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HNBR70K O-Ring | O Ring Seal | High-Temp Oil-Resistant Seal
Product Description
This HNBR70K O-Ring, sized 19x2.6mm, is a high-performance sealing component engineered for demanding oil-contact environments. Made from hydrogenated nitrile butadiene rubber, it delivers reliable sealing between -40°C and 150°C, with superior resistance to mineral oils, hydraulic fluids, and ozone. The black, one-piece circular design fits standard seal grooves in automotive engines, hydraulic valves, and industrial pumps, creating a durable barrier against fluid leakage. Its HNBR70K material offers exceptional anti-aging and compression set resistance, ensuring long-term performance even under dynamic operating conditions, making it ideal for critical sealing applications.
TECHNICAL PARAMETERS
Category
Details
Product Name
HNBR70K O-Ring
Part Number
281518763
Material
HNBR70K (Hydrogenated Nitrile Butadiene Rubber), black
Superior Oil & Heat Resistance: HNBR70K withstands -40°C to 150°C, resisting mineral oils and hydraulic fluids better than standard NBR.
Anti-Aging & Durability: Resists ozone, oxidation, and compression set, extending service life by 2–3 times compared to NBR.
Dynamic Sealing Capability: Maintains integrity under pressure fluctuations and movement, suitable for hydraulic and automotive systems.
Universal Compatibility: Standard circular cross-section fits most equipment seal grooves, enabling direct installation.
Consistent Quality: Precision dimensions and high-grade material ensure reliable performance in harsh industrial environments.
Applications:
Seals automotive engine oil pans and valve covers to prevent oil leakage and maintain lubrication efficiency.
Provides dynamic sealing for hydraulic cylinders and pumps, preventing fluid loss and stabilizing system pressure.
Protects industrial pumps and compressors from abrasive wear, extending equipment uptime.
Reduces vibration transmission between mating surfaces, improving equipment stability and reducing noise.
Ensures leak-proof performance in gearboxes and transmissions, supporting smooth vehicle operation.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1976
Employee Number:
401~500
Ecer Certification:
Verified Supplier
Company presentation
Qingdao Global Sealing-tec co., Ltd, (Established on the basic of the International Trade Dept. of Qingdao TKS SealingIndustry Co., Ltd). TKS is a leading specialized manufacturer of rubber and plastic sealing products, such as oil seals, valve stem oil seals, PTFE oi... Company presentation
Qingdao Global Sealing-tec co., Ltd, (Established on the basic of the International Trade Dept. of Qingdao TKS SealingIndustry Co., Ltd). TKS is a leading specialized manufacturer of rubber and plastic sealing products, such as oil seals, valve stem oil seals, PTFE oi...