Are you looking for the best PTFE O-ring manufacturers in China? With so many options available, choosing the right one can be daunting. In this article, we’ll compare some of the top PTFE O-ring factories in China, highlighting their unique features, strengths, and the industries they serve. From Dechengwang’s high-performance PTFE O-rings to Yoson’s customizable encapsulated O-rings, and Rayflon’s engineered PTFE seals, we’ll

PTFE Encapsulated O Rings Manufacturer

Product Details: Yoson PTFE encapsulated O-rings are designed to withstand extreme conditions, integrating the sealing qualities of a rubber O-ring with the chemical strength of Teflon PTFE. They are typically made of silicone rubber encapsulated in a thin moulded layer of Teflon FEP/PFA. These O-rings are available in numerous sizes, designs, colors, and specifications. They are FDA-approved, making them suitable for the pharmaceutical sector, food processing, and other hygienic applications. They operate effectively under extreme pressures of up to 35 BARS, high temperatures, and in abrasive or dry media. The O-rings are also lubricant-compatible and used in various industrial fields such as

submersible pumps, flanges, swivels, valve stems, and cryogenic seals.

Pros:
– Excellent tight sealing under extreme pressures of up to 35 BARS
– High resistance to corrosive media and chemical attacks
– FDA-approved for use in pharmaceutical, food, and hygienic applications
– Lubricant-compatible and suitable for abrasive or dry media
– Good insulation properties, low contact pressure, and adaptability
– Temperature resistance with a wide temperature range
– High hardness and little moisture permeability
– Custom sizes and designs available, including rectangular, oval, and square cros…

Cons:
– Vulnerable to organic solvents and certain chemicals
– May require specific gland design to maximize sealing without over-compressing

China PTFE O-Ring Supplier

Product Details: PTFE O-rings are made from polytetrafluoroethylene, a high molecular weight polymer known for its excellent chemical resistance and low friction coefficient. They are available in various standard and metric sizes, and can be customized to meet specific sealing needs. PTFE O-rings are FDA compliant and suitable for use in extreme temperatures ranging from -200°C to 250°C.

Pros:
– High chemical resistance to most chemicals, including acids, bases, and solvents…
– Low friction coefficient, allowing for easy movement and minimal wear.
– Non-toxic and FDA compliant according to 21 CFR FDA § 177.1550.
– High heat resistance and suitable for use in extreme temperatures.
– Anti-adhesiveness and dielectric properties.

Cons:
– Not suitable for use with molten alkali metals and elemental fluorine.
– May have limited compressive strength compared to other materials.
– Can be more expensive than O-rings made from other materials.

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

Product Details: PTFE / Teflon o-rings are made from polytetrafluoroethylene, a high molecular weight polymer. They have a temperature range of -100 °C (-148 °F) to 280°C (536 °F). These o-rings are known for their high heat and cold resistance, chemical stability, and resistance to various solvents and media. They possess high mechanical strength, high-pressure resistance, and a low friction coefficient. The standard durometer hardness is Shore A 90, and they come in various colors and cross-section shapes. The shelf life is about 20 years, and they are widely used in machinery, metallurgy, petrochemical, construction machinery, and other fields[3].

Pros:
– High heat and cold resistance
– Excellent chemical stability and resistance to various solvents and media
– High mechanical strength and high-pressure resistance
– Low friction coefficient and good self-lubrication
– Non-toxic and dielectric properties
– Good wear resistance and long shelf life

Cons:
– Not suitable for all applications due to specific material properties
– Higher cost compared to other types of o-rings

PTFE O-rings Suppliers, Manufacturers

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, though 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, each with specific temperature and media resi…
– Simple mounting requirements and reliable performance
– Used in critical applications where sealing failure is strictly prohibited, such…

Cons:
– Limited by speed and pressure in dynamic sealing situations
– Requires careful selection of material based on specific conditions to ensure op…
– May not be suitable for high-speed rotating motions or high-pressure application…

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 up to 200 ℃ for high-temperature applications. They are available in various standard and custom sizes, including AS, BS, JIS, and metric diameters.

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

Cons:
– Higher hardness and lower elasticity compared to pure rubber o-rings.
– The Teflon outer layer can be stiff, requiring special groove design considerati…
– May be more prone to hardening and brittleness without the protective rubber cor…

PTFE Coated FKM O-rings With Black, Green Color

Product Details: PTFE coated O-rings consist of a core material, typically FKM (Viton) or silicone, encapsulated or coated with a thin layer of PTFE. These O-rings are available in standard and custom sizes, with cross-section thicknesses ranging from 0.5mm to 30mm and inner diameters from 0.5mm to over 2000mm. They comply with various standards such as AS568, BS1516, and ISO3601. The PTFE coating enhances the O-ring’s performance by reducing wear and friction in dynamic applications and providing high chemical resistance.

Pros:
– Operate effectively in a wide temperature range from -60°C to +260°C (-76°F to +…
– Offer excellent chemical resistance, allowing them to withstand exposure to a wi…
– Provide a low-friction surface, enhancing operational flexibility and reducing w…
– Available in various colors and can be customized to meet specific requirements.

Cons:
– Encapsulated O-rings are exclusively used in static applications because movemen…
– May require special handling and installation techniques to avoid damaging the P…

HONY PTFE O Ring PTFE seals

Product Details: HONY® 100% Virgin PTFE O-rings 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 O-rings have a diameter range of 1mm-1000mm, can withstand static pressure of 40Mpa, and operate within a temperature range of -200℃ to +260℃. Small diameter sections are available through CNC lathe precision. The O-rings are packaged in export carton pallets and can be transported via ocean, land, air, or express. Payment options include T/T, Paypal, Money Gram, and Western Union, with Incoterms such as FOB, CFR, CIF, EXW,

and DDU.

Pros:
– Smooth surface without threads or marks
– Superior mechanical strength
– High temperature resistance
– Low coefficient of friction and good lubrication performance
– Chemically inert and corrosion-resistant
– Uniform wear
– Low cost
– Professional service with over 10 years of experience
– Efficient production with advanced equipment and strict management
– ISO9001 & TS16949, ROHS, REACH compliance
– OEM accepted with provided drawings or samples
– Fast and cheap delivery with discounts from forwarders

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

Product Details: The PTFE O-Ring products described have the following specifications: They are made from PTFE material, with durometer ratings of 55 Shore D, indicating a very hard durometer rating. The cross section shape is round. The actual widths range from 0.103 inches to 0.210 inches, with corresponding inside and outside diameters. The nominal widths are 3/32 inches to 3/16 inches, and the nominal inside and outside diameters range from 5/8 inches to 2-7/8 inches and 13/16 inches to 3-1/4 inches, respectively. The temperature range is from -100 degrees to 500 degrees Fahrenheit. The products are available in white color and follow

SAE standards with AS568 Dash Numbers 114 and 336[4].

Pros:
– High temperature resistance, ranging from -100 degrees to 500 degrees Fahrenheit…
– Very hard durometer rating of 55 Shore D, indicating high durability.
– Excellent chemical resistance due to PTFE material.
– Available in various sizes to fit different applications.
– Compatible with a wide range of fluids, including water, oil, and air.

Cons:
– The very hard durometer rating may make the O-rings less flexible compared to so…
– Higher cost compared to O-rings made from other materials like rubber or silicon…
– Installation might be more challenging due to the hardness of the material.

China PTFE O Ring Manufacturers and Supplier

Product Details: PTFE O-rings are made from polytetrafluoroethylene (PTFE), also known as Teflon. They are available in various sizes and shapes, including standard AS568 sizes and custom specifications. These O-rings are FDA compliant and exhibit excellent chemical resistance, low friction coefficients, and high heat and cold resistance. They can operate in a temperature range from -200°C to 280°C and are resistant to oils, water, acids, bases, and many solvents.

Pros:
– Excellent chemical resistance to most chemicals and solvents
– Low friction coefficient, allowing for easy movement and minimal wear
– High heat and cold resistance, suitable for extreme temperature conditions
– Non-toxic and FDA compliant
– Good self-lubrication properties
– High mechanical strength and good wear resistance

Cons:
– Generally more expensive than other O-ring materials
– Lower elasticity modulus compared to rubber O-rings, which can affect sealing pe…
– May not provide the same level of sealing pressure as other materials due to low…

Comparison Table

Company	Product Details	Pros	Cons	Website
PTFE Encapsulated O Rings Manufacturer	Yoson PTFE encapsulated O-rings are designed to withstand extreme conditions, integrating the sealing qualities of a rubber O-ring with the chemical s…	– Excellent tight sealing under extreme pressures of up to 35 BARS – High resistance to corrosive media and chemical attacks – FDA-approved for use in…	– Vulnerable to organic solvents and certain chemicals – May require specific gland design to maximize sealing without over-compressing	www.yosonseals.com
China PTFE O-Ring Supplier	PTFE O-rings are made from polytetrafluoroethylene, a high molecular weight polymer known for its excellent chemical resistance and low friction coeff…	– High chemical resistance to most chemicals, including acids, bases, and solvents… – Low friction coefficient, allowing for easy movement and minim…	– Not suitable for use with molten alkali metals and elemental fluorine. – May have limited compressive strength compared to other materials. – Can be…	www.ningeplastics.com
Teflon O-Rings, PTFE O-Rings China Manufacturer – Savvy	PTFE / Teflon o-rings are made from polytetrafluoroethylene, a high molecular weight polymer. They have a temperature range of -100 °C (-148 °F) to 28…	– High heat and cold resistance – Excellent chemical stability and resistance to various solvents and media – High mechanical strength and high-pressu…	– Not suitable for all applications due to specific material properties – Higher cost compared to other types of o-rings	savvyrubber.com
PTFE O-rings Suppliers, Manufacturers				www.seal-china.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, each with specific temperature and me…	– Limited by speed and pressure in dynamic sealing situations – Requires careful selection of material based on specific conditions to ensure op… -…	www.jst-seals.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, especially in harsh media. – Good resistance to solvent swelling and chemical stability, except when at…	– Higher hardness and lower elasticity compared to pure rubber o-rings. – The Teflon outer layer can be stiff, requiring special groove design conside…	savvyrubber.com
PTFE Coated FKM O-rings With Black, Green Color	PTFE coated O-rings consist of a core material, typically FKM (Viton) or silicone, encapsulated or coated with a thin layer of PTFE. These O-rings are…	– Operate effectively in a wide temperature range from -60°C to +260°C (-76°F to +… – Offer excellent chemical resistance, allowing them to withstan…	– Encapsulated O-rings are exclusively used in static applications because movemen… – May require special handling and installation techniques to av…	www.hbmichu.com
HONY PTFE O Ring PTFE seals	HONY® 100% Virgin PTFE O-rings are manufactured for both static and dynamic applications. They are widely used in coal machinery, hydraulic systems, f…	– Smooth surface without threads or marks – Superior mechanical strength – High temperature resistance – Low coefficient of friction and good lubricat…		www.honyplastic.com
wholesale PTFE O-Ring, 0.1In – 0.21 In price	The PTFE O-Ring products described have the following specifications: They are made from PTFE material, with durometer ratings of 55 Shore D, indicati…	– High temperature resistance, ranging from -100 degrees to 500 degrees Fahrenheit… – Very hard durometer rating of 55 Shore D, indicating high dura…	– The very hard durometer rating may make the O-rings less flexible compared to so… – Higher cost compared to O-rings made from other materials like…	www.sukoptfe.com
China PTFE O Ring Manufacturers and Supplier	PTFE O-rings are made from polytetrafluoroethylene (PTFE), also known as Teflon. They are available in various sizes and shapes, including standard AS…	– Excellent chemical resistance to most chemicals and solvents – Low friction coefficient, allowing for easy movement and minimal wear – High heat and…	– Generally more expensive than other O-ring materials – Lower elasticity modulus compared to rubber O-rings, which can affect sealing pe… – May not…	www.tenglongsealingss.com

Frequently Asked Questions (FAQs)

Frequently Asked Questions About PTFE O-Ring Factories in China

What are the key benefits of using PTFE encapsulated o-rings?

PTFE encapsulated o-rings offer several key benefits, including high chemical resistance, excellent heat and cold resistance, and a low friction coefficient. They combine the sealing qualities of rubber o-rings with the chemical strength of Teflon, making them ideal for high-friction and harsh industrial applications. These o-rings are also FDA-approved, making them suitable for use in the pharmaceutical and food industries.

What temperature range can PTFE o-rings operate in?

PTFE o-rings are highly versatile when it comes to temperature. They can operate effectively in a wide temperature range, from -100°C to 280°C (-148°F to 536°F). This makes them suitable for applications involving extreme temperatures, such as in cryogenic seals, turbo pumps, and other high-temperature environments.

Can I customize PTFE o-rings according to my specific needs?

Yes, you can customize PTFE o-rings to fit your specific requirements. Many manufacturers in China, such as Yoson Seals, offer custom PTFE encapsulated o-rings based on your unique specifications. You can choose different materials, designs, sizes, and even custom labels for brand recognition. This ensures that the o-rings meet your exact needs for various industrial applications.

What industries commonly use PTFE o-rings?

PTFE o-rings are widely used in several industries due to their robust properties. These include the fluid and gas industry, automotive sector, food processing machinery, and various industrial fields like metallurgy, petrochemical, and construction machinery. They are particularly useful in applications requiring high sealing performance and resistance to corrosive media.

How do I find a reliable PTFE o-ring manufacturer in China?

To find a reliable PTFE o-ring manufacturer in China, look for companies with extensive experience, good reputation, and certifications like ISO 9001. Check for customer reviews and testimonials to ensure the manufacturer delivers high-quality products and reliable services. Websites like Made-in-China and industry-specific directories can also help you find trusted suppliers with audited profiles and positive feedback.