HNBR Hydrogenated Nitrile O-Ring | O Ring Seal | Oil-Resistant Seal for Engines
HNBR Hydrogenated Nitrile O-Ring | O Ring Seal | Oil-Resistant Seal for Engines
Product Description
This HNBR Hydrogenated Nitrile O-Ring, with a size of 9.2x1.2mm, is a high-performance sealing component engineered for harsh operating conditions. Crafted from HNBR70 material, it undergoes a specialized hydrogenation process to enhance molecular stability, delivering superior oil resistance, high-temperature tolerance, and anti-aging properties compared to standard NBR. It maintains consistent sealing performance between -40℃ and 150℃, effectively preventing leakage of mineral oils, synthetic lubricants, and gaseous media. Its black, one-piece circular cross-section design fits standard seal grooves in most industrial equipment, making it particularly suitable for automotive engines, gearboxes, and other applications demanding exceptional sealing reliability, providing long-lasting protection for powertrain systems.
TECHNICAL PARAMETERS
| Category | Details |
| Product Name | HNBR Hydrogenated Nitrile O-Ring |
| Part Number | 281518799 |
| Size | 9.2x1.2mm |
| Material | HNBR 70 |
| Color | Black |
| Core Functions | Sealing, oil resistance, high temperature resistance |
| Design Feature | Standard circular cross-section |
| Application | Automotive engines, gearboxes, hydraulic systems |
| Package Quantity | 2800pcs |
advantages:
- Superior Oil & Temperature Resistance:HNBR material exhibits excellent tolerance to mineral oils, hydraulic fluids, and synthetic lubricants, maintaining stable sealing performance at 150℃ and withstanding peak temperatures up to 170℃, meeting the demands of high-temperature environments like automotive engines. 2. Exceptional Aging & Corrosion Resistance:Boasting outstanding ozone and chemical corrosion resistance, it resists hardening and cracking in humid, acidic, or alkaline environments, offering a service life 2-3 times longer than standard NBR and significantly reducing maintenance frequency and costs. 3. High Sealing Reliability:The uniform circular cross-section design delivers balanced sealing pressure in both static and dynamic conditions, effectively preventing medium leakage even during equipment startup/shutdown or pressure fluctuations, ensuring system stability. 4. Long-Lasting Elasticity:Hydrogenation-optimized molecular structure enhances compression set resistance, maintaining excellent resilience after prolonged compression and preventing equipment failures caused by seal degradation. 5. Universal & Easy Installation:Standard dimensions fit seal grooves in most industrial equipment, enabling quick installation without additional machining or customization, offering broad compatibility and reducing project timelines and costs.
Applications:
- In automotive engines, it seals valve covers, oil pans, and oil filter interfaces to prevent engine oil leakage, avoiding wear and performance degradation caused by oil loss.
- As an oil seal in gearboxes and differentials, it blocks gear oil from external contaminants, ensuring lubrication efficiency and extending the lifespan of gear components.
- Provides dynamic sealing for hydraulic system valve blocks, cylinders, and pumps, preventing hydraulic oil leakage, maintaining system pressure stability, and ensuring precise operation of construction machinery and industrial equipment.
- Used in motor housings and battery cooling circuits of new energy vehicles, it seals coolant and lubricating grease to protect electrical components from liquid damage, enhancing system safety and durability.
- Suitable for high-pressure components like pumps and motors in construction machinery, it withstands frequent pressure shocks and mechanical vibrations, providing reliable sealing for continuous operation in harsh conditions.
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