Fluoroelastomer (FKM / Viton™) vs Nitrile ... | APG

Its lower compression set allows Nitrile to be compressed tighter without losing sealability or breaking. Nitrile (NBR / Buna-N) Fluoroelastomer (FKM / Viton®) Temperature Range. -40ºF up to 250ºF. -15ºF up to 400ºF. Pros. Great for sealing petroleum oils, water, and hydraulic fluids. Great tear and abrasion resistance.

O-ring material selection guide | O-ring material comparison

O-ring material comparison. Viton® O-rings. Viton® is an all-round material capable of handling a diverse array of applications, particularly sealing jobs involving movement. It is suited for silicone fluids and gases, petroleum oils, acids and some halogenated hydrocarbons. Viton® isn't recommended for Skydrol, ethers with low molecular ...

Viton® vs. FKM | Global O-Ring and Seal

Since Viton® performs better than hydrocarbon rubbers in fluid resistance, blends of other rubbers with Viton® typically perform significantly poorer than FKM. Blends of Viton® with hydrocarbon rubbers do not perform "almost like FKM" or anything close to it. Beware of the "good deal.". Rather than being a "low-cost ...

FLUOROCARBON (VITON®/ FKM) VS NITRILE (NBR): …

STANDARD VITON® / FKM VS STANDARD NITRILE Standard Viton®/FKM compounds can provide continuous sealing at temperatures up to approximately +205°C. Standard NBR on the other hand is only effective...

Difference Between Nitrile and Viton

The key difference between nitrile and Viton is that nitrile rubber compounds have comparatively a low density while Viton has comparatively a large density. However, by looking at the material, we can identify Viton by its …

Viton vs Nitrile o-Rings: What Are The Differences? | NES

For example, if you know your assembly works at more than 100°C, nitrile will not be suitable. If your assembly is likely to be exposed to the weather, to UV or to ozone, nitrile will likely degrade and risk failure. Viton™ /FKM/FPM is …

Buna vs Viton: What's the Difference? - Precision Plastic Ball

Precision Plastic Ball offers both Buna and Viton rubber balls, each of which host numerous benefits and application-specific characteristics. In general, Viton provides a greater temperature range, especially high heat, while Buna can be more cost effective and suitable for many common applications. With our more than 60 years of experience ...

Nitrile vs. Viton - What's the difference? | Ask Difference

Nitrile vs. Viton. (organic chemistry) any of a class of organic compounds containing a cyano functional group -C≡N; they are named as derivatives of the appropriate carboxylic acid. A type of synthetic rubber formed by the copolymerisation of acrylonitrile and butadiene. Any one of a series of compounds bearing the cyanide radical (-CN ...

Viton / FKM vs Nitrile: Which material? - Eastern Seals

Fluorocarbon (Viton ® /FKM) Temperature range: -35°C and +110°C (+135°C intermittent) -25°C to +205°C (+230°C intermittent) Suited for: General purpose sealing, such as petroleum oils, water and some hydraulic fluids. NBR is also resistant against tears and abrasive treatment. Fluorocarbon Viton ® /FKM is an all-round material that is ...

Nitrile vs Viton - What is the Difference? - Ariiz

Nitrile is a compound that is organic with a chemical formula which is general as R-CN. Viton is just a name used to refer to fluoropolymer elastomers and synthetic rubber. Nitrile and Viton are approved elastomers which are mostly used. Nitrile is commonly referred to as NBR, while Viton is referred to as Fluorocarbon rubber.

Viton / FKM vs Nitrile: Which material? - Eastern Seals

While both Viton/ FKM and NBR seals act as very good sealing options at moderate temperatures, Viton®/ FKM is far superior for high temperature applications. Standard Viton® / FKM vs Standard Nitrile Standard Viton®/FKM compounds can provide continuous sealing at temperatures up to approximately +205°C.

Buna N vs Viton - Rubber

On the other hand, Viton is a fluoroelastomer that retains similar properties to nitrile rolls; however, it is more expensive. Buna N, vs Viton, is a valued and cost-effective synthetic rubber that will offer long-lasting and safe applications. * Thickness. - Select - 1/16" 1/8" 1/4" 3/8" 1/2". * …

O-Ring Material Reference Guide for Selecting the ... - Inspirationfeed

Viton. Viton, also known as fluorocarbon or FKM can withstand temperatures from -13 degrees F to 446 F, and can be modified to handle -40 F. It also exhibits remarkable resistance to chemicals. Additionally, it resumes its shape after compression, resists gas leakage and lasts a long time in storage.

What Is The Difference Between Viton® A and B?

Viton® A has a rigid crystalline structure meaning it has limited mobility and a high modulus. On the other hand, Viton® B has a soft amorphous structure, meaning that it has less elasticity and lower modulus than Viton® A. The high tensile strength and modulus make it ideal for seals in vacuums, liquids, and gases in general.

Why Viton? – Orange Seal

Viton vs. Other Materials. Viton vs Nitrile - Nitrile or NBR or Buna-N is a general all purpose cost effective rubber material that has a temperature range of -35 ° C to 120 ° C. Viton or FKM, is used in more specialty applications that require higher temperature and chemical resistance. Nitrile Temperature Range -

Nitrile vs. Neoprene - What's the Difference? - Elastoproxy

The differences don't end there. Nitrile rubber has poor flame resistance. By contrast, neoprene provides very good-to-excellent resistance against the spread of flame. Nitrile is attacked by sunlight, ozone, and weather, but neoprene provides reliable resistance against these environmental conditions. Yet neither rubber resists aromatics or ...

Difference Between Buna N and Viton

Viton A is produced by the polymerization of vinylidene fluoride (VF 2) and hexafluoropropylene (HFP).It is used for general molded o-rings, gaskets, and other simple and complex shaped molded products. Viton B is polymerized from three monomers, including vinylidene, hexafluropropylene, and tetrafluoroethylene. Viton B offers better fluid resistance …

Buna-N (NBR) vs FKM (Viton®) for O-Rings and Seals

Buna-N (NBR) vs FKM (Viton®) for O-Rings and Seals. Add Material: Buna-N (NBR, Nitrile, Buna) FKM (Viton®) Description. Both materials are well suited for use in the -30 to 125°C range. FKM has an advantage in lower temperatures and FKM has an advantage in higher temperatures. Marco offers specific compound formulations extending these ...

Buna Seals VS. Viton Seals: Which is Worth It? - RG Group

When it comes to choosing to seal material, nothing could be more false. When comparing Buna rubber, (also known as Nitrile, Buna-N, Perbunan or NBR) and fluorocarbon (also known as Viton) both provide excellent compression set resistance and both are designed to resist most oils and lubricants, especially petroleum-based lubricants. Viton is ...

Fluoroelastomer (FKM / Viton™) vs Nitrile ... | APG

FKM / Viton® offers excellent resistance to ozone, oxidation, and UV light while Nitrile performs poorly in those environments. Although Nitrile / Buna-N supports many of the same chemical resistances as FKM, it has a much lower list of compatible chemicals.

Viton vs Nitrile O Rings - trendrep

Se è probabile che il vostro assemblaggio sia esposto alle intemperie, ai raggi UV o all'ozono, il nitrile probabilmente si degraderà e rischierà di fallire. Viton™ /FKM/FPM è superiore al nitrile in quasi tutte le situazioni, escluso il …

O-Ring Materials: Strengths, Limitations, and More - Arizona …

The experts at Arizona Sealing can help. Arizona Sealing Devices, Inc. has extensive experience with all of these elastomers, and we take pride in matching our clients to the materials that will suit them best over time. An O-ring supplier since 1989, we have since become an ISO 9001:2015-certified distributor of a broader range of sealing ...

Viton vs Nitrile/Buna-N o-rings - stretch? - AR15

The shaft diameter, o-ring thickness and installed o-ring diameter were all measured on the flats, which match the deep narrow part that gave me 6.2mm for the notch. I don't have any way to test the registration of the ID spikes vs the OD flats. so I have no what to verify the gap width and containing shroud dimensions.

Buna, EPDM, Viton® – what's the difference? | Knowledge Center

Buna-N, also known as Nitrile or NBR, is a synthetic rubber material that will handle most dairy, food and sanitary processing services. It has relatively poor acid and mild alkali resistance. It is good for vegetable oil service. Buna's temperature range runs between -40°F (-40°C) and 225°F (107 °C). However, Buna is not recommended for ...

Viton O-Rings | Allied Metrics Seals & Fasteners, Inc

Viton vs. Nitrile O-Rings. Nitrile is another material that is commonly used to fabricate O-rings. This material is also called Buna or NBR. Just like Viton, this elastomer has good compression set resistance. However, although nitrile does not function as well as Viton at extremely high temperatures, it performs better at temperatures as low ...

Viton™ O Rings vs Nitrile O Rings comparison : Barnwell

It is easy to notice that Viton™ (FKM/FPM) is a better material in most situations, excluding at sub-zero temperatures, in which Nitrile (NBR) turns out to be a much better performer. Our experienced team will guide all aspects of production, …

Buna vs. Viton O-Rings: What's Best for My Pump?

Assuming chemical compatibility is not a factor, we generally consider Buna O-rings to be better performers because of their resistance to a characteristic known as "compression set.". When you compress a Viton seal, it can conform to the shape it is compressed into even after it's removed. This isn't desirable since the job of an ...

NITRILE vs VITON® FOR GOLD WING CARBURETION – Help …

A chemical's flash point is the lowest temperature where fluid evaporates to form a combustible concentration of gas. The flash point of ethanol or ethyl alcohol is 55-63 F and gasoline or petrol is –45 F. Nitrile's temperature ranges as low as -70 F and up to 275 F. Viton®'s range is to –40 F to 450 F. We found data that stated 75 ...

Viton vs Nitrile O-rings... | ScubaBoard

Everybody recommends Viton in valves and regs that are in contact with Nitrox but they are so ********** expensive and hard to get. I think you can just use nitrile O-rings for nitrox less than 40% even if you do partial pressure blending because the time the O-ring is in contact with pure oxygen is just minutes during the filling process.

How to Make the Right Choice Between Viton® and Buna O …

Viton® standard compounds can withstand temperatures up to 446℉, while Buna o-rings can only handle up to 257℉. Conversely, when it comes to low temperature applications, Buna outperforms Viton®—withstanding temperatures down to -40℉ while standard Viton® can only handle down to -13℉. Additionally, environmental factors set these ...