Are you looking for the best Teflon 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 Teflon O-ring factories in China, highlighting their unique features, product quality, 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 from -200°C to 260°C and are resistant to oils, acids, bases, and many solvents. They are often used in chemical processing, pharmaceutical, food, and laboratory environments. The mechanical properties can be enhanced by adding fillers such as glass fibers, carbon, or bronze.
Pros:
– Excellent chemical resistance against a wide range of chemicals
– Low friction coefficient allowing for easy movement and minimal wear
– Wide temperature range from -200°C to 260°C
– Non-porous, easy to clean and sterilize
– FDA compliant for use in food and pharmaceutical industries
– High heat resistance and dielectric properties
– Universal media resistance, stable in contact with almost all media
Cons:
– Low mechanical properties compared to other plastics
– Higher tendency to creep and deform under constant pressure, leading to potentia…
– Require precise machining and installation due to rigidity and brittleness
– Not suitable for dynamic seals or applications requiring a soft, conforming seal
– Avoid use with alkali metals and elemental hot fluorine
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 molded layer of Teflon FEP/PFA. These O-rings offer excellent tight sealing under extreme pressures of 35 BARS, are FDA-approved, and suitable for high-friction and harsh industrial uses. They are available in various sizes, designs, colors, and specifications, including custom sizes and non-standard dimensions. The O-rings are used in applications such as flanges, swivels, valve stems, pumps, cryogenic seals, and more. They have a high
temperature range, are lubricant-compatible, and can operate in abrasive or dry media.
Pros:
– Excellent resistance to high temperatures and pressures
– High chemical resistance and compatibility with corrosive media
– FDA-approved for use in pharmaceutical, food, and hygienic applications
– Good insulation properties, low contact pressure, and adaptability
– High hardness and low moisture permeability
– Customizable to meet specific application needs
– Wide range of applications including industrial, automotive, and medical fields
Cons:
– Vulnerable to organic solvents and certain chemicals
– May require specific gland design to maximize sealing performance without over-c…
PTFE O-rings Suppliers, Manufacturers
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 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
– Low friction coefficient and good self-lubrication
– Non-toxic and dielectric properties
– Excellent wear resistance and good resistance to oil, water, steam, and chemical…
Cons:
– Not suitable for applications requiring high elasticity or flexibility
– Can be brittle at very low temperatures
– Higher cost compared to other types of o-rings
PTFE Teflon Coated O Rings Manufacturers and Suppliers …
Product Details: PTFE (Teflon) coated O-rings are sealing rings made from a core material, typically silicone, Viton® (FKM), or EPDM, encapsulated in a layer of PTFE. This combination provides excellent chemical resistance, low friction, and a broad working temperature range. PTFE is inert to most chemicals, can withstand temperatures from -200°C to 260°C, and has a low friction coefficient. These O-rings are FDA compliant and suitable for applications in chemical processing, pharmaceutical, food, and laboratory equipment industries. They are available in various sizes, including standard AS568 sizes and custom sizes.
Pros:
– Excellent chemical resistance to oils, water, acids, bases, and many solvents.
– Low friction coefficient, allowing for easy movement and minimal wear.
– Broad working temperature range from -200°C to 260°C.
– FDA compliant, making them suitable for food and pharmaceutical applications.
– Combines the elasticity of elastomers with the chemical resistance of PTFE.
Cons:
– PTFE is less compressible than elastomers, exhibiting no elastic recovery and a…
– May require custom gland design to maximize sealing performance.
– PFA type PTFE, while offering superior chemical resistance, compromises on compr…
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 O-rings are available in various materials such as NBR, HNBR, FKM, and PTFE, each suitable for different conditions. The initial compression during installation provides the O-ring with its sealing ability, which is enhanced by system pressure. O-rings are effective in static sealing and certain dynamic
situations but are limited by speed and pressure.
Pros:
– Effective in preventing leakage of fluids under static conditions
– Can be used in dynamic situations for axial reciprocating motion and low-speed r…
– Available in various materials to suit different working conditions such as oil,…
– Initial compression and system pressure enhance sealing force
Cons:
– Limited by speed and pressure in dynamic applications
– Not suitable for high-speed or high-pressure dynamic sealing
O-Rings, Rubber Seals – Best China Manufacturer & …
Product Details: Savvy manufactures a wide range of o-rings, including traditional standard o-rings, encapsulated o-rings, backup-rings, and x-rings. They have thousands of molds available to meet various size and shape requirements. The o-rings can be made from different materials such as rubber, metal, and other materials, with rubber being the most commonly used. Popular rubber compounds include NBR, FKM (Viton), and Silicone. Each material has specific properties and applications, such as NBR for its good properties and low cost, FKM for its comprehensive performance, and Silicone for its use in medical and food industries. The hardness of o-rings is measured in Shore
A, typically ranging from 40 to 90, with 70 being generally more suitable. O-rings are available in various colors, and custom colors can be produced with additional cost and larger MOQ.
Pros:
– Wide range of materials available, including NBR, FKM (Viton), and Silicone
– Thousands of molds to meet different size and shape requirements
– Fast delivery through door-to-door courier
– Low mold/tooling cost for custom o-rings
– Good wear resistance, oil resistance, and corrosion resistance depending on the…
– Available in various colors and custom colors
Cons:
– Low hardness o-rings are prone to peeling, installation damage, extrusion, and p…
– High hardness o-rings can be inconvenient to install
– Custom colors may increase cost and require larger MOQ with longer delivery time
China Manufacturer of Teflon o ring, PTFE o ring, PTFE Gaskets
Product Details: The products include PTFE Gaskets, Teflon o-rings, and PTFE o-rings. These products are available in various fillers such as Pure PTFE, Graphite Filled, Fiberglass Filled, and Bronze Filled. The outer diameter (OD) ranges from 10mm to 300mm, and the density is between 2.1 ~ 2.3 g/cm3.
Pros:
– High chemical resistance due to PTFE material
– Variety of fillers to suit different applications
– Wide range of outer diameters available
Cons:
– No specific cons mentioned on the webpage
– Density range may not be suitable for all applications
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 a few millimeters to several meters. They comply with various international 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 application r…
– Maintain the properties of the core material while adding the benefits of PTFE.
Cons:
– Encapsulated O-rings are exclusively used in static applications because movemen…
– May require special handling and installation techniques to avoid damaging the P…
– Can be more expensive than standard O-rings due to the additional PTFE coating o…
Shop From The Leading PTFE Square Ring Manufacturer
Product Details: PTFE square rings are sealing devices with a square-shaped cross-section. They are made from Polytetrafluoroethylene (PTFE), a high molecular weight polymer known for its high heat resistance, chemical inertness, and low friction coefficient. These rings are available in various sizes, including those compatible with AS568 and metric dimensions. They are used in static applications and can fit in o-ring grooves, providing more sealing surface area than traditional o-rings.
Pros:
– High heat resistance, with a temperature range of -100°F to 450°F (-78°C to 232°…
– Chemically inert and resistant to virtually all fluids and gases[1][3][5]
– Non-toxic and suitable for use in the food industry[5]
– High abrasion and corrosion resistance[4][5]
– Low friction coefficient and anti-adhesiveness[3]
– Interchangeable with o-rings in many applications, using the same groove dimensi…
Cons:
– PTFE is rigid and may not be as flexible as other materials, making it better su…
– Higher Shore A hardness (e.g., 90 Shore A) can be very stiff, which may not be i…
– May not provide the same level of sealing on rough surfaces as softer compounds[…
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 – Low friction coefficient allowing for easy movement and minimal wear – Wide temper… | – Low mechanical properties compared to other plastics – Higher tendency to creep and deform under constant pressure, leading to potentia… – Require… | 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 compatibility with corrosive media – FDA-approved for use in… | – Vulnerable to organic solvents and certain chemicals – May require specific gland design to maximize sealing performance without over-c… | www.yosonseals.com |
PTFE O-rings Suppliers, Manufacturers | 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… | – Not suitable for applications requiring high elasticity or flexibility – Can be brittle at very low temperatures – Higher cost compared to other typ… | savvyrubber.com |
PTFE Teflon Coated O Rings Manufacturers and Suppliers … | PTFE (Teflon) coated O-rings are sealing rings made from a core material, typically silicone, Viton® (FKM), or EPDM, encapsulated in a layer of PTFE…. | – Excellent chemical resistance to oils, water, acids, bases, and many solvents. – Low friction coefficient, allowing for easy movement and minimal we… | – PTFE is less compressible than elastomers, exhibiting no elastic recovery and a… – May require custom gland design to maximize sealing performance… | m.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 in preventing leakage of fluids under static conditions – Can be used in dynamic situations for axial reciprocating motion and low-speed r… | – Limited by speed and pressure in dynamic applications – Not suitable for high-speed or high-pressure dynamic sealing | www.jst-seals.com |
O-Rings, Rubber Seals – Best China Manufacturer & … | Savvy manufactures a wide range of o-rings, including traditional standard o-rings, encapsulated o-rings, backup-rings, and x-rings. They have thousan… | – Wide range of materials available, including NBR, FKM (Viton), and Silicone – Thousands of molds to meet different size and shape requirements – Fas… | – Low hardness o-rings are prone to peeling, installation damage, extrusion, and p… – High hardness o-rings can be inconvenient to install – Custom… | savvyrubber.com |
China Manufacturer of Teflon o ring, PTFE o ring, PTFE Gaskets | The products include PTFE Gaskets, Teflon o-rings, and PTFE o-rings. These products are available in various fillers such as Pure PTFE, Graphite Fille… | – High chemical resistance due to PTFE material – Variety of fillers to suit different applications – Wide range of outer diameters available | – No specific cons mentioned on the webpage – Density range may not be suitable for all applications | www.precise-rubber.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…. | – 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 |
Shop From The Leading PTFE Square Ring Manufacturer | PTFE square rings are sealing devices with a square-shaped cross-section. They are made from Polytetrafluoroethylene (PTFE), a high molecular weight p… | – High heat resistance, with a temperature range of -100°F to 450°F (-78°C to 232°… – Chemically inert and resistant to virtually all fluids and gas… | – PTFE is rigid and may not be as flexible as other materials, making it better su… – Higher Shore A hardness (e.g., 90 Shore A) can be very stiff,… | 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 key benefits, including excellent chemical stability, high resistance to heat, cold, oil, water, and chemicals. They have high mechanical strength, high-pressure resistance, and a low friction coefficient, making them ideal for applications requiring self-lubrication and durability.
Where can I find reputable Teflon O-Ring suppliers in China?
To find reputable 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.
What materials are Teflon O-Rings made of, and what are their temperature limits?
Teflon O-Rings are made from Polytetrafluoroethylene (PTFE), a high molecular polymer known for its excellent heat and cold resistance. These O-Rings can operate within a temperature range of -100°C to 280°C, making them suitable for a wide range of industrial applications.
Can Teflon O-Rings be customized, and what customization options are available?
Yes, Teflon O-Rings can be customized to meet your specific needs. You can choose from various sizes, shapes, and colors. Manufacturers like Yoson and Savvy offer custom designs based on your drawings and specifications, ensuring the O-Rings fit perfectly into your applications.
What industries commonly use Teflon O-Rings, and why are they preferred in these sectors?
Teflon O-Rings are widely used in industries such as metallurgy, petrochemical, construction machinery, and light industrial machinery due to their excellent chemical resistance, high mechanical strength, and low friction coefficient. They are preferred because they provide dependable sealing and can withstand extreme conditions, making them ideal for harsh industrial environments.