Are Buna and Viton the same?

Viton is the choice over Buna for high-temperature applications. Viton seals hold indefinitely at temperatures up to 400°F and can last up to 48 hours at temperatures up to 600°F. Buna is effective to 250°F. Viton offers universal chemical resistance for sealing applications for oils, fuels, and mineral acids.

What is Buna seal?

Buna seals are standard in most pumps and work well for most cleaning and fluid pressurizing applications. This form of synthetic rubber is generally chemical-resistant, standing up to oil, fuel, and other harsh compounds.

Who makes Viton seals?

The Chemours Company
Contact Us for Viton® O-Rings, Gaskets & Seals Request a quote today or contact us for more information on Viton® fluorocarbon materials. Viton® is a registered trademark of The Chemours Company.

Is nitrile better than Viton?

This material has low compression set characteristics, making it ideal for use in high temperature environments, as well as resistance to all sorts of chemicals. Viton™ /FKM/FPM is superior to nitrile in almost all situations, excluding operation at sub zero temperatures.

How do you identify oil seals?

The standard format is Inner size, Outer size, Width, all measured in millimeters. So, for example, a metric oil seal stamped with 25 45 5 has an inner ring size of 25mm, an outer measurement of 45mm, and a width of 5mm. This number may also be preceded by the letters SC or TC, which indicate the lip arrangement.

Which is better nitrile or Viton?

General Suitability: Viton® is best suited for diverse sealing jobs that require high temperature and chemical resistance. This makes Viton® far superior to Nitrile in these regards. They are also designed to resist most oils and lubricants, more importantly petroleum-based lubricants.

What’s the difference between nitrile and Viton o rings?

You’ll find nitrile o rings used in many applications, including where oil resistance is needed or where low temperature functionality is required. As well as resisting oils, petrol and hydrocarbons, Viton™ is resistant to mineral acids, halogenated hydrocarbons and more.

What are the types of oil seals?

Below is the chart for Oil Seal Materials selection:

• Aflas® (TFE/P)
• Carboxylated Nitrile (XNBR)
• Viton® (Fluoropolymer FKM)
• Fluorinated Ethylene – Propylene (FEP)
• Fluorosilicone (FVMQ)
• Hydrogenated Nitrile (HNBR) or Highly Saturated Nitrile (HSN)
• Nitrile (NBR) Buna-N & Low-Temp.
• Polyacrylate (ACM)

What’s the difference between Viton and EPDM seals?

The basic difference is range. Viton can handle higher temperatures, whereas EPDM can handle lower temperatures. Viton is also more resistant to chemicals and oils, but if you are to have acetones present, you will want to choose EPDM.

What are Buna gaskets?

Buna gaskets is another name for gaskets manufactured from Nitrile rubber. They are extremely useful for use in extreme temperatures and in applications whereby petroleum oils and fluids, water, silicone greases and oils are present. I found plenty of helpful information here.

What is Buna gasket?

Buna Gasket. Buna is a synthetic nitrile rubber which is formed with copolymerization of accronytrile and butadiene . Buna is also known as Buna-N, Perbunan, and NBR. It is used in automotive and aeronautical industry because of its high resistance nature of oil, gas, and fuel.