Are you looking for the best Viton O-ring manufacturers in China that can handle extreme temperatures? If so, you’re in the right place. Viton O-rings are renowned for their exceptional heat and chemical resistance, making them a staple in industries like aerospace, automotive, and chemical processing. In this article, we’ll compare the top factories in China that specialize in producing high-quality Viton O-rings, helping you make an informed decision for your specific needs. Let’s dive in and find

Is Viton ™ O-rings Better? – Hongju Silicone

Product Details: Viton O-rings are made from a fluorocarbon elastomer (FKM/FPM) known for its high performance and durability. They are available in various types, including Viton A, B, F, GLT, GFLT, and Extreme, each with different fluorine content levels. Viton O-rings have a temperature range of -20°F to 400°F (-29°C to 204°C), a hardness range of 50-95 Shore A, and excellent resistance to chemicals, oils, fuels, and high temperatures. They are commonly used in automotive, aerospace, chemical processing, and pharmaceutical applications.

Pros:
– Excellent resistance to high temperatures, oils, fuels, and hydraulic fluids
– Good to excellent chemical resistance, including acids and organic solvents
– Excellent ozone, weather, and flame resistance
– Low compression set and good tensile strength
– Suitable for use in harsh environments, including vacuum and high-pressure appli…
– Available in various formulations to meet specific application needs, including…

Cons:
– Less tolerant of low temperatures compared to other materials
– Fair cold resistance and tear resistance
– Not suitable for use with acetone and some organic acids
– Generally more expensive than nitrile O-rings
– Reduced flexibility at low temperatures for high-fluorine content types

Viton (FKM) O-Rings

Product Details: Viton® O-Rings are made from fluorocarbon elastomers, known for their high temperature resistance, chemical resistance, and durability. They are available in various types such as Viton® A, B, F, GLT, GFLT, and Extreme (ETP). These o-rings have a fluorine content ranging from 66% to 70%, which affects their chemical resistance and low-temperature flexibility. They operate within a temperature range of -20°F to 400°F (-29°C to 204°C) and are used in applications including automotive, aerospace, chemical processing, and oil exploration[1][4][5].

Pros:
– Excellent resistance to acids, flames, heat, oils, and ozone
– Wide temperature range: -20°F to 400°F (-29°C to 204°C)
– Good to excellent compression set resistance and dynamic resistance
– High chemical resistance to various fluids and chemicals
– Low compression set and low gas permeability
– Exceptional resistance to aging, chemical, and ozone attacks

Cons:
– Significantly more expensive than nitrile o-rings
– Reduced flexibility at low temperatures, especially for Viton® F
– Fair to good water steam resistance and cold resistance
– Fair electrical properties and tear resistance

Viton O Ring Suppliers, Manufacturers, Factory

FKM O Ring Viton Rubber Oring

Product Details: Viton® / FKM O-rings are made from a high-performance fluorocarbon rubber. 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 specialty types like GLT, GFLT, and ETP. These O-rings come in a range of hardness levels (50 to 90 Shore A) and colors. They are used in applications requiring high temperature, chemical, and oil resistance, such as in automotive, chemical processing, and aerospace industries.

Pros:
– Excellent resistance to high temperature, ozone, weather, oxygen, mineral oil, f…
– Wide temperature range: -26°C to 232°C in static applications and -15°C to 200°C…
– Low compression set and low gas permeability.
– Excellent aging and ozone resistance.
– Available in various formulations for improved low temperature flexibility and c…

Cons:
– Not recommended for use with ketones, hot water, steam, brake fluids, amines, al…
– Limited resistance to polar solvents, low molecular weight organic solvents, and…
– Service life can be shortened at high temperatures above 232°C.

Viton O-Rings, FKM / FPM O-Rings Manufacturer – Savvy

Product Details: FKM/Viton O-rings are made from fluoroelastomer (FKM) and are known for their high performance. They offer excellent resistance to high temperatures, ozone, weather, oxygen, mineral oil, fuels, hydraulic fluids, aromatics, and many organic solvents and chemicals. The service temperature range is typically from -26°C to 232°C in static applications and -15°C to 200°C in dynamic applications. Special grades like GLT and GFLT types can handle temperatures down to -40°C or -50°C. The hardness ranges from 50 to 90 Shore A.

Pros:
– Excellent resistance to high temperatures and various chemicals
– Wide range of chemical compatibility
– Low compression set and low gas permeability
– Exceptional resistance to aging, chemical, and ozone attacks
– Suitable for use in extreme environments including automotive, chemical processi…

Cons:
– Not recommended for use with steam, amines, or polar solvents
– Limited compatibility with ketones (MEK, acetone), Skydrol fluids, and low molec…
– Not suitable for hot hydrofluoric or chlorosulfonic acids and low molecular weig…

High Temperature O-Rings

AS568 75 Shore A Viton O Rings

Product Details: Viton® O-rings are made from fluorocarbon (FKM) rubber, known for their high performance. They have excellent resistance to high temperatures, ozone, weather, oxygen, mineral oil, fuels, hydraulic fluids, aromatics, and many organic solvents and chemicals. The service temperature range is typically from -26°C to 232°C in static applications and -15°C to 200°C in dynamic applications. Special compounds like GLT and GFLT offer improved low-temperature flexibility down to -40°C. The hardness range is from 50 to 90 Shore A. Viton® O-rings are available in various colors and are widely used in automotive, chemical processing, aerospace, and other industries.

Pros:
– Excellent resistance to high temperatures, ozone, and chemicals
– Good low-temperature flexibility with special compounds like GLT and GFLT
– Wide range of applications including automotive, chemical processing, and aerosp…
– Low gas permeability and low compression set
– Available in various colors and custom formulations

Cons:
– Not recommended for use with steam, amines, or polar solvents
– Higher cost compared to other sealing materials
– Limited resistance to water and certain bases without special formulations

Professional Viton O Ring Temperature Range & …

Product Details: Mechanical seals from LEPU SEAL, particularly the HJ92N series from EagleBurgmann, are designed for media containing solids or with high viscosity, such as sugar, paper, sewage, and wastewater. Key features include: independent of direction of rotation, no sticking or clogging, super-sinus-spring or multiple springs rotating, universal application opportunities, efficient stock keeping due to easily interchangeable faces, and self-cleaning effect. The working range includes pressures from 0.5 to 25 bar, temperatures from -50°C to +220°C, and sliding velocities up to 20 m/s. The seals are used in various industries including process, chemical, pulp and paper, water and wastewater technology, shipbuilding, and

more.

Pros:
– Independent of direction of rotation
– No sticking or clogging
– Universal application opportunities
– Efficient stock keeping due to easily interchangeable faces
– Self-cleaning effect
– Insensitive to low solids contents
– Flexibility in torque transmissions

Cons:
– Limited to specific media types (e.g., high viscosity, solids content)
– No specific mention of cost-effectiveness or durability compared to other brands
– Temperature and pressure limits may not be suitable for all applications

Viton O-ring

Product Details: Viton O-rings are manufactured with precision using high-quality Viton material, ensuring exceptional durability and resistance to extreme temperatures, chemicals, and oils. They are designed to provide reliable sealing solutions in various industrial applications, including automotive, aerospace, and hydraulic systems. These O-rings excel in high-temperature environments, withstanding temperatures ranging from -15°C to 204°C (-5°F to 400°F) without compromising their sealing capabilities. They also exhibit outstanding resistance to a wide range of chemicals, including acids, fuels, oils, and solvents. The O-rings offer excellent compression set resistance and maintain a tight seal even under varying pressure conditions, ensuring leak-free performance. They are known

for their longevity and durability, with extended service life and resistance to degradation, ozone, and weathering.

Pros:
– High Temperature Resistance: Withstand temperatures from -15°C to 204°C (-5°F to…
– Chemical Compatibility: Outstanding resistance to acids, fuels, oils, and solven…
– Excellent Sealing Properties: Maintain a tight seal under varying pressure condi…
– Longevity and Durability: Extended service life and resistance to degradation, o…
– Flexibility and Durability: Ensure effective sealing and reduce maintenance cost…

Cons:
– Poor Low-Temperature Resistance: Standard fluoroelastomer material can only with…
– High Cost: The cost of fluoroelastomer rubber raw materials is higher than other…

Viton vs. Teflon (PTFE) O-rings: Which One to Choose? – Hongju

Product Details: Viton and Teflon (PTFE) O-rings are two distinct materials used in various industrial applications. Viton, also known as Fluoroelastomer (FKM), is a fluorinated hydrocarbon with excellent heat resistance and sealing capabilities. It operates effectively in a temperature range of -15°F to 400°F (-26°C to 205°C) and is resistant to fuels, oils, and many chemicals, though it is not compatible with ketones and certain chlorinated hydrocarbons. Teflon (PTFE) O-rings, made from polytetrafluoroethylene, are renowned for their non-reactive nature, extensive chemical resistance, and low-friction properties. They can operate in a broader temperature range and are compatible with almost all industrial chemicals.

Pros:
– Viton: Superior heat resistance, excellent sealing capabilities, good mechanical…
– Teflon (PTFE): Unmatched chemical inertness, broad temperature tolerance, low-fr…

Cons:
– Viton: Not compatible with ketones and certain chlorinated hydrocarbons, less ef…
– Teflon (PTFE): Not recommended for multiple installations, loses effectiveness a…

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Viton O-Ring Temperature Ratings

What is the typical temperature range for Viton O-Rings?

The typical temperature range for Viton O-Rings is between -20°C and +205°C, depending on the grade. However, some grades can handle temperatures as low as -30°C or -45°C and as high as +230°C for short periods.

How do different grades of Viton affect the temperature range?

Different grades of Viton can significantly affect the temperature range. For example, Viton GLT-S and GFLT-S offer improved low temperature flexibility, with serviceability as low as -31°C or -45°C in dynamic and static seals, respectively. Always check the specific grade for its temperature capabilities.

Can Viton O-Rings handle extreme temperatures for extended periods?

While Viton O-Rings can handle high temperatures, extended exposure to extreme temperatures can affect their performance. For instance, they can withstand 232°C for 3,000 hours, 260°C for 1,000 hours, and 316°C for 48 hours. It’s crucial to consider the duration of exposure when selecting the right grade.

How does temperature affect the chemical resistance of Viton O-Rings?

Temperature does not significantly impact the chemical resistance of Viton O-Rings. These elastomers remain resistant to various chemicals, including mineral oils, greases, petrol, diesel fuels, and chlorinated hydrocarbons, even at elevated temperatures.

What are the common applications where Viton O-Rings are used due to their temperature ratings?

Viton O-Rings are commonly used in industries that require high temperature and chemical resistance, such as aerospace, automotive, petrochemical, offshore drilling, and rail. They are ideal for applications where the seal must withstand harsh conditions and maintain its sealing performance.