Are you looking for the best FKM o-ring manufacturers in China? With so many options available, choosing the right one can be overwhelming. In this article, we’ll compare the top FKM o-ring factories in China, helping you make an informed decision for your needs. Let’s dive in

FKM Rubber Thick Seal O Ring

Product Details: FKM/Viton O-rings are made from a high-performance fluoropolymer elastomer. They are available in various types, including general type (A-TYPE, 66% fluorine), middle fluorine content type (B-, GBL-TYPE, 67~68.5% fluorine), high fluorine content type (F-, GF-TYPE, 70% fluorine), and types with improved low temperature flexibility (GLT-, GFLT) and enhanced chemical resistance (Viton® ETP Extreme). The hardness ranges from 50 to 90 Shore A, and they are available in various colors. The service temperature range is typically from -15°C to 232°C in static applications and -15°C to 200°C in dynamic applications, with some types extending to -40°C or -50°C at the lower

end and up to 275°C or 527°F for short periods[1][4][5].

Pros:
– Excellent resistance to high temperature, ozone, weather, oxygen, mineral oil, f…
– Wide temperature range: -50°C to +205°/230°C (-15°F to +400°/440°F) depending on…
– Low compression set and low gas permeability.
– Exceptional resistance to aging, chemical and ozone attacks.
– High durability in extreme environments, including resistance to acids, chlorina…
– Versatile and suitable for both static and dynamic applications in industries su…

Cons:
– More expensive compared to other elastomers like nitrile.
– Full operation at high temperatures (e.g., 450°F) can shorten the parts’ lifetim…
– May require specific lubrication based on the application to maintain optimal pe…
– Not suitable for applications involving certain chemicals like ketones, amines,…

FKM O Ring Viton Rubber Oring

Product Details: FKM/Viton O-rings are made of fluorocarbon rubber, known for their high performance. They are available in various types such as A-TYPE (66% fluorine), B-TYPE (67-68.5% fluorine), F-TYPE (70% fluorine), and specialty types like GLT and ETP. These O-rings have a service temperature range from -26°C to 232°C in static applications and -15°C to 200°C in dynamic applications. The hardness ranges from 50 to 90 Shore A. They are available in various colors and are used in industries such as automotive, chemical processing, and aerospace.

Pros:
– Excellent resistance to high temperature, ozone, weather, oxygen, mineral oil, f…
– Wide temperature range: -50°C to +232°C (-58°F to +450°F) for some specialty for…
– Low compression set and low gas permeability.
– Exceptional resistance to aging, chemical, and ozone attacks.
– Broad chemical compatibility, including resistance to acids, fuels, and various…

Cons:
– Not recommended for use with steam, amines, or polar solvents.
– Incompatible with ketones (MEK, acetone), Skydrol fluids, anhydrous ammonia, and…
– Not suitable for hot hydrofluoric or chlorosulfonic acids and low molecular weig…
– Limited use with glycol-based brake fluids and low molecular weight organic solv…

FKM O Rings, China NBR O Ring supplier

Buy FKM,China FKM

Product Details: FKM (fluorocarbon rubber) and FFKM (perfluoroelastomer) are high-performance elastomers used in various sealing applications. FKM, also known as fluorine rubber, VITON, and FPM, provides additional heat and chemical resistance. It is commonly used in applications requiring resistance to extreme high temperatures and harsh atmospheric conditions. FFKM contains a higher amount of fluorine than FKM, offering improved resistance to high temperatures and chemicals, and can withstand environments with Oxygen-Plasma for many hours. Both materials are used in O-rings, gaskets, and seals for industries such as oil and gas, chemical refining, aerospace, pharmaceutical, and semiconductor manufacturing.

Pros:
– FKM offers high resistance to extreme high temperatures and harsh atmospheric co…
– FKM has excellent chemical resistance, weather resistance, ozone resistance, gas…
– FFKM provides stronger chemical resistance and can withstand a larger operating…
– FFKM is suitable for applications involving contact with hydrocarbons or highly…
– Both FKM and FFKM are suitable for explosive decompression, CIP, SIP, and FDA ap…

Cons:
– FKM may not be as versatile as FFKM in terms of chemical and temperature resista…
– FKM has a lower operating temperature range compared to FFKM.
– FFKM is generally more expensive than FKM due to its higher performance characte…

China Supplier, Wholesale – FKM O Rings

Product Details: FKM O-rings are made from fluorocarbon rubber, a high-performance fluoroelastomer known for its excellent resistance to extreme temperatures, chemicals, and environmental conditions. They are commonly used in industries such as aerospace, automotive, and chemical processing. The standard temperature range for FKM O-rings is from -15°F to 400°F, although special formulations can extend this range. The hardness of FKM O-rings typically ranges from 55 Shore A to 95 Shore A, with 75 Shore A being the most common. They are available in various colors, including black, brown, and others, to meet specific application needs.

Pros:
– Excellent resistance to high temperatures up to 400°F (204°C) and low temperatur…
– Superior resistance to oils, fuels, lubricants, and a wide range of chemicals.
– High durability and long-lasting performance in harsh environments.
– Resistant to ozone, UV light, and weathering.
– Versatile and suitable for both static and dynamic applications.
– Easy to manufacture for specialized needs.

Cons:
– Incompatible with certain substances such as amines, glycol-based brake fluids,…
– May require specific lubrication based on the application.
– Special formulations like FFKM are significantly more costly than standard FKM m…
– Service temperature range may vary significantly depending on the specific media…

Top 10 Viton O-ring Manufacturers and Suppliers in China …

Product Details: Viton O-rings are made from fluoroelastomer (FKM) synthetic rubber, known for their high performance and durability in demanding industrial applications. They are available in various formulations such as A, B, F, GLT, GFLT, XLT, ULT, ETP, and TBR, each offering different levels of chemical resistance, temperature tolerance, and low-temperature flexibility. These O-rings are used in applications requiring resistance to harsh chemicals, fuels, mineral and vegetable oils, and greases, and can operate in a wide temperature range of -50°C to +205°/230°C (-15°F to +400°/440°F)[2][3][5].

Pros:
– Excellent resistance to acids, fuels, mineral and vegetable oils and greases, al…
– Wide temperature range of -50°C to +205°/230°C (-15°F to +400°/440°F).
– Low compression set and low gas permeability.
– Exceptional resistance to aging, chemical and ozone attacks.
– Available in various formulations to suit different application needs.

Cons:
– Not recommended for use with steam, amines, or polar solvents.
– Tradeoff between chemical resistance and low-temperature flexibility in some for…
– Higher cost compared to other sealing materials like Buna-N.

Viton O Ring Suppliers, Manufacturers, Factory

O-Rings, Rubber Seals – Best China Manufacturer & Supplier

Product Details: Savvy manufactures a wide range of o-rings, including traditional standard o-rings, encapsulated o-rings, backup-rings, and x-rings. The o-rings can be made from various materials such as NBR, FKM (Viton), Silicone, EPDM, HNBR, CR, and Aflas. The temperature range for these o-rings varies by material, with Silicone o-rings operating from -70°C to 220°C. The hardness of the o-rings is measured in Shore A, typically ranging from 40 to 90, with Shore A 70 being commonly used. Savvy also offers custom o-ring production with low mold/tooling costs and fast delivery. O-rings are available in various colors, and customers can specify colors using

RAL or Pantone numbers.

Pros:
– High-temperature resistance, with some materials like Silicone operating up to 2…
– Good chemical resistance, with materials like FKM/Viton and Silicone offering ex…
– Low cost, especially for NBR which is about 50% of the world’s o-ring production…
– Wide range of applications, including automotive, machinery, electrical, and foo…
– Easy installation, particularly for materials with lower hardness.
– Customizable, with the ability to produce o-rings in various sizes, shapes, and…

Cons:
– Low hardness o-rings are prone to peeling, installation damage, extrusion, and p…
– High hardness o-rings can be inconvenient to install.
– Some materials may not be suitable for high-pressure applications, with the seal…
– Unique or custom colors may increase the cost and require a larger minimum order…

FKM O-Rings

China NBR HNBR FKM PTFE O Ring Manufacturer

Product Details: O-rings are seals with a solid rubber material or PTFE 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, FKM, VITON, AFLS, EPDM, PU, FFKM, and PTFE. The working temperature range is -32 to +204°C, depending on the material, 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.
– Can withstand a wide range of temperatures and media.
– Used in critical applications where sealing failure is strictly prohibited, such…

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…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About O-Ring FKM Factories in China

What materials are commonly used for FKM O-rings in Chinese factories?

FKM, also known as Viton, is a popular material for O-rings due to its excellent comprehensive performance. Chinese factories like Savvy and Feiyun Seal Factory produce FKM O-rings, which are widely used in applications requiring high standards, such as in chemical, automotive, and aerospace industries. FKM offers superior resistance to chemicals, heat, and oils, making it a preferred choice for demanding environments.

Can Chinese FKM O-ring factories provide customized products?

Yes, many Chinese FKM O-ring factories offer customization options. For instance, companies like Dongguan Hongju Silicone Rubber Products Co., Ltd. and Hongjie Rubber Seal provide OEM & ODM services, allowing you to specify unique requirements such as size, material, and performance characteristics. They can also customize colors, packaging, and logos according to your needs.

What are the typical sizes and standards for FKM O-rings produced in China?

Chinese factories produce FKM O-rings in various sizes and standards, including imperial and metric sizes. These O-rings comply with international standards such as AS568 for the USA, BS1516 for the UK, DIN 3771 for Germany, JIS B 2401 for Japan, ISO 3601 for International, and GB 3452.1 for China. You can specify the ID, OD, and cross-section to fit your application needs.

How do Chinese FKM O-ring factories ensure quality and reliability?

Chinese FKM O-ring factories like Feiyun Seal Factory and Savvy employ rigorous quality control measures. They inspect the raw materials, conduct multiple inspections during and after production, and ensure that every O-ring meets the required standards. Additionally, they often have certified laboratories to develop and identify compounds that match your specifications or ASTM standards.

What is the typical delivery time and payment process for ordering FKM O-rings from Chinese factories?

The delivery time for FKM O-rings from Chinese factories can vary depending on the order size. For small orders, delivery is usually within 3-7 days, while larger orders may take about 30 days. As for payment, many factories support various methods such as TT payment, Western Union, bank card, WeChat, and Alipay, making it convenient for international transactions. You can also expect a prompt response and solution within 24 hours of your inquiry.