needs.

Parameter of PTFE

Property	Value
Melting Temperature (°C)	317-337
Tensile Modulus (MPa)	550
Elongation at Break (%)	300-550
Dielectric strength (kV/mm)	19.7
Dielectric Constant	2
Dynamic Co-efficient of Friction	0.04
Surface Energy (Dynes/g)	18
Appl. Temperature (°C)	260
Refractive Index	1.35

Characteristic of PTFE

Heat resistance property: It is able to work stably between -180° C to +260° C.

Excellent non-sticky property--it easier to remove those like resin, dopes, oil and other sticky things.

Good mechanical property with no distortion and low friction coefficient Excellent insulation property.

Materials like carbon, graphite and glass fiber can be flled.

Corrosion resistance.

It's not easy to aging.

Good tensile strength.

Abrasion resistance.

Manufacturing Process of PTFE

Paste Preparation: PTFE resin is blended with a suitable lubricant to form a uniform paste, which facilitates smooth processing.

Extrusion: The paste is extruded through a precision die to form a continuous tape or film, shaping it into the desired thickness and width.

Calendaring: The extruded material passes through a series of rollers to ensure a consistent thickness and a smooth, even surface.

Sintering: The tape is then subjected to high-temperature sintering, which fuses the PTFE particles together and effectively removes the lubricant, enhancing the tape's strength and non-stick properties.

Finishing: After cooling, the tape undergoes quality inspection before being wound onto rolls for packaging and distribution.

Customization Options

Material

PTFE

Color

Multiple options

Width

Customizable

Tensile strength

Customizable

Surface treatment

Customizable

Usage of PTFE

Lubricant
PTFE is used as dry lubrication in areas where low friction is required, with cookware coating being one of them. PTFE can reduce the friction effectively between surfaces and it gives an additional protection layer against corrosive substances as well. The WD-40 spray with PTFE is used for chain lubrication. It leaves a thin film on the chain so that it can resist dirt and oil.

Piping/tubing
Teflon coating is on the surface of the piping/tubing system in facilities that handle highly corrosive fluid. The Teflon coating on the inner surface of valves, pumps, tees, fittings, and every joint in the piping system is crucial for it prevents the risk of fluid leakage. The leakage of corrosive fluid is hazardous to both the equipment and the staff members in the working area.

Fabric/textile
One of the benefits we haven't mentioned yet is the hydrophobic property. Teflon is water repellent and can easily coat fibers. Outdoor clothing brands use the technology to design garments and shoe fabrics to make water-repellent products.

Ammunition
The best known fluoropolymer is polytetrafluoroethylene(PTFE), and it exhibits outstanding resistance to chemical, resists all chemicals except fluorine gas, chlorine trifuloride, and molten alkali metals. But when in high temperature, PCTFE is slightly susceptible to ammonia and chlorine gas.

Customized Process

COMMU NICATION DETAILS

Contact online customer service to communicate the details.

START DESIGNING

Start your prototype design.

CONFI RMATION OF THE FINAL DRAFT

Iterate on details to finalize.

PAYMENT OF DEPOSIT

Factory prepares materi-als and customers make deposits.

START OF PRODUCTION

Factory starts produc-tion.

DELIVERY RECEIPT

The customer confirms the quality of the goods and receives them.

Packaging and Delivery

Packaging	Wooden Cases, Cartons, Palletization.
Shipping	By logistics; by shipping; by air.
Payment	T/T, Paypal.

FAQ

Q: What are the main properties of PTFE?

A: PTFE has excellent high - temperature resistance, capable of withstanding continuous use at temperatures up to 260°C. It has a low friction coefficient, good chemical resistance, and is hydrophobic. It also has high electrical insulation and good thermal stability.

Q: What are the common applications of PTFE?

A: In the industrial field, it is used for lining pipes and fittings, gaskets and seals, and coatings for wires and cables.
In the food - processing industry, it is used in conveyor belts because of its non - stick and high - temperature - resistant properties.
In the medical field, it is used in catheters and grafts due to its biocompatibility and inert nature.
It is also widely used in non - stick cookware.

Q: How to improve the performance of PTFE?

A: The performance of PTFE can be improved by adding fillers. For example, adding ceramic fillers can improve its wear resistance, and adding carbon can make it more wear - resistant and antistatic. Surface treatment methods such as sodium treatment can also be used to improve its surface energy and make it easier to bond with other materials.

Q: How is PTFE produced?

A: PTFE is produced by the polymerization of tetrafluoroethylene (TFE) monomers. The main production methods include free - radical polymerization, suspension polymerization, and emulsion polymerization. After polymerization, the fine powder of PTFE is further processed, such as being agglomerated into granules or pellets, and then molded or extruded into various shapes.

Q: What is the maximum operating temperature for PTFE?

A: PTFE can withstand continuous operating temperatures of 150-200°C, and intermittently up to 250°C.

Q: What is the minimum operating temperature for PTFE?

A: PTFE can be used in cryogenic applications, with minimum operating temperatures well into the cryogenic range around -195°C.

Q: Is PTFE resistant to chemicals?

A: Yes, PTFE is chemically inert and resistant to most chemicals, except for fluorine and chlorine trifluoride and molten alkali metals at high temperatures and pressures.

Q: Does PTFE melt?

A: No, PTFE does not melt, but it softens at 327°C and decomposes at 400°C, with the C-F bond fracturing at higher temperatures.

We're well-known as one of the leading PTFE manufacturers and suppliers in China. If you're going to wholesale high quality PTFE, welcome to get more information from our factory.

PTFE Tube Connector, PTFE Teflon Tube