Buna n temperature range Common Rubber Elastomers Temperature Range Chart. Aliases Nitrile Rubber, Buna-n, Buna, NBR, Perbunan, Nitrile Butadiene Common Variations Standard rolls and slabs (thicker grades) in fractional increments from 1/64” thick and up, widths of 36” Buna-N (Nitrle) sheet gasket material is available in a wide range of durometers. Insights on Technical Features. Temperature Requirements. ood resistance to oily and greasy food products. Extreme temperatures can cause Buna-N to lose its elasticity and mechanical properties. Widths are 36” and 48”. It is useful material for disposable lab Acrylonitrile (Nitrile) Butadiene Rubber (NBR, Buna-N) NBR rubber is a thermoset elastomer or rubber material. Where are Buna-N seals commonly used? They are commonly used in automotive, hydraulic, aerospace, and manufacturing applications. Buna-N should not be used in highly (Buna-N) between -40°C and +135°C (Low-temperature) between -65°C and +120°C . Chemical Compatibility. Temperature Range: -30 to 275 DegF. Low temperature military uses. This Premium Grade Nitrile is formulated to give maximum oil Both materials are well suited for use in the -35 to 125°C range. One of the biggest factors to consider is temperature. Temperature Range: -40° to 220°F Thickness Range: 1/32” to ¼” Material Width: 48” rolls, sheets cut to size. EPDM has an advantage in lower temperatures and EPDM has an advantage in higher temperatures. Buna-N is known for its unusually high resistance to oils, fuels, and other chemicals and for its superior strength. Temperature range -29°C (-15°F) to 204°C (400°F). This temperature range makes Buna N suitable for many general-purpose applications. Both materials offer a solid operating temperature range and can be used for certain applications with higher temperatures. Temperature Range: Generally stable in a temperature range of Low Temperature Range - 70° F to 0° F Minimum for Continuous Use (Static) - 40° F Brittle Point - 70° F to 0° F NBR / Nitrile or Buna N Acrylonitrile Butadiene RUBBER MATERIAL SELECTION GUIDE Abbreviation NBR ASTM D-2000 Classification BF, BG, BK Chemical Definition Acrylonitrile Butadiene. Buna-N is a general-purpose oil resistant polymer known as Nitrile Rubber. Lower temperatures can affect flexibility. 888. The higher the ACN, the less swell it experiences in oil–the lower the ACN, the more swell it experiences in oil and the better it performs in low-temperatures. It can also withstand the effects of fats, animal and vegetable oils, water, great, and air. Think of it as comfortable room temperature to a nice summer day. 9°C) FFKM Nitrile Buna-N (NBR) Material Temperature Range: Heat Resistance: Up to 212°F (100°C) with shorter life @ 250°F (121°C) Cold Flexibility: Depending on individual compound, between -30°F and -70°F (-34°C and -57°C). Facebook; SERVICE TEMPERATURE RANGE:-65°F to 300°F (peak) COMMON APPLICATIONS OF BUNA GASKETS: Petroleum Fluids. SBR - (Styrene-Butadiene) The basic monomers are butadiene and styrene, with styrene content approximately 23. Buna-N Nitrile Buna‐N (Nitrile, NBR, HNBR), or copolymer of butadiene and acrylonitrile has excellent resistance to petroleum products, lubricants, and water over a wide temperature range of –50 to 200°F. P. EPDM rubber can handle temperatures ranging from -50°C to +150°C, while NBR rubber can handle temperatures ranging from -40°C to +120°C. Nitrile (Buna-N) is the most widely used general-purpose elastomer in the industry used in a variety of products such as nitrile gloves, o-rings, gaskets, and many more. Temperature Sensitivity: Buna-N's temperature range is limited compared to Silicone, with a typical working range of -40°C to +120°C (-40°F to +250°F). Physical Properties. Chemical Composition: Neoprene is a homopolymer of chloroprene, while Buna-N is a copolymer of butadiene and acrylonitrile. Nitrile butadiene rubber seals, also known as Buna-N, Perbunan, acrylonitrile butadiene rubber for used in industrial and automotive industry to make fuel and oil handling rubber seals. Closed Cell (Sponge) MIL-STD-670 ASTM D6576 Buna N and Viton are two common types of elastomers, which are used in a variety of applications, including sealing, gasketing, and o-rings. 4. Buna N is also easy to process and has good physical properties, including high tensile strength and good abrasion resistance. Competitive lead times & pricing from Lanson Polymers allied with our vast experience in the design & supply of critical seals & components into a variety of markets will Buna, which is also known as Nitrile, Buna-N, Perbunan or NBR, performs well in applications requiring metal adhesion and abrasion resistance. Home; BF – BG – BK – CH – SB; Durometer range: 40-95; Temperature range: -40 o F to 240 o F; This material is especially resistant to aromatic hydrocarbons, gasoline, petroleum oils, mineral and vegetable oils. Buna is less expensive than fluoroelastomers, making it a cost-effective option Buna-N is the contraction of butadiene and sodium; where the N stands for Nitrile. 20 g/cm³. Nitrile can be formulated to have a wide range of service temperatures. With a wide temperature range and durability, they’re ideal for automotive, aerospace, and medical applications. Until you know the specifics of the media and your actual temperature range, Temperature range -30°Fto250°F STYLE 0726W - Buna-N White 50-65 Durometer Manufactured from FDA approved ingredients. Density: Typically ranges from 0. In addition, it can offer good resistance to alkalis and acids. Normal recommended temperature range. Our general Nitrile 90 compound has a relatively high acrylo content, making it exceptionally Buna-N, NBR) is the polymer of choice. Nitrile is a copolymer of acrylonitrile and butadiene. Ideal for water or low temperature (less than 225 F) mid Ph level appliacations. Success in these areas is attributed to the rubber’s excellent oil resistance, such as with petroleum, vegetable and mineral oil. Make sure that your material is compatible with your environment by going to our rubber properties and chemical compatibility sections. Parker’s Buna-N compound, which ranges from 70 to 90 durometer hardness nitrile, withstands temperatures from -30°F up to 250°F which includes compounds N0674 Both materials are well suited for use in the -35 to 125°C range. Low Temperature Usage: 10°F to Nitrile Buna-N (NBR) Material Temperature Range: Heat Resistance: Up to 212°F (100°C) with shorter life @ 250°F (121°C) Cold Flexibility: Depending on individual compound, between -30°F and -70°F (-34°C and -57°C). Fluoroelastomer is known to have excellent chemical resistance, making it the standard for o-ring materials. This rubber O-ring temperature chart shows high and low rubber temperature range resistance for all popular materials. This material can handle a temperature range from -20°F to +170°F. 982. Buna 90 O-rings Size#006B90= 1/8 ID x 1/4 OD x 1/16 CS Buna Nitrile rubber is considered the standard for most general applications. Temperature range Nitrile / Buna N (NBR) MR40. It is an elastomer able to function virtually almost in every industry. Silicone can withstand a wide temperature range, typically from -60°C to +230°C (-76°F to +446 Nitrile rubber, also known as Buna-N or NBR, is an oil and fuel resistant synthetic rubber. Temperature range: 400°F/204°C to 600°F/315°C; Excellent heat Buna-n rubber provides good strength, resilience, and operating temperature ranges. Off-road equipment. It is Buna-N (Nitrle) Sheet Gasket Material: Buna-N (Nitrle) sheet gasket material is available in a wide range of durometers. 5%. Temperature Range: Neoprene can withstand higher temperatures compared to Buna-N, making it suitable for Buna-N (Nitrile) O-rings offer excellent resistance to oils, fuels, and chemicals. com 15650 Madison Road Middlefield, OH 44062 (440) 652-5400 OFFICE View or download our temperature compatibility chart for information on how to choose the rubber elastomer that is ideal for your project specifications. Approximate working temperature range is from -20 Nitrile Rubber (NBR), also called Buna-N, is a synthetic rubber known for its exceptional resistance to oil, fuels, and chemicals. It is is used to make protective gloves in the nuclear industry. Buna-n sheet has very good resistance to many oils and chemicals. EPDM rubber can withstand a wider range of temperatures than NBR rubber. Buna and EPDM Acceptable Temperature Ranges. Hardness: Shore A 40 to 90. It also displays good compression, abrasion resistance, and tensile strength. Share: Whether you are designing a pad or gasket it is important to know how the environment will affect the part. Understanding the differences between these materials can Buna N Gaskets are very affordable and have high resistance hydrocarbons (oil), some chemicals gas, air and water, rec under 225 F. This chart depicts the maximum temperature range for each elastomer. Nitrile has good mechanical properties when compared Width: 48” rolls, Buna N Gasket Sheet cut to your specs Temp Range: -20°F to 170°F Tensile Strength: 750 psi. Excellent resistance to petroleum based lubricants, hydraulic oils, gasoline, fuels and L. Nitrile can effectively operate within a moderate temperature range between -40°C and 120°C Rubber Temperature Range - September 22, 2009. Operating temperature of nitrile rubber ranges from -35°C to +120°C (-30°F to +250°F). STYLE 0726W - Buna-N White 50-65 Durometer. The temperature range for a specific For example, nitrile O-rings, a commonly used material known as NBR or buna-N, have a general-purpose temperature range of -31ºF to 248ºF. Operational temperature range: -40°F to 250°F (-40°C to 121°C) Hardness range (durometer): 40-90; Standard hardness: 70 Shore A; Tensile White Nitrile Buna N Rubber Specifications. This chart provides the high and low-temperature ranges for popular rubber Nitrile rubber, also known as nitrile butadiene rubber, NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber derived from acrylonitrile (ACN) and butadiene. 3. It has the highest thermal conductivity and a moderately high tensile strength among rubber materials. Working Temperature Range: High: 212°F / 100°C Low: -22°F / -30°C Nitrile rubber is also called nitrile butadiene rubber, NBR, Buna-N and acrylonitrile butadiene rubber. Compatibility charts often specify temperature ranges for accurate assessment. The following is a Viton temperature chart comparing it directly to the Buna-N temperature range. 714-361-1435 sales@usseal. Temperature range -30°F to 250°F. EPDM, on the other hand, has a temperature range between -48 COMMERCIAL NITRILE (BUNA–N) A smooth finish blended Nitrile sheet, which is offered in a range of five durometers: 40 (untrimmed) thru 80 durometer (trimmed), to perform in a wide variety of applications. com ORDERS: LegacyRubber. This difference in composition leads to varying properties, particularly in oil resistance. Viton is the choice over Buna for high-temperature applications. Buna-N, Nitrile, NBR Hydrin Neoprene Hypalon Urethane, Polyurethane Polysulfide Silicone Fluorosilicone Fluoro Elastomers LEGEND A - RECOMMENDED B - MINOR TO MODERATE EFFECT C - MODERATE TO SEVERE U - UNSATISFACTORY BLANK - INSUFFICIENT DATA Acetaldehyde C U A A U C C U C A U U Acetamide U U B A A B B U U B A B Acetic Acid 5% Buna-N is resistant to oil-based hydraulic fluids and liquids that are flame retardant. BUNA-N (HYCAR or Nitrile) - Buna-N is a general-purpose polymer which has good resistance to oil, water, solvents and hydraulic fluids. Service Temperature Range* –31°F (–35°C) to 230°F (110°C) Specialty formulations, Low Temperature: –76°F (–60°C) Specialty formulations, High Temperature: 275°F Temperature Range-60°F to 350°F (-51°C to 177°C)-40°F to 250°F (-40°C to 121°C) Chemical Resistance: Excellent resistance to ozone, sunlight, and weather: EPDM is ideal for outdoor use and extreme temperatures, while Buna-N excels in oil resistance and cost-effectiveness. CARBON FILLED TFE Viton isn’t as effective at low temperatures and can become brittle if operating conditions drop below -4°F. Low Temperature Usage:-30°F to -40°F | -34°C to -40 °C High Temperature Usage: Up to 250°F | 121°C. Temperature range is 107°C maximum. Hycar is black in colour and should not be used where discolouration cannot be tolerated BUNA-N is the commonly used name for Nitrile synthetic rubber. com are in-stock and ready to ship today. . orders@rubberllc. Buna N rubber products also retain excellent chemical properties, making them reliable products in the face of caustic industrial chemicals. For instance, Buna N, vs Viton, can withstand temperatures as high as +248 degrees Buna-N (Nitrile) Buna O-rings are the most common o-rings on the market. Are there any chemicals Buna-N is completely incompatible with? Buna N rubber gaskets are known for their resilience to temperature extremes. Get the lowest price from the world’s largest o-ring inventory network. Standard Compound: -40°F to +257°F; Special Compounds: -67°F to +275°F (Dry Heat Only) Hardness (Shore A) 40 to 90. com. Generally referred to as “white nitrile” or “white Buna-N”, this is a sealing material with good abrasion and tear resistance, high elongation and good tensile strength. 1547. KEY USES: • Aircraft fuel systems • Automotive fuel systems • Can be used with petroleum oils, water and Temperature Range:-15ºF up to 400ºF. With compounding, this range can be extended to -65 and 300F, but rarely operates at both extremes — Temperature Range: (Buna-N) between -40°C and +135°C (Low-temperature) between -65°C and +120°C Temperature Range: between -26°C and +160°C Temperature Range: between -54°C and +135°C Key Uses: • Aircraft fuel systems • Automotive fuel systems • Can be used with petroleum oils, water and Both materials are well suited for use in the -35 to 125°C range. STYLE 0726H - Buna-N 90 Durometer Good resistance to many oils and chemicals. They can perform well in a temperature range from -40°F to about 250°F (-40°C to 121°C), depending on the specific formulation and additives used in the production process. “Standard” nitrile is available in durometers from 40 to 70 Shore A and thicknesses from 1/32” up to 1”. Usable temperature range: Buna-N offers a temperature range of -40 °C to 107 °C for most applications, including dairy and food processing operations. The temperature rating of Buna-N is -20F to 170F Temperature Range:-35°F to +250°F Material: Nitrile (Durometer: Shore A: 70) Molded in black. Description: Nitrile butadiene rubber (NBR) is a family of unsaturated copolymers of Temperature Range:-35º F to 250EF Recomended For: Silicone Greases / Oils, Water, Petroleum Oils Nitrile rubber, which is also called Buna-N or NBR, is an unsaturated synthetic copolymer. The mechanical response of nitrile rubber can be tested in many different ways. It has excellent resistance to petroleum products and the ability to be used for a temperature range of -35 ° C to + 120 ° C (-30 ° F to + 250 ° F). It displays good compression set, abrasion resistance, and tensile strength. They’re often referred to as nitrile or Buna-N elastomers and offer high tensile strength and resistance to fuel and oil. It is a rubber-like material that is designed to provide a seal against liquids, gases, and other materials. The standard temperature range for this material is -40F to 250F. It’s often found in automotive, marine, and aeronautical fuel and oil systems, disposable non-latex gloves, belts, hoses, o-rings, gaskets Temperature range: -40° to +250°F. 9°C to +148. Designed to meet The more acrylonitrile, the more resistant Buna-N is to temperature and other materials. TEMPERATURE RANGE: between -26°C and +160°C . Both materials are well suited for use in the -23 to 66°C range. make Temperature Range:-40° to +250°F, although that’s an average for the lower and upper tolerances for the various nitrile butadiene rubber (NBR) compounds manufactured by Parker. Typically, when rubber is introduced to harsh chemicals it can deform and What is the temperature range for Buna-N seals? Buna-N seals can operate within a temperature range of -40°F to +250°F (-40°C to +120°C). Make sure that your material is compatible with your environment by going to our rubber properties and Designed to meet ASTM specifications for 1BF material. Mykin Inc’s RN00390 Nitrile (BUNA-N) is a general purpose copolymer of butadiene and acrylonitrile in shore 90A durometer. On the other hand, Viton offers exceptional high-temperature resistance, withstanding temperatures from -20°C to 205°C (-4°F to 400°F) and even higher in some specialized formulations. Their efficient resistance to hydraulic fluids, petroleum-based fluids, synthetic lubricants, water, etc. The temperature range is determined by the base elastomer used. This rubber is unusual in being resistant to oil, fuel, and other chemicals. (Z1 = Meets basic requirements for BF materials. Temperature Range. BUNA-N is an excellent general purpose seat material which is particularly suitable for hydrocarbon service. It has outstanding resistance to oil, gasoline, petroleum based hydraulic fluids and hydrocarbon solvents. Can be compounded for FDA applications. Major differences are: Buna-N has a higher temperature limit; neoprene is more resistant to oils. In most cases, pad and gasket are dynamic in LEGACY RUBBER GENERAL INQUIRIES. Buna-N has an advantage in lower temperatures and EPDM has an advantage in higher temperatures. Nitrile / NBR is the most commonly used elastomer in the seal industry. PPE O-rings are Buna-N 70 (nitrile) and are suitable for nearly all sealing applications including valves, cylinders, flanges, faucets, etc. 90 to 1. The durometer of rubber sheet represents how soft it is. including the type of fluid or chemical involved, the HNBR Seals & O-Rings offer improved performance and higher temperature capability over traditional NBR. Buna-N (Nitrile) -40°F to +250°F (-40°C to +121°C) EPDM-65°F to +300°F (-53. Buna is a great choice for moderate environments, handling temperatures that range from freezing (-40°F) to hot (225°F). Automotive, marine, aircraft fuel systems. O-Ring Compound Materials are a type of elastomeric material used to make O-Rings. Normal As a sealing option, the crucial difference between Buna and Viton is the temperature range of the material’s function. Buna-N Chemical Structure: Copolymer of butadiene and acrylonitrile. Nitrile rubber (NBR) o-rings, also known as Buna-N, are one of the most commonly used sealing elastomers due to their resistance to petroleum-based fuels and lubricants and their relatively low price. It is ideal material for aeronautical application as Buna-N can withstand a range of temperature from -40 to 108 degree C. Hycar is black in color and should not be used where discoloration cannot be tolerated. How does temperature affect Buna-N’s chemical compatibility? Elevated temperatures can accelerate chemical degradation and swelling in Buna-N. Elongation at Break: Typically, 200% to 600%. FKM has an advantage in lower temperatures and FKM has an advantage in higher temperatures. This makes Viton an ideal choice for applications that involve extreme Buna-N o-rings, also known as nitrile o-rings or NBR o-rings, for low-cost performance in general-purpose applications. Buna-N NBR Nitrile o-rings from allorings. Temperature Properties: Viton (FKM) Buna (NBR) Cold Resistance-30º to 0º F-70º to 0º F: Heat Resistance: 450º to 500º F: 210º to 250º F: Table 2 – Comparing thermal properties of Viton and Buna rubbers. 2. Temperature range from -40° to +257°F; Standard hardness range of 40 to 90 Shore A; Buna-N polymers come in various acrylonitrile (ACN) content, ranging from 18% to 50%. Order online Buna-N o-rings in stock. Call Us 1. Nitrile Buna-N gasket material is made in a range of formulations with varying properties. Its properties make it suitable for manufacturing rubber products that will come into contact with oils, fuels, alcohols, hydraulic fluids and chemicals. Hydrogenated Nitrile is the addition of hydrogen to the polymers chain of NBR (Nitrile Buna-N). The lower the number the softer the material. Nitrile is a widely used elastomer for hydraulic system O‐rings. Durometer 90 +/- 5: Tensile strength 1500 PSI. This characteristic makes it a reliable choice for Buna-N is used in the automotive and aeronautical industry to make fuel and oil handling hoses,seals and grommets. It is regarded as a comparable replacement neoprene. Other Key Benefits. The temperature rating of Buna-N is Nitrile (NBR and HNBR) rubber temperature range. Temperature Range Relative Price Recommended Uses Not Recommended For Common Industry Applications: Mechanical Properties ; Buna-N (Nitrile) Order O-rings Online : Standard: -35°F to 250°F Specialty: -70°F to 275°F : Silicone Greases / Oils Water Petroleum Oils / Fuels Buna-n has good temperature resistance and can withstand a wide temperature range, averaging between -40 and 107 degrees Celsius. It is a copolymer of butadiene and acrylonitrile. Marco offers specific compound formulations extending these ranges even futher as can be seen in the following compound comparison chart. BUNA-N is sometimes referred to as NBR, Nitrile, or Hycar. Buna-N (Nitrile)-40: 250: Butadiene, Styrene Butadiene-50: 212: Butyl-50: 250 Degrees in Fahrenheit (F ) Degrees in Celsius (C ) Polymer Type 25° to 450° - 4° to 232° AFLAS - 75° to 250°- 59° to 120° Rubber O-Ring Temperature Ranges. Buna-N has good resistance to solvents, oil, water, and hydraulic fluid. With an operating range of -40°C to 120°C, nitrile rubber can perform effectively in both low and moderate temperature environments. Chemical resistance: Buna N is less resistant to chemicals than Viton® and is not suitable for ozone or weather exposure. Rubber Fab's Material Temperature Chart lists temperature ratings in Fahrenheit for Buna, EPDM, FKM (Viton®), Silicone, PTFE, Tuf-Flex®, Tuf-Steel® and the GYLON® line. This compound has a relatively high acrylo content, making it exceptionally resistant to petroleum base oils and hydrocarbon fuels over a temperature range of -40°F to +250°F. Specifications. Temperature range -30°Fto250°F. Buna-N has an advantage in lower temperatures and Silicone has an advantage in higher temperatures. The temperature ranges presented on this page are approximations for dry air service only and should not be used to determine design specifications or end-use temperature limits Temperature range is 107°C maximum. Let’s start out with the most basic material, NBR or Buna-n rubber. Trade names include Perbunan, Nipol, Krynac and Europrene. TEMPERATURE RANGE: between -54°C and +135°C . Viton seals hold indefinitely at temperatures Mykin’s RN00170, Nitrile (BUNA-N) 70 durometer, is a general purpose copolymer of butadiene and acrylonitrile. Temperature Range: 0°F to 212°F : Manufacturer: Bray . Tear Strength: Exhibits good tear resistance. Limitations: BUNA-N should not be used in highly polar solvents such as acetone and methyl ethyl ketone, nor should it be used in chlorinated hydrocarbons, ozone or nitro hydrocarbons. Elongation 100%. The oil resistant rubber sheet also retains a wide operating temperature range of -22 to +248 degrees Fahrenheit. Excellent oil, fuel, and chemical resistance for regular exposure; Excellent solution for sealing applications; Viton temperature range. Are Buna-N seals resistant to chemicals? Buna N: Temperature range: Effective up to 250°F (121°C) and can withstand temperatures down to -40°F (-40°C). Polyurethane has an advantage in lower temperatures and Buna-N has an advantage in higher temperatures. Tensile Strength: Varies from 14 MPa to 31 MPa depending on the grade. It is commonly used to make hoses, seals, gloves, and many other industrial products. Nitrile elastomers are ORD 5712 Parker O-Ring Material Offering Guide Both materials are well suited for use in the -30 to 125°C range. gases. EPDM, on the other hand, thrives in extremes. The standard temperature range on Nitrile is -40ºF (-40ºC) up to +250ºF (121ºC) and can withstand dry heat up to 275ºF (135ºC). Nitrile / NBR sealing material. tljm cyfe qrg bxaiif bwzipd johabge inikne sczyj gto but pbdea lccfjxg gwby redlsaq dztzhdc