Are you looking for the best PTFE O-ring manufacturers in China? With so many options available, it can be overwhelming to choose the right one. In this article, we’ll compare some of the top PTFE O-ring factories in China, highlighting their unique features, materials, and applications to help you make an informed decision. Let’s dive into the world of PTFE O-rings and explore what these leading manufacturers have to offer. From Savvy Rubber’s high-temperature resistant

China PTFE O-Ring Supplier

PTFE Encapsulated O Rings Manufacturer

Product Details: Yoson PTFE encapsulated O-rings are made with a silicone rubber core encapsulated in a thin moulded layer of Teflon FEP/PFA. These o-rings are designed to withstand extreme conditions, offering excellent tight sealing under pressures of up to 35 BARS. They are FDA-approved, making them suitable for use in the pharmaceutical sector, food processing, and other hygienic applications. The o-rings are available in numerous sizes, including standard AS568 dimensions and custom sizes with rectangular, oval, and square cross-sectional profiles. They are lubricant-compatible and can operate in abrasive or dry media, and are used in various industrial fields such as submersible pumps,

flanges, swivels, valve stems, and cryogenic seals.

Pros:
– Excellent resistance to high temperatures and pressures
– High chemical resistance due to the Teflon PTFE outer layer
– Good insulation properties, low contact pressure, and adaptability
– Temperature resistance up to high temperatures and down to cryogenic levels
– High hardness and little moisture permeability
– FDA-approved for use in food and pharmaceutical applications
– Lubricant-compatible and suitable for abrasive or dry media
– Custom sizes and designs available

Cons:
– Vulnerable to organic solvents and certain chemicals
– May require specific gland design to maximize sealing performance

Teflon O-Rings, PTFE O-Rings China Manufacturer – Savvy

Product Details: PTFE / Teflon o-rings are made from a high molecular weight polymer known as polytetrafluoroethylene. They are characterized by their high heat resistance, operating within a temperature range of -100°C to 280°C. These o-rings are highly resistant to chemical agents, solvents, and various media such as oil, water, steam, and chemicals. They also exhibit anti-adhesiveness, dielectric properties, a low friction coefficient, and good self-lubrication. The material is non-toxic and has high mechanical strength and wear resistance. Standard sizes include AS 568, BS 1806, ISO 3601, DIN 3771, and JIS B 2401. The shelf life is about 20 years[2].

Pros:
– High heat resistance and cold resistance, operating within a temperature range o…
– Excellent chemical stability and resistance to various solvents and chemicals
– Low friction coefficient and good self-lubrication properties
– High mechanical strength, high-pressure resistance, and good wear resistance
– Non-toxic and suitable for use in various industrial fields such as metallurgy,…

Cons:
– Not suitable for use as traditional rubber o-rings due to its plastic nature
– Higher cost compared to other o-ring materials

PTFE O-rings Suppliers, Manufacturers

FEP/PFA Teflon Encapsulated O-Rings – China Manufacturer

Product Details: Teflon encapsulated o-rings are a combination of silicone rubber or FKM Viton rubber on the inside and a thin Teflon FEP or Teflon PFA outer layer. The core materials can be silicone or Viton, and the outer layer is Teflon FEP or PFA. These o-rings have a temperature range of -60 °C (-76 °F) to 205 °C (401 °F) for FEP encapsulated and maintain good elasticity at high temperatures. They are available in solid and hollow core configurations and are manufactured with strict quality control to ensure standard tolerances.

Pros:
– Excellent sealing performance and tightness in harsh environments.
– Good resistance to solvent swelling and chemical stability, except when attacked…
– Low friction coefficient (0.1~0.2) and excellent resistance to gas permeation.
– Uniform elastic and compressive strains, allowing repeated installation and use…
– Wide application in industrial products such as pumps, valves, reaction vessels,…

Cons:
– Common rubber o-rings within are easier to abrade and have poor chemical resista…
– Pure Teflon encapsulated o-rings have higher hardness and poor elasticity.
– The Teflon outer layer can be stiff, requiring special groove design considerati…

PTFE Coated FKM O-rings With Black, Green Color

Product Details: PTFE coated or encapsulated O-rings are specialized sealing solutions consisting of a core material, typically silicone or Viton®, coated or encapsulated with a thin layer of PTFE. These O-rings operate effectively in a wide temperature range, typically from -60°C to +260°C (-76°F to +500°F), and are suitable for both cryogenic and high-temperature applications. They are available in various colors and can be made from different core materials such as FKM (Viton®) or VMQ (silicone). The PTFE coating enhances the O-ring’s performance by reducing wear and friction in dynamic applications while maintaining the core material’s inherent properties[1][3][5].

Pros:
– Excellent chemical resistance, allowing them to withstand exposure to a wide ran…
– Low-friction surface, enhancing operational flexibility and reducing wear in dyn…
– High temperature resistance, suitable for both cryogenic and high-temperature ap…
– Available in various colors and special compounds tailored to specific requireme…
– Good elastomeric memory and low permeability to gases, making them suitable for…

Cons:
– Encapsulated O-rings are exclusively used in static applications since movement…
– Higher durometer ratings can make the O-ring more difficult to deform and instal…
– Special production sizes may be subject to increased lead times and minimum orde…

China NBR HNBR FKM PTFE O Ring Manufacturer

Product Details: The O-rings offered by JST Seals are made from various materials including NBR, HNBR, FKM, and PTFE. These O-rings have an O-shaped cross section and are widely used in hydraulic and pneumatic transmission systems. They are effective for both static and dynamic sealing applications, although their use in dynamic situations is limited by speed and pressure. The temperature range varies by material, from -32 to +204℃. The O-rings are used to prevent the leakage of liquid and gas media and can be applied in various industries such as mechanical parts, oil and gas, and chemical processing.

Pros:
– Effective and economical for both static and dynamic sealing applications
– Wide range of materials available to suit different conditions (NBR, HNBR, FKM,…
– High temperature resistance depending on the material used
– Universal media resistance, especially for FKM and PTFE materials
– Used in critical applications where sealing failure is strictly prohibited, such…

Cons:
– Limited use in high-speed and high-pressure dynamic situations
– Requires careful selection of material based on the specific application conditi…
– May require additional components like back-up rings to prevent extrusion under…

Shop From The Leading PTFE Square Ring Manufacturer

wholesale PTFE O-Ring, 0.1In – 0.21 In price

Product Details: PTFE/Teflon O-rings are made from polytetrafluoroethylene, a high molecular polymer known for its excellent heat and cold resistance, operating within a temperature range of -100°C to 280°C. They have good chemical stability, resistance to oil, water, steam, and various chemicals. These O-rings are available in various sizes, including standard sizes like AS 568, BS 1806, ISO 3601, DIN 3771, and JIS B 2401. They come in different colors such as white, black, and custom colors. PTFE O-rings are used in machinery, metallurgy, petrochemical, construction machinery, and light industrial machinery[1][4].

Pros:
– Excellent heat and cold resistance
– Good chemical stability and resistance to various media
– High mechanical strength and high-pressure resistance
– Low friction coefficient and good self-lubrication
– Long shelf life of about 20 years
– Durable and long-lasting, suitable for industrial applications

Cons:
– Not suitable for dynamic applications where high elasticity is required
– Higher cost compared to some other sealing materials
– Can have a high compression set in rigid forms
– May not provide the same level of sealing as elastomeric O-rings in certain appl…

HONY PTFE O Ring PTFE seals

Product Details: HONY® 100% Virgin PTFE O-ring seals are manufactured for both static and dynamic applications. They are widely used in coal machinery, hydraulic systems, fuel tanks, engineering machinery, compressors, and other mechanical seals. The seals have a diameter range of 1mm-1000mm, can withstand static pressure up to 40Mpa, and operate within a temperature range of -200℃ to +260℃. They are produced using CNC lathe for precision and have features such as smooth surface, superior mechanical strength, high temperature resistance, low coefficient of friction, chemical inertness, and corrosion resistance.

Pros:
– Smooth surface without threads or marks
– Superior mechanical strength
– High temperature resistance
– Low coefficient of friction and good lubrication performance
– Chemical inert and corrosion resistance
– Wear is uniform
– Low cost
– Professional production with 10 years of experience
– Efficient production using advanced equipment and strict management
– Compliant with ISO9001, TS16949, ROHS, and REACH reports
– OEM accepted with custom drawings or samples
– Fast and cheap delivery with discounts from forwarders

Cons:
– No significant cons mentioned in the product details

Comparison Table

Company	Product Details	Pros	Cons	Website
China PTFE O-Ring Supplier				www.ningeplastics.com
PTFE Encapsulated O Rings Manufacturer	Yoson PTFE encapsulated O-rings are made with a silicone rubber core encapsulated in a thin moulded layer of Teflon FEP/PFA. These o-rings are designe…	– Excellent resistance to high temperatures and pressures – High chemical resistance due to the Teflon PTFE outer layer – Good insulation properties,…	– Vulnerable to organic solvents and certain chemicals – May require specific gland design to maximize sealing performance	www.yosonseals.com
Teflon O-Rings, PTFE O-Rings China Manufacturer – Savvy	PTFE / Teflon o-rings are made from a high molecular weight polymer known as polytetrafluoroethylene. They are characterized by their high heat resist…	– High heat resistance and cold resistance, operating within a temperature range o… – Excellent chemical stability and resistance to various solvent…	– Not suitable for use as traditional rubber o-rings due to its plastic nature – Higher cost compared to other o-ring materials	savvyrubber.com
PTFE O-rings Suppliers, Manufacturers				www.seal-china.com
FEP/PFA Teflon Encapsulated O-Rings – China Manufacturer	Teflon encapsulated o-rings are a combination of silicone rubber or FKM Viton rubber on the inside and a thin Teflon FEP or Teflon PFA outer layer. Th…	– Excellent sealing performance and tightness in harsh environments. – Good resistance to solvent swelling and chemical stability, except when attacke…	– Common rubber o-rings within are easier to abrade and have poor chemical resista… – Pure Teflon encapsulated o-rings have higher hardness and poor…	savvyrubber.com
PTFE Coated FKM O-rings With Black, Green Color	PTFE coated or encapsulated O-rings are specialized sealing solutions consisting of a core material, typically silicone or Viton®, coated or encapsula…	– Excellent chemical resistance, allowing them to withstand exposure to a wide ran… – Low-friction surface, enhancing operational flexibility and re…	– Encapsulated O-rings are exclusively used in static applications since movement… – Higher durometer ratings can make the O-ring more difficult to…	www.hbmichu.com
China NBR HNBR FKM PTFE O Ring Manufacturer	The O-rings offered by JST Seals are made from various materials including NBR, HNBR, FKM, and PTFE. These O-rings have an O-shaped cross section and…	– Effective and economical for both static and dynamic sealing applications – Wide range of materials available to suit different conditions (NBR, HNB…	– Limited use in high-speed and high-pressure dynamic situations – Requires careful selection of material based on the specific application conditi……	www.jst-seals.com
Shop From The Leading PTFE Square Ring Manufacturer				www.ningeplastics.com
wholesale PTFE O-Ring, 0.1In – 0.21 In price	PTFE/Teflon O-rings are made from polytetrafluoroethylene, a high molecular polymer known for its excellent heat and cold resistance, operating within…	– Excellent heat and cold resistance – Good chemical stability and resistance to various media – High mechanical strength and high-pressure resistance…	– Not suitable for dynamic applications where high elasticity is required – Higher cost compared to some other sealing materials – Can have a high com…	www.sukoptfe.com
HONY PTFE O Ring PTFE seals	HONY® 100% Virgin PTFE O-ring seals are manufactured for both static and dynamic applications. They are widely used in coal machinery, hydraulic syste…	– Smooth surface without threads or marks – Superior mechanical strength – High temperature resistance – Low coefficient of friction and good lubricat…	– No significant cons mentioned in the product details	www.honyplastic.com

Frequently Asked Questions (FAQs)

What are the key benefits of using PTFE encapsulated O-rings in industrial applications?

PTFE encapsulated O-rings offer several key benefits, including excellent chemical resistance, high temperature and pressure tolerance, and a low friction coefficient. These features make them ideal for harsh industrial environments where standard rubber O-rings might fail. They also provide dependable sealing and are compatible with a wide range of media, including corrosive chemicals and abrasive materials.

How do PTFE encapsulated O-rings differ from pure PTFE O-rings?

PTFE encapsulated O-rings combine the chemical strength of PTFE with the elasticity of rubber. Unlike pure PTFE O-rings, which are hard and lack elasticity, encapsulated O-rings have a rubber core (often silicone or Viton) covered by a thin layer of PTFE. This design ensures both good chemical resistance and the necessary flexibility for effective sealing in various applications.

What industries commonly use PTFE encapsulated O-rings?

PTFE encapsulated O-rings are widely used in several industries, including pharmaceutical, food processing, automotive, and petrochemical. They are also common in machinery and equipment such as pumps, valves, and turbo expanders. Their versatility and performance make them a preferred choice for applications requiring high reliability and resistance to extreme conditions.

Can I customize PTFE encapsulated O-rings to fit specific needs?

Yes, you can customize PTFE encapsulated O-rings to fit your specific needs. Many manufacturers in China, such as Yoson and Savvy, offer custom design and production services. You can specify the size, material, color, and other specifications to ensure the O-rings meet your particular application requirements.

What is the typical delivery time for PTFE encapsulated O-rings from Chinese manufacturers?

The typical delivery time for PTFE encapsulated O-rings from Chinese manufacturers can vary but generally ranges from 7 to 10 days. This timeframe can depend on the complexity of the order, the manufacturer’s production schedule, and the shipping arrangements. Some manufacturers also offer expedited delivery options for urgent orders.