Are you looking for the best Teflon O-ring factories in China? If so, you’re in the right place. In this article, we’ll compare some of the top manufacturers, highlighting their strengths, product ranges, and what sets them apart in the industry. Let’s dive in and find the perfect fit for your needs.

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, good wear resistance, and a low friction coefficient. The durometer hardness is fixed at Shore A 90, and they come in various colors and cross-section shapes. Standard sizes include AS 568, BS 1806, ISO 3601, DIN 3771, and JIS B 2401. The shelf life is about

20 years[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 anti-adhesive properties
– Good self-lubrication and dielectric properties

Cons:
– Not suitable for all low-temperature applications, with limited flexibility belo…
– Higher cost compared to other materials

China PTFE O-Ring Supplier

Product Details: PTFE O-rings are made from polytetrafluoroethylene (PTFE), 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, inert to most chemicals except molten alkali metals an…
– Low friction coefficient, allowing for easy movement and minimal wear.
– High heat resistance, can be used continuously up to 250°C (482°F).
– Non-toxic and FDA compliant according to 21 CFR FDA § 177.1550.
– Resists oil, water, acids, bases, and many solvents.

Cons:
– Limited tensile and compressive strength compared to other materials.
– May not be suitable for applications requiring high mechanical strength or elast…
– Can be more expensive than O-rings made from other materials.

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 offer excellent tight sealing under extreme pressures of 35 BARS, making them ideal for various industrial fields. They are FDA-approved, lubricant-compatible, and can operate in abrasive or dry media. Available in numerous sizes, including custom and standard AS568 dimensions, these O-rings are used in applications such as flanges, swivels, valve stems, pumps, cryogenic seals, and more.

Pros:
– Excellent resistance to high temperatures and pressures
– High chemical resistance and corrosion resistance
– 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
– Available in various designs, sizes, colors, and specifications
– Custom sizes and designs available upon request

Cons:
– Vulnerable to organic solvents and certain chemicals
– May require custom gland design to maximize sealing performance
– Can be over-compressed, which can shorten seal life

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. These O-rings combine the sealing properties of rubber with the chemical resistance and low friction of PTFE. They are suitable for high-pressure, high-temperature, and aggressive chemical applications. The temperature range for these O-rings is typically -200°C to +260°C. They are used in various industrial fields including air compressors, engines, heat conduction oil pumps, vacuum pumps, and chemical pumps[1][3][4].

Pros:
– Excellent chemical resistance and low friction coefficient
– High temperature resistance and suitability for harsh environments
– Good elastomeric memory and low insertion force for easy installation
– FDA-approved for use in food and pharmaceutical applications
– High mechanical strength and good wear resistance
– Low permeability to gases and good insulation properties

Cons:
– Vulnerable to organic solvents and certain chemicals
– May not be suitable for all dynamic applications due to potential wear
– Higher cost compared to traditional elastomeric O-rings

Teflon Encapsulated Silicone O-rings

Product Details: Teflon® encapsulated o-rings consist of a seamless and uniform Teflon® encapsulation that completely encloses a rubber core material, available in silicone, Viton®, and EPDM. These o-rings are designed for harsh sealing environments and offer a broad working temperature range and robust chemical resistance. They are available in various cross-section sizes, including AS568, metric, and JIS standards, with custom sizes available upon request. The Teflon® layer can be either FEP or PFA, each with different temperature and chemical resistance properties.

Pros:
– Virtually chemically inert and resistant to compression set
– High chemical resistance against acids, bases, solvents, and corrosive materials
– Low friction and non-stick surface
– Excellent electrical insulation properties and durability
– Wide temperature range, with FEP operating from -75°F to 400°F and PFA up to 500…
– FDA and USP compliant, suitable for food processing and life sciences
– Low water absorption and minimal gas release
– Available in solid-core and hollow-core designs for different application needs

Cons:
– PFA encapsulation compromises compressibility due to its tougher nature
– Potential for colorings and fillers to transfer into fluids in PFA grades
– Higher cost compared to standard elastomeric o-rings
– PTFE is less compressible than elastomers and may exhibit creep under load

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 depends on the material, typically from -32 to +204°C, and they can handle 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…

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

Product Details: PTFE O-Rings are manufactured from polytetrafluoroethylene (PTFE) with the following specifications: Material: PTFE, Temperature Range: -100 Degrees to 500 Degrees F, Durometer Rating: Very Hard, Durometer: 55 Shore D, Cross Section Shape: Round. The nominal width ranges from 3/32 In. to 3/16 In., and the nominal inside diameter ranges from 5/8 In. to 2-7/8 In. The nominal outside diameter ranges from 13/16 In. to 3-1/4 In. The actual width is between 0.103 In. and 0.210 In., and the actual inside diameter is between 0.612 In. and 2.850 In. The outside diameter is between 0.818 In. and 3.270 In. The color

is white, and the AS568 Dash Number varies depending on the size[4].

Pros:
– High temperature resistance (-100 Degrees to 500 Degrees F)
– Very hard durometer rating (55 Shore D) for high mechanical strength
– Excellent chemical stability and resistance to various media including water, oi…
– Low friction coefficient and good self-lubrication properties
– Available in various sizes and custom dimensions
– High-quality and durable, suitable for long-term use

Cons:
– Very hard durometer rating may make it less flexible compared to other materials
– Higher cost compared to some other sealing materials
– May not be suitable for dynamic applications where high elasticity is required

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 and inner diameters from 16mm to 400mm. They comply with various standards such as AS568, BS1516, JIS B 2401, and ISO3601/1. The PTFE coating enhances the O-ring’s performance by providing low friction and high chemical resistance, and they operate effectively in a wide temperature range from -60°C to +260°C (-76°F to +500°F)[2][3][4].

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.
– Maintain the properties of the core material while adding the benefits of PTFE.
– Available in various colors and can be tailored to 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…
– Higher cost compared to standard O-rings due to the additional PTFE coating or e…

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 are silicone or Viton, while 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 types. They are manufactured using a special technique to ensure the Teflon material completely encases the rubber core, maintaining standard tolerances and quality control. These o-rings are used in static and dynamic seals and are applicable in harsh environments

such as pumps, valves, reaction vessels, and more.

Pros:
– Excellent sealing performance and tightness.
– Good resistance to solvent swelling and chemical stability, except for attacks b…
– Low friction coefficient (0.1~0.2) and excellent resistance to gas permeation.
– Maintain good elasticity at high temperatures due to the inner core of silicone…
– High compression resistance and resistance to hardening and brittleness.
– Wide range of applications in harsh sealing environments, including pumps, valve…

Cons:
– Common rubber o-rings inside may abrade easily and have poor chemical resistance…
– Pure Teflon o-rings have higher hardness and poor elasticity, though this is mit…
– May be affected by metals, fluorine, and some halides at high temperatures.

Shop From The Leading PTFE Square Ring Manufacturer

Product Details: PTFE square rings are sealing devices made from Polytetrafluoroethylene (PTFE), known for their unique properties. They have a square-shaped cross-section and are interchangeable with O-rings in many applications. PTFE square rings are chemically inert, non-toxic, and have a wide temperature range of -100°F to 450°F or up to 482°F in some cases. They are highly resistant to chemicals, solvents, and gases, and offer high heat resistance, low friction, and anti-adhesiveness.

Pros:
– High chemical resistance and inertness
– Wide temperature range (-100°F to 450°F or up to 482°F)
– Non-toxic and suitable for food, pharmaceutical, and chemical industries
– High heat resistance and low friction
– Interchangeable with O-rings in many applications
– Provides more sealing surface area compared to traditional O-rings

Cons:
– Rigid and better suited for static applications rather than dynamic ones
– May not be as flexible as other materials like rubber compounds
– Can be more expensive than some other sealing materials

Comparison Table

Company	Product Details	Pros	Cons	Website
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 low-temperature applications, with limited flexibility belo… – Higher cost compared to other materials	savvyrubber.com
China PTFE O-Ring Supplier	PTFE O-rings are made from polytetrafluoroethylene (PTFE), a high molecular weight polymer known for its excellent chemical resistance and low frictio…	– High chemical resistance, inert to most chemicals except molten alkali metals an… – Low friction coefficient, allowing for easy movement and minim…	– Limited tensile and compressive strength compared to other materials. – May not be suitable for applications requiring high mechanical strength or e…	www.ningeplastics.com
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 resistance to high temperatures and pressures – High chemical resistance and corrosion resistance – FDA-approved for use in pharmaceutical…	– Vulnerable to organic solvents and certain chemicals – May require custom gland design to maximize sealing performance – Can be over-compressed, whi…	www.yosonseals.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. These O-rings com…	– Excellent chemical resistance and low friction coefficient – High temperature resistance and suitability for harsh environments – Good elastomeric m…	– Vulnerable to organic solvents and certain chemicals – May not be suitable for all dynamic applications due to potential wear – Higher cost compared…	www.seal-china.com
Teflon Encapsulated Silicone O-rings	Teflon® encapsulated o-rings consist of a seamless and uniform Teflon® encapsulation that completely encloses a rubber core material, available in sil…	– Virtually chemically inert and resistant to compression set – High chemical resistance against acids, bases, solvents, and corrosive materials – Low…	– PFA encapsulation compromises compressibility due to its tougher nature – Potential for colorings and fillers to transfer into fluids in PFA grades…	www.svks-rubberseal.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
wholesale PTFE O-Ring, 0.1In – 0.21 In price	PTFE O-Rings are manufactured from polytetrafluoroethylene (PTFE) with the following specifications: Material: PTFE, Temperature Range: -100 Degrees t…	– High temperature resistance (-100 Degrees to 500 Degrees F) – Very hard durometer rating (55 Shore D) for high mechanical strength – Excellent chemi…	– Very hard durometer rating may make it less flexible compared to other materials – Higher cost compared to some other sealing materials – May not be…	www.sukoptfe.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 because movemen… – May require special handling and installation techniques to av…	www.hbmichu.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. – Good resistance to solvent swelling and chemical stability, except for attacks b… – Low friction co…	– Common rubber o-rings inside may abrade easily and have poor chemical resistance… – Pure Teflon o-rings have higher hardness and poor elasticity,…	savvyrubber.com
Shop From The Leading PTFE Square Ring Manufacturer	PTFE square rings are sealing devices made from Polytetrafluoroethylene (PTFE), known for their unique properties. They have a square-shaped cross-sec…	– High chemical resistance and inertness – Wide temperature range (-100°F to 450°F or up to 482°F) – Non-toxic and suitable for food, pharmaceutical,…	– Rigid and better suited for static applications rather than dynamic ones – May not be as flexible as other materials like rubber compounds – Can be…	www.ningeplastics.com

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Teflon O Ring Factories in China

What are the key benefits of using Teflon O rings?

Teflon O rings offer several significant benefits. They have excellent chemical stability, high resistance to heat, cold, oil, water, steam, and various chemicals. These O rings also possess high mechanical strength, high-pressure resistance, and a low friction coefficient, making them ideal for self-lubrication and use in harsh environments.

Where can I find reputable Teflon O ring suppliers in China?

To find reliable Teflon O ring suppliers in China, you can attend industry trade shows, use online sourcing platforms, or leverage industry networks. Make sure to assess the supplier’s credentials, certifications, and reviews to ensure quality and performance consistency. Many suppliers are listed on trusted websites and have verified business licenses.

What are the typical applications of Teflon O rings?

Teflon O rings are widely used in various industries due to their versatile properties. They are commonly found in machinery, metallurgy, petrochemicals, construction machinery, and light industrial machinery. These O rings are also used in applications requiring high temperatures and pressure, such as in pumps, valves, and cryogenic seals.

Can Teflon O rings be customized to meet specific needs?

Yes, you can customize Teflon O rings to fit your specific requirements. Many manufacturers in China offer customization options, including different sizes, shapes, and materials. You can provide your design drawings, and the manufacturers will help you turn your ideas into mass production. This ensures you get the exact product you need for your application.

What is the typical shelf life and maintenance of Teflon O rings?

Teflon O rings have a long shelf life, typically around 20 years, due to their durable material. To maintain them, ensure they are stored in a clean, dry environment away from direct sunlight and extreme temperatures. Regular inspection for signs of wear or damage is also recommended to ensure optimal performance and longevity.