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Nitrile Rubber

Nitrile rubber, also called nitrile-butadiene rubber (NBR) or Buna-N, is a synthetic rubber that finds a great deal of use in applications that require resistance to petroleum oils and gasoline. It is a copolymer formed of acrylonitrile and butadiene molecules and can stand up to a wide range of temperatures and environments.

From initial quotes through final delivery, REDCO is dedicated to delivering your total satisfaction. We complete all services in-house to ensure rigorous quality control protocols are followed. As a leading USA nitrile rubber product supplier and manufacturer, we are ready to tackle the demands of any order. Contact us or call 775-882-3100 to discuss if nitrile rubber is your production’s best solution.

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NBR Properties

BUNA-N properties include a range of capabilities, features, and characteristics. It can withstand temperatures ranging from -40°C up to 108°C. It is unlikely to swell due to oil exposure and is less permeable to gas when compared to other rubber materials. It is three times more resistant to punctures than natural rubber, cheaper than fluoroelastomers, and remains flexible at lower temperatures.

Buna-N Characteristics

NBR is a good fit for a variety of rubber parts due to its high-performance abilities in extreme temperatures, general toughness, and other characteristics, such as:

  • Specific Gravity: 1.00
  • Tensile Strength, PSI—Pure Gum: 600
  • Tensile Strength, PSI—Reinforced: 3000
  • Practical Shore A Hardness Range: 20-95

The Benefits of Using Nitrile Rubber Parts

Nitrile rubber brings many advantages to your custom rubber part production. It is generally resistant to many hydrocarbons, fats, oils, greases, hydraulic fluids, and chemicals. Other beneficial Buna-N properties include:

  • Excellent abrasion and moisture resistance
  • Excellent permeability
  • Excellent resistance to oil, gasoline, and animal or vegetable oils
  • Good heat, diluted acid, and solvent hydrocarbons resistance
  • Good low-temperature flexibility
  • Good compression set
  • Fair resilience to tearing, oxidation, and concentrated acids

Buna-N’s Limitations

Nitrile rubber has uses in many industries and applications, but it is not an ideal material for every production. It is generally attacked by keytones, esters, aldehydes, chlorinated and nitro hydrocarbons, and features poor dielectric properties and flame resistance. Another rubber material will be your best option if your products are used in applications involving these elements. Download our properties of rubber chart to learn more about your choices. We also offer in-house custom rubber and elastomer compounding services for specialty products.

Industrial Uses of Nitrile Rubber Parts

Nitrile rubber is non-toxic, cost-effective, and versatile, making it a popular choice in an extensive range of rubber manufacturing productions:

REDCO is Your Top USA Manufacturer & Supplier of Buna-N Products

Why work with REDCO? For decades, we have been the go-to rubber manufacturer for many industries. We maintain a developmental laboratory with a full-time chemist, provide aid in material selection, and offer many custom manufacturing services to meet the needs of any production. Our products are American-made under one roof, and we work hard to deliver products that meet your specifications, exceed your expectations, and always arrive on time and within budget.

Contact us to learn more about how we can support your NBR production. Request a quote to begin your order. One of our expert representatives will be in touch as soon as possible.