Standard Buna-N O-Rings. The most commonly used O-Ring material due to it's strength and durability.They are suitable for a broad range of fluids including oils, water, and mild chemicals. Buna-N O-Ring (0.7mm Wide 1.8mm ID) Buna-N O-Ring (0.84mm Wide 6.1mm ID) Buna-N O-Ring (0.8mm Wide 22.8mm ID)

O-Rings are available in five different materials from Scientific Instrument Services. Each type has its advantages and disadvantages as listed in the O Ring Comparison Chart. Of the various types of O-Rings available from SIS, Buna-N is the most sidely used type of O ring in the seal ring. It is also the least expensive type of O-Ring seal.

This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. Buna-nitrile can have high tensile strength, and abrasion, tear, and compression set resistance. It can be used in temperatures between -30 degrees F (-34 degrees C) to 250 degrees F ...

These hard O-rings offer better wear resistance than standard Buna-N O-rings. Square-Profile Oil-Resistant Buna-N O-Rings With flat edges on all four sides, square-profile O-rings cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.

This is a compatibility table and compound from list to view comparability rating of the O-Ring. . Check out our Clearance ... (Buna-N) Ethylene-Propylene (EP) Fluoro-elastomer (Viton) PTFE* Tensile Strength: Fair - Good: Good - Excellent: Good - Excellent: Excellent: Electrical Properties: Poor: Excellent:

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 …

Reference How O-Ring Materials Perform with Chemicals. Basic O-Ring chemical resistance compatibility information is based on isolated generic O-Ring material testing in optimal conditions at room temperature and pressure. Exposing rubber O-Ring materials to multiple chemicals and compounding application factors like temperature pressure and ...

As a sealing option, the crucial difference between Buna and Viton is the temperature range the materials function in. Viton is the choice over Buna for high-temperature applications. Viton seals hold indefinitely at …

BLACK BUNA O'RING 70 DUROMETER AS568A-007-BUNA-70 (QTY 1000) $60 00 Get it as soon as Wed, Feb 2 $8.50 shipping 1/2" x 5/8" x 1/16" 70D O'rings (50 PACK) #014 4 $9 98 ($2.00/10 Items) Get it as soon as Fri, Jan 28 FREE Shipping 5/16 x 7/16" x 1/16" 70D O'rings (50 PACK) #011 2 $11 00 ($2.20/10 Items) Get it as soon as Sat, Jan 29 FREE Shipping

Buna Nitrile O-Rings | Global O-Ring and Seal

Product Description This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of …

March 5, 2020. Buna-N, also known as Nitrile, is the sealing industry's most economical and widely used elastomer. This synthetic rubber material is ideally used for o-rings, gaskets, seals and custom molded components for a variety of industries and applications. Material selection plays a critical role in successful seal design.

Use our o-ring size chart and calculator to find the AS568 or metric sizing of standard size HNBR, Viton, and other o-rings. Go to Navigation Go to Content. ... Buna; Viton; EPR; Silicone; Highly Saturated Nitrile; Kalrez ; Chemraz; Simriz; PTFE; Neoprene; Urethane; PTFE Coated O-Rings; FDA ; Application Materials. FFKM O-Rings and Seals;

This O-ring is made of black Buna-nitrile, is round in cross-section, has a durometer of 70A, and is designed for use in a wide variety of sealing applications. Buna-nitrile can have high tensile strength, and abrasion, tear, and compression set resistance. It can be used in temperatures between -30 degrees F (-34 degrees C) to 250 degrees F ...

When it comes to Buna N O-Rings, you can count on Grainger. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support.

Descripción del material de la junta tórica de nitrilo de buna. Las juntas tóricas de caucho de nitrilo (NBR), también conocidas como Buna-N, son uno de los elastómeros de sellado más utilizados debido a su resistencia a los combustibles y lubricantes a base de petróleo y su precio relativamente bajo. Los elastómeros de nitrilo son ...

Home Boat Underwater Gear Buna O-Ring. Item NO. 2874. Buna O-Ring $ 0.12. Buna O-Ring quantity. Add to cart. SKU: 2874. Description. Buna O-Ring. We Also Recommend. Shaft Assembly 1″X49-1/8″ Single Taper $ 546.09 Add to cart; Shaft Assembly 1″X50″ Single Taper $ 543.17 Add to cart;

Buna is resistant to abrasion, has a low compression set, and has a high tensile strength ranging from 200 to 3000 psi with 300% elongation at break. Buna is composed of the copolymer acrylonitrile and butadiene and can be formulated to withstand temperatures ranging from -85°F to 275°F. Its hardness durometer ranges from 40-90 and has a ...

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 ...

AS568 Standard O-Rings (Inch) ↪ Buna-N O-Rings 70 Duro Standard ↪ -000 Series - 1/16" CS - 0.070" CS ↪ -100 Series - 3/32" CS - 0.103" CS ↪ -200 Series - 1/8" CS - 0.139" CS ↪ -300 Series - 3/16" CS - 0.210" CS ↪ -400 Series -1/4" CS - 0.275" CS ↪ Boss 900 Series O-Rings ↪ OSK™ Buna-N Nitrile O-Ring Kits ↪ Buna-N O-Rings - Special Compounds ↪ Buna-N O …

Buna 90 O-rings. Size#208B90= 5/8 ID x 7/8 OD x 1/8 CS; Buna Nitrile rubber is considered the standard for most general applications. Excellent resistance to petroleum based lubricants, hydraulic oils, gasoline, fuels and L.P. gases. Temperature range -58 F to 248 F with intermittent service to 600 F. Color Black; 90 Durometer hardness

As a sealing option, the crucial difference between Buna and Viton is the temperature range the materials function in. 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.

We supply O-Ring Cord stock either as Pre-Cut lengths, custom cut length or Vulcanized into custom O-Rings. Available in either metric or standard sizes, unless otherwise specified all our O-ring cord is manufactured in the U.S. to BS ISO 3302-1, Class E2 as standard.

These Buna-N O-Rings are made with FDA materials. They are suitable for a broad range of fluids including oils, water, and mild chemicals. Sort by. Featured Best Selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, new to old Date, old to new. Filters. FDA Buna-N O-Ring (Dash 006) FDA Buna-N O-Ring (Dash 007)

These O-rings are harder than standard Buna-N O-rings for better resistance to wear. Square-Profile Oil-Resistant Buna-N O-Ring Assortments. These O-rings have a square profile with flat edges on all four sides. They cover more surface than round-profile O-rings for a better seal in static applications, such as hose, pipe, and faucet connections.

Buna (or Nitrile) O-Rings are recommended for. Great for all but the most extreme applications; It works from -40°F to 250°F; Good wear resistance; Works with oils; Not Recommended for. With brake fluid, ketones, and some hydraulic fluids. It is not resistant to weathering, sunlight, and ozone unless a special compound is used.

Buna-N, also known as Nitrile, is the most popular elastomer. More than half of all sealing needs can be met with nitrile. Parco stocks both 70-durometer and 90-durometer Buna-N O-rings. Those O-rings are suitable for applications ranging from -30 to 200°F and are recommended for use with crude oil, gasoline, propane, and water.