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 the top PTFE O-ring factories in China, highlighting their unique features, product ranges, and what sets them apart. Let’s dive in and find the perfect fit for your needs.

China PTFE O-Ring Supplier

Product Details: PTFE O-rings are made from polytetrafluoroethylene, a fluoropolymer known for its high chemical resistance, low friction coefficient, and wide temperature range. They are typically white, non-porous, and FDA compliant. PTFE O-rings can operate continuously between -200°C to 260°C and exhibit excellent thermal and electrical insulation properties. They are often used in chemical processing, pharmaceutical, food, and laboratory environments due to their inertness and resistance to acids, bases, solvents, and oils.

Pros:
– Excellent chemical resistance against a wide range of chemicals, including acids…
– Low friction coefficient, allowing for easy movement and minimal wear.
– Wide temperature range of -200°C to 260°C without losing mechanical properties.
– Non-porous, making them easy to clean and sterilize.
– High heat resistance and thermal insulation properties.
– Suitable for use in the food and pharmaceutical industries due to their non-toxi…

Cons:
– Low mechanical properties compared to other plastics, which can be improved with…
– Higher tendency to creep and deform under constant pressure, leading to potentia…
– Require precise machining and installation due to their rigidity and brittleness…
– Not recommended for applications requiring a soft, conforming seal.
– Lack of elastic recovery, which can complicate their use in dynamic seals.

PTFE O-rings Suppliers, Manufacturers

Product Details: PTFE coated or encapsulated O-rings are made from materials such as FKM (Viton) or silicone rubber coated with a thin layer of PTFE. They are designed for high-friction and aggressive chemical applications, offering excellent sealing properties, high temperature resistance, and low coefficient of friction. These O-rings are suitable for various industrial fields including air compressors, engines, heat conduction oil pumps, vacuum pumps, and chemical pumps. They operate effectively under extreme pressures and temperatures, ranging from -200°C to +260°C or -100°C to +280°C depending on the specific type[1][3][5].

Pros:
– Excellent chemical resistance and corrosion resistance
– High temperature resistance and low coefficient of friction
– Good lubrication performance and low insertion force for easier installation
– FDA-approved for use in food and pharmaceutical applications
– Durable and long-lasting, ideal for industrial applications
– Low permeability to gases and good insulation properties
– Non-contaminating content, suitable for sanitary and petrochemical industries

Cons:
– Vulnerable to organic solvents and certain chemicals
– May have higher cost compared to traditional elastomeric O-rings
– Limited flexibility in some dynamic applications due to the PTFE coating

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 good wear resistance. The standard durometer hardness is Shore A 90, and they come in various colors and cross-section shapes. The cross-section width ranges from 0.5 to 20 mm (0.020 to 0.787 inch), and the inside diameter ranges from 0.7 to 2965 mm (0.028 to

116.732 inch). 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
– Good wear resistance and low friction coefficient
– Non-toxic and self-lubricating properties
– Wide range of applications including machinery, metallurgy, and petrochemical in…

Cons:
– Fixed durometer hardness which may limit flexibility in certain applications
– Higher cost compared to other types of o-rings
– Shelf life is about 20 years, which is relatively long but may not be a con for…

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: PTFE O-Ring, AS568 Dash Number 114 and 336. Actual Width: 0.103 In. – 0.210 In., Actual Inside Dia.: 0.612 In. – 2.850 In., Outside Dia.: 0.818 In. – 3.270 In. Cross Section Shape: Round, Durometer Rating: Very Hard, Durometer: 55 Shore D, Nominal Width: 3/32 In. – 3/16 In., Nominal Inside Dia.: 5/8 In. – 2-7/8 In., Nominal Outside Dia.: 13/16 In. – 3-1/4 In., Color: White, Temp. Range: -100 Degrees to 500 Degrees F.

Pros:
– High temperature resistance: Operates within a temperature range of -100 Degrees…
– Chemical resistance: Made from PTFE, which is highly resistant to chemicals.
– Low friction: PTFE material provides a low coefficient of friction.
– Durability: Very hard durometer rating of 55 Shore D ensures long-lasting perfor…
– Versatile sizing: Available in various sizes, including custom dimensions.

Cons:
– Limited flexibility: PTFE O-Rings are very hard and may not be suitable for appl…
– Higher cost: Compared to other materials, PTFE O-Rings can be more expensive.

China NBR HNBR FKM PTFE O Ring Manufacturer

Product Details: O-rings are seals with a solid rubber or PTFE material and an O-shaped cross section. They are widely used in hydraulic and pneumatic transmission systems to prevent the leakage of liquid and gas media under static conditions. They can also be used as dynamic sealing elements for axial reciprocating motion and low-speed rotating motion. The materials available include NBR, HNBR, VITON, AFLS, EPDM, PU, FFKM, and PTFE. The working temperature range varies depending on the material, typically from -32 to +204°C, and they are suitable for media such as oil, water, air, and gas.

Pros:
– Effective and economical for both static and dynamic sealing applications.
– Available in various materials to suit different conditions.
– Initial compression provides inherent sealing ability, which increases with syst…
– Used in a wide range of industries including construction, oil and gas, semicond…

Cons:
– Limited by speed and pressure in dynamic sealing situations.
– Not suitable for all types of media; for example, HNBR o-rings are not preferabl…

PTFE Coated FKM O-rings With Black, Green Color

Product Details: PTFE coated or encapsulated O-rings consist of a core material, typically silicone or FKM (Viton®), coated or encapsulated 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. They operate effectively in a wide temperature range, typically from -60°C to +260°C (-76°F to +500°F), and are available in various colors including black, red, and others. 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[2][4][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…
– Suitable for both cryogenic and high-temperature applications.
– Ideal for demanding environments requiring low friction and high chemical resist…
– Available in various colors and special compounds tailored to specific requireme…

Cons:
– Encapsulated O-rings are exclusively used in static applications since movement…
– The PTFE coating can be damaged if the O-ring is subjected to excessive mechanic…
– Installation requires careful handling to avoid damaging the PTFE shell, especia…

China PTFE O Ring Seal Manufacturer and Supplier, Factory

Product Details: PTFE O-rings are mechanical seals made from polytetrafluoroethylene (PTFE), a synthetic polymer known for its chemical resistance, high and low temperature capabilities, and low friction. They are used to seal passages and protect against leaks in various applications, including hoses, pipes, and fluid-carrying passages. PTFE O-rings are available in different sizes and grades, such as FEP and PFA, and can be enhanced with fillers like glass fibers, carbon, and graphite to improve mechanical properties.

Pros:
– High chemical resistance to most corrosive elements and chemical agents, includi…
– Excellent heat and cold resistance, with a temperature range of -260°C to +200°C…
– Low friction and wear resistance, making them suitable for use in moving systems…
– Non-toxic and can be sterilized, making them suitable for pharmaceutical and med…
– Electrical insulation properties and high dielectric strength.
– Do not stick, burn, or absorb moisture.

Cons:
– Not suitable for use with liquid alkali metals, fluorine gas, or extremely poten…
– Higher hardness compared to elastomeric O-rings, which can negatively affect sea…
– Inelastic nature means they do not conform easily to mating hardware surfaces an…
– Higher leakage rate compared to elastomeric compounds under normal conditions.
– Not recommended for dynamic seals or applications requiring frequent opening and…

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 sizes. These O-rings are known for their excellent chemical resistance, low friction coefficient, and high temperature resistance. They can operate continuously from -200°C to 250°C or up to 280°C in some cases. PTFE O-rings are FDA compliant and have good mechanical strength, high-pressure resistance, and self-lubrication properties.

Pros:
– Excellent chemical resistance to most chemicals, including acids, bases, and sol…
– Low friction coefficient, allowing for easy movement and minimal wear.
– High temperature resistance, operating from -200°C to 250°C or up to 280°C.
– Good mechanical strength and high-pressure resistance.
– Self-lubrication properties and non-toxicity.
– FDA compliant, suitable for food, pharmaceutical, and laboratory applications.

Cons:
– PTFE is not a resilient material, which can lead to issues like cold flow.
– May require special filled PTFE compounds for severe-duty situations.
– Can be more expensive compared to other O-ring materials.
– Limited elasticity compared to rubber O-rings.

PTFE O Ring

Comparison Table

Company	Product Details	Pros	Cons	Website
China PTFE O-Ring Supplier	PTFE O-rings are made from polytetrafluoroethylene, a fluoropolymer known for its high chemical resistance, low friction coefficient, and wide tempera…	– Excellent chemical resistance against a wide range of chemicals, including acids… – Low friction coefficient, allowing for easy movement and minim…	– Low mechanical properties compared to other plastics, which can be improved with… – Higher tendency to creep and deform under constant pressure, l…	www.ningeplastics.com
PTFE O-rings Suppliers, Manufacturers	PTFE coated or encapsulated O-rings are made from materials such as FKM (Viton) or silicone rubber coated with a thin layer of PTFE. They are designed…	– Excellent chemical resistance and corrosion resistance – High temperature resistance and low coefficient of friction – Good lubrication performance…	– Vulnerable to organic solvents and certain chemicals – May have higher cost compared to traditional elastomeric O-rings – Limited flexibility in som…	www.seal-china.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…	– Fixed durometer hardness which may limit flexibility in certain applications – Higher cost compared to other types of o-rings – Shelf life is about…	savvyrubber.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 lubri…		www.honyplastic.com
wholesale PTFE O-Ring, 0.1In – 0.21 In price	PTFE O-Ring, AS568 Dash Number 114 and 336. Actual Width: 0.103 In. – 0.210 In., Actual Inside Dia.: 0.612 In. – 2.850 In., Outside Dia.: 0.818 In. -…	– High temperature resistance: Operates within a temperature range of -100 Degrees… – Chemical resistance: Made from PTFE, which is highly resistant…	– Limited flexibility: PTFE O-Rings are very hard and may not be suitable for appl… – Higher cost: Compared to other materials, PTFE O-Rings can be…	www.sukoptfe.com
China NBR HNBR FKM PTFE O Ring Manufacturer	O-rings are seals with a solid rubber or PTFE material and an O-shaped cross section. They are widely used in hydraulic and pneumatic transmission sys…	– Effective and economical for both static and dynamic sealing applications. – Available in various materials to suit different conditions. – Initial…	– Limited by speed and pressure in dynamic sealing situations. – Not suitable for all types of media; for example, HNBR o-rings are not preferabl…	www.jst-seals.com
PTFE Coated FKM O-rings With Black, Green Color	PTFE coated or encapsulated O-rings consist of a core material, typically silicone or FKM (Viton®), coated or encapsulated with a thin layer of PTFE….	– 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… – The PTFE coating can be damaged if the O-ring is subjected to e…	www.hbmichu.com
China PTFE O Ring Seal Manufacturer and Supplier, Factory	PTFE O-rings are mechanical seals made from polytetrafluoroethylene (PTFE), a synthetic polymer known for its chemical resistance, high and low temper…	– High chemical resistance to most corrosive elements and chemical agents, includi… – Excellent heat and cold resistance, with a temperature range o…	– Not suitable for use with liquid alkali metals, fluorine gas, or extremely poten… – Higher hardness compared to elastomeric O-rings, which can neg…	m.ymsealing.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, including acids, bases, and sol… – Low friction coefficient, allowing for easy movement and minim…	– PTFE is not a resilient material, which can lead to issues like cold flow. – May require special filled PTFE compounds for severe-duty situations. -…	www.tenglongsealingss.com
PTFE O Ring				www.ptfe-suppliers.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. They combine the sealing qualities of rubber O-rings with the chemical strength of Teflon, making them ideal for harsh industrial environments. These O-rings are highly resistant to chemicals, extreme temperatures, and abrasion, and they also have a low friction coefficient, which makes them perfect for applications requiring high reliability and durability.

What is the typical temperature range for PTFE O-rings?

PTFE O-rings can operate over a wide temperature range, typically from -100°C to 280°C. This makes them suitable for applications involving high temperatures, such as in machinery, valves, and other industrial equipment. Their ability to withstand both extreme cold and heat ensures reliable performance in various conditions.

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

PTFE encapsulated O-rings differ from pure PTFE O-rings in that they have a rubber core (often silicone or Viton) encapsulated in a thin layer of Teflon FEP or PFA. This combination provides the elasticity and sealing properties of rubber along with the chemical and heat resistance of Teflon, making them more versatile and effective in dynamic sealing applications.

What industries commonly use PTFE encapsulated O-rings?

PTFE encapsulated O-rings are widely used in various industries, including pharmaceutical, food processing, automotive, and petrochemical. They are also common in applications involving pumps, valves, reaction vessels, and other machinery where reliable sealing under harsh conditions is crucial.

How can I ensure the quality and reliability of PTFE O-rings from Chinese manufacturers?

To ensure the quality and reliability of PTFE O-rings from Chinese manufacturers, look for suppliers with strict quality control processes, ISO certifications (such as ISO 9001), and extensive experience in manufacturing. You can also request free samples for testing and check customer reviews or testimonials to verify the manufacturer’s reputation and product quality.