Are you looking for the best PTFE O-ring factories in China to meet your industrial needs? 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 manufacturers in China, highlighting their unique features, advantages, and applications to help you make an informed decision. Let’s dive in and find the perfect fit for your business.
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 durability.
Pros:
– Excellent chemical resistance against a wide range of chemicals, including acids…
– Low friction coefficient, allowing for easy movement and minimal wear.
– High heat resistance, capable of withstanding extreme temperatures.
– Non-porous, making them easy to clean and sterilize.
– Universal media resistance, suitable for use with almost all media.
– High abrasion resistance and excellent sliding properties.
Cons:
– Low mechanical properties compared to other plastics.
– Higher tendency to creep and deform under constant pressure, which can lead to s…
– Require precise machining and installation due to their rigidity and brittleness…
– Not suitable for applications requiring a soft, conforming seal.
– Lack of elastic recovery, which can rule out their use for dynamic seals.
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 slicers, mixing devices, and other hygienic applications. They operate effectively under extreme pressures of 35 BARS, high temperatures, and in abrasive or dry media. Yoson offers custom sizes and designs upon request, with delivery times of 7-10
days and exports to over 120 countries.
Pros:
– Excellent tight sealing under extreme pressures of 35 BARS
– High resistance to corrosive media and harsh industrial conditions
– FDA-approved for use in pharmaceutical, food, and hygienic applications
– Lubricant-compatible and effective in abrasive or dry media
– Good insulation properties, low contact pressure, adaptability, temperature resi…
– Available in custom sizes and designs
– Extensive experience in reliability, innovation, and designing for specific appl…
Cons:
– Vulnerable to organic solvents and chemicals
– May require custom gland design to maximize sealing performance
Teflon O-Rings, PTFE O-Rings China Manufacturer – Savvy
PTFE O-rings Suppliers, Manufacturers
Shop From The Leading PTFE Square Ring Manufacturer
Product Details: PTFE square rings are sealing devices made from Polytetrafluoroethylene (PTFE), a high molecular weight polymer known for its versatility. They have a square-shaped cross-section and are used in various applications, including chemical processing, pharmaceuticals, food and beverage equipment, aerospace, automotive sealing solutions, and hydraulic and pneumatic systems. PTFE square rings are chemically inert, non-toxic, and resistant to corrosion and abrasion. They operate effectively in a temperature range of -100°F to 450°F (-78°C to 232°C) and are impervious to virtually all fluids and gases, except for molten alkaline metals and certain halogenated compounds.
Pros:
– High heat resistance and chemical compatibility
– Non-toxic and suitable for food industry applications
– Strong tolerance to various chemicals, solvents, and gases
– Corrosion resistance and extended service life
– Non-reactive and ideal for the chemical industry
– Low friction coefficient and anti-adhesiveness
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 degraded by molten alkaline metals and certain halogenated compounds
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 up to 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
– Chemical inert and corrosion resistance
– 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
PTFE Coated FKM O-rings With Black, Green Color
Product Details: PTFE coated FKM O-rings consist of a core material, typically FKM (Viton®), encapsulated or coated with a thin layer of PTFE. These O-rings are available in standard and custom sizes, with cross-section thickness ranging from 0.5 to 30 mm and inner diameters from a few millimeters to several hundred millimeters. They comply with various international standards such as AS568, BS1516, and ISO3601. The PTFE coating enhances the O-ring’s performance by providing low friction and high chemical resistance, operating 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 aggressive chemicals.
– Low-friction surface, reducing wear and enhancing operational flexibility in dyn…
– Wide temperature range, suitable for both cryogenic and high-temperature applica…
– Available in various colors and custom compounds to meet specific requirements.
– High durability and longevity due to the combination of FKM core and PTFE coatin…
Cons:
– Encapsulated O-rings are generally limited to static applications, as movement o…
– Installation can be more complex due to the need for careful handling to avoid d…
– Higher cost compared to standard O-rings due to the specialized coating and core…
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 widely used in harsh environments due to their excellent sealing performance, chemical
stability, and resistance to gas permeation and solvent swelling.
Pros:
– Excellent sealing performance and tightness
– Good resistance to solvent swelling and chemical stability
– Low friction coefficient (0.1~0.2) and excellent resistance to gas permeation
– Maintain good elasticity at high temperatures
– Suitable for harsh environments and demanding applications
– Uniform and consistent sealing due to the seamless Teflon outer layer
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
– Vulnerable to attack by metals, fluorine, and some halides at high temperatures
China NBR HNBR FKM PTFE O Ring Manufacturer
Product Details: The NBR HNBR FKM PTFE O-ring is a type of seal with a solid rubber or PTFE material and an O-shaped cross section. It is widely used in hydraulic and pneumatic transmission systems. The O-ring is primarily used to prevent the leakage of liquid and gas media under static conditions and can also be used as a dynamic sealing element for axial reciprocating motion and low-speed rotating motion. The material options include NBR, HNBR, VITON (FKM), AFLS, EPDM, PU, FFKM, and PTFE. The temperature range varies from -32 to +204°C depending on the material, and the O-ring can handle media
such as oil, water, air, and gas.
Pros:
– Effective and economical for both static and dynamic sealing applications.
– Wide range of material options to suit different conditions and media.
– Initial compression during installation provides initial sealing ability, which…
– Used in various industries including construction, oil and gas, semiconductor, a…
Cons:
– Limited by speed and pressure in dynamic sealing situations.
– Not suitable for high-speed rotating motions.
– Material selection is critical to ensure compatibility with the operating condit…
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. – Higher tendency to creep and deform under constant pressure, which can lead to s… – Requir… | 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 tight sealing under extreme pressures of 35 BARS – High resistance to corrosive media and harsh industrial conditions – FDA-approved for u… | – Vulnerable to organic solvents and chemicals – May require custom gland design to maximize sealing performance | www.yosonseals.com |
| Teflon O-Rings, PTFE O-Rings China Manufacturer – Savvy | savvyrubber.com | |||
| PTFE O-rings Suppliers, Manufacturers | www.seal-china.com | |||
| Shop From The Leading PTFE Square Ring Manufacturer | PTFE square rings are sealing devices made from Polytetrafluoroethylene (PTFE), a high molecular weight polymer known for its versatility. They have a… | – High heat resistance and chemical compatibility – Non-toxic and suitable for food industry applications – Strong tolerance to various chemicals, sol… | – 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 |
| 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 | www.sukoptfe.com | |||
| PTFE Coated FKM O-rings With Black, Green Color | PTFE coated FKM O-rings consist of a core material, typically FKM (Viton®), encapsulated or coated with a thin layer of PTFE. These O-rings are availa… | – Excellent chemical resistance, allowing them to withstand aggressive chemicals. – Low-friction surface, reducing wear and enhancing operational flex… | – Encapsulated O-rings are generally limited to static applications, as movement o… – Installation can be more complex due to the need for careful h… | 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 – Low friction coefficient (0.1~0.2) and ex… | – 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 |
| China NBR HNBR FKM PTFE O Ring Manufacturer | The NBR HNBR FKM PTFE O-ring is a type of seal with a solid rubber or PTFE material and an O-shaped cross section. It is widely used in hydraulic and… | – Effective and economical for both static and dynamic sealing applications. – Wide range of material options to suit different conditions and media…. | – Limited by speed and pressure in dynamic sealing situations. – Not suitable for high-speed rotating motions. – Material selection is critical to ens… | www.jst-seals.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, providing excellent resistance to harsh chemicals, high temperatures, and extreme pressures. This makes them ideal for applications in industries such as pharmaceuticals, food processing, and high-friction industrial uses.
What is the typical temperature range for PTFE O-rings?
PTFE O-rings can operate over a wide temperature range, from -100°C to 280°C (-148°F to 536°F). This makes them suitable for a variety of applications, including those involving thermal and electrical insulation, as well as cryogenic seals.
How do PTFE encapsulated O-rings differ from pure PTFE O-rings?
Unlike pure PTFE O-rings, which are hard and lack elasticity, PTFE encapsulated O-rings have a rubber core (usually silicone or Viton) encased in a thin layer of Teflon FEP/PFA. This combination provides both the chemical stability of Teflon and the elasticity of rubber, making them more versatile and effective in dynamic sealing applications.
What industries commonly use PTFE encapsulated O-rings?
These O-rings are widely used in various industries, including fluid and gas processing, automotive, food processing, and pharmaceuticals. They are also common in applications involving pumps, valves, reaction vessels, and mechanical seals due to their excellent sealing properties and resistance to harsh environments.
How can I ensure the quality and reliability of PTFE O-rings from Chinese manufacturers?
To ensure quality and reliability, look for manufacturers that adhere to strict quality control standards, such as ISO 9001. Check for extensive testing and certification, and consider manufacturers that offer free samples for testing. Additionally, read reviews and ask for references to gauge the manufacturer’s reputation and customer satisfaction.