Hydrogenated Nitrile Rubber HNBR

1. Product Overview

Hydrogenated Nitrile Rubber (HNBR) is a high-performance synthetic elastomer produced by hydrogenating Nitrile Butadiene Rubber (NBR) to enhance resistance to heat, oxidation, ozone, chemicals, and demanding mechanical conditions. It is widely used in seals, O-rings, hoses, gaskets, belts, and other critical components across automotive, oil & gas, industrial, and energy applications. HNBR delivers superior durability and service reliability compared with conventional NBR, particularly under elevated temperatures and aggressive operating environments. Its combination of performance, longevity, and reliability makes it a strategically important material for high-demand industrial applications.

2. Key Specifications & Technical Characteristics

• Material: Hydrogenated Nitrile Butadiene Rubber (HNBR)
• Composition: Hydrogenated nitrile-based synthetic elastomer with controlled acrylonitrile content
• Grade: Industrial and application-specific grades available
• Physical Form: Solid rubber bales or blocks
• Color: Typically black or according to specified grade
• Acrylonitrile Content: Available in different grades to meet application-specific oil and fuel resistance requirements
• Hardness: Various Shore A hardness grades available depending on formulation
• Temperature Performance: Designed for demanding elevated-temperature applications
• Resistance: Excellent resistance to heat, ozone, oxidation, oils, fuels, hydraulic fluids, and many chemicals
• Mechanical Properties: High tensile strength, abrasion resistance, tear resistance, and compression-set performance
• Packaging: Standard export-grade bales, cartons, or customized bulk packaging
• Shelf Life: Typically subject to manufacturer storage recommendations and protected storage conditions
• Documentation: Technical Data Sheet (TDS), Certificate of Analysis (CoA), and relevant quality documentation available upon request

3. Core Industrial Applications

• Automotive: O-rings, seals, gaskets, timing belts, fuel-system components, and high-temperature hoses.
• Oil & Gas: Downhole seals, packers, gaskets, hoses, and components exposed to oils, fuels, pressure, and elevated temperatures.
• Industrial Equipment: Hydraulic and pneumatic seals, rotating-shaft seals, rollers, gaskets, and vibration-control components.
• Energy & Power: Sealing and elastomeric components used in demanding power-generation and energy systems.
• Chemical & Process Industries: Components requiring resistance to oils, chemicals, heat, and aggressive operating environments.
• Performance Advantage: HNBR generally provides superior heat, ozone, aging, and mechanical resistance compared with conventional NBR, supporting longer component service life and reduced maintenance requirements.

4. Competitive Advantages

• Quality Consistency: Controlled material specifications support reliable processing and consistent finished-product performance.
• High Performance: Excellent resistance to heat, oils, chemicals, ozone, and mechanical wear for demanding industrial environments.
• Supply Reliability: Structured bulk sourcing supports continuous industrial production and procurement requirements.
• Logistics Capability: Export-oriented packaging and bulk shipment options facilitate efficient international delivery.
• Price Competitiveness: Competitive bulk sourcing helps optimize total material cost for high-volume industrial buyers.
• Sustainability: Extended component service life can reduce replacement frequency, material consumption, and maintenance-related waste.
• Technical Support: Product specifications, technical documentation, and application-related information can be provided to support qualified sourcing and material selection.
• Strategic Sourcing Value: HNBR offers a strong balance of performance, durability, supply scalability, and lifecycle value for demanding industrial applications.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): Bulk — 20 MT
• Loading Capacity: Subject to container type, packaging configuration, product grade, and applicable shipping requirements
• Packaging: Export-standard packaging with customized options available for qualified bulk orders
• Supply: Suitable for international B2B wholesale and industrial procurement
• Documentation: TDS, CoA, packing list, commercial invoice, and applicable export documentation available as required