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A · Basic & metadata

H85-RAIL H85-RAIL - Copy Collected

Material reference summary · Organized from personal and public references
Material categoryRubber
Base polymerHNBR Hydrogenated nitrile rubber
Information sourceMseal 动态密封材料中心

B · Physical & operating parameters

Hardness85 Shore A
Service temperature-35 ~ 160 ℃
Density1.28 g/cm³

C · Category-specific performance

CharacteristicsHigh-strength wear-resistant HNBR 85 for rail axle boxes and high-load dynamic oil seals.
Mechanical properties22.0 MPa tensile strength and 230% elongation with outstanding tear and fatigue resistance.
Thermal propertiesRecommended continuous range -35 to 150°C, short excursions to 160°C.
Friction & wearHigh wear resistance and low compression set for continuous rotation in contaminated environments.

Test result summary

Test metricValueUnitStandardTest date
Tensile strength22.0MPaGB/T 528
Elongation at break230%GB/T 528
Density1.28g/cm³GB/T 533

D · Processing & supply-chain information

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E · Standards, history & files

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