Carboxylated Nitrile (XNBR) is produced through the introduction of carboxyl acid groups into the Nitrile rubber polymer structure. This modification enhances key properties including abrasion resistance, tear strength, and tensile durability. However, it is essential to note that increasing one property may lead to a compromise in others. For instance, XNBR exhibits reduced compression set, resilience, and ozone resistance.

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XNBR finds extensive use in industries such as paper and plastics, particularly in processes that demand exceptional abrasion resistance.

If you're unsure whether Carboxylated Nitrile is suitable for your project, feel free to reach out for guidance.

Understanding Carboxylated Nitrile Rubber

XNBR, a high-performance elastomer, has gained traction in various sectors due to its impressive tensile strength, wear resistance, and oil resistance. These attributes make it particularly valuable for manufacturers, especially in automotive sectors.

For bespoke parts crafted from carboxylated nitrile rubber, look to REDCO. Our comprehensive services are delivered in-house at our facilities in the USA, ensuring top-notch quality at every production phase. Contact us today to discuss your specific requirements for XNBR manufacturing.

Key Properties of XNBR

As a synthetic elastomer, Carboxylated Nitrile rubber features a unique structure modified to incorporate carboxyl groups to enhance its performance. This results in superior tensile strength, broader resistance attributes, and a wider applicability in multiple industrial contexts.

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Should carboxylated rubber not meet your needs, REDCO offers an extensive array of rubber alternatives. Download our Rubber Properties chart to explore additional options suited for your project requirements. We also provide specialized rubber and elastomer compounding services for unique applications.

Benefits of XNBR for Custom Molded Rubber Parts

XNBR includes various properties that contribute positively to its application in custom rubber manufacturing:

• Specific Gravity: 1.00
• Tensile Strength (Pure Gum): 600 PSI
• Tensile Strength (Reinforced): (data to be filled)
• Shore A Hardness Range: 50-95

Advantages of Carboxylated Nitrile Rubber

Compared to traditional nitrile rubber, XNBR presents several benefits for end products, such as an extended operational temperature range and resistance to refrigerants R-11, R-12, and R-13. Other notable advantages include:

• Exceptional resistance to abrasion, heat, diluted acids, and moisture
• Superior permeability
• Strong resistance to oil, gasoline, both animal and vegetable oils
• Good to excellent solvent resilience against hydrocarbons
• Satisfactory tear and compression resistance
• Fair dielectric properties and low-temperature flexibility
• Moderate resistance to oxidation, with variable resilience in hot or ambient temperatures

Limitations of Carboxylated Nitrile Rubber

While XNBR is advantageous in many respects, it is not suitable for all applications, particularly those exposed to ozone, direct sunlight, UV radiation, or varying weather conditions. Limited resistance to certain substances may also be a concern:

• Aromatic fuels
• Glycol-based brake fluids
• Polar solvents
• Non-flammable hydraulic fluids (HFD)
• Ketones, esters, aldehydes

For applications involving exposure to the above chemicals, alternatives to XNBR should be explored based on your specific needs.

Ideal Uses for XNBR in Rubber Manufacturing

XNBR is an excellent option for projects that necessitate a robust rubber solution with versatile resistance features. Its most common applications include:

• Components for the automotive and transport sectors
• Parts in oil and gas industries
• Applications in paper printing
• General manufacturing operations
• Consumer products such as appliances, footwear, and more
• Industrial rollers and their coverings
• Seals, gaskets, and O-rings
• And much more!

XNBR Rubber Products Manufactured in the USA to Your Specifications

At REDCO, we prioritize your satisfaction above all else. Our commitment to quality ensures timely production of top-grade products. Our on-site laboratory supports thorough testing and development, staffed with expert chemists dedicated to meeting your manufacturing needs. With over 70 years of experience in rubber compounding and production, REDCO is prepared to fulfill any order's specifications.

Contact us now for further information and to receive a quote for your project.

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