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Ultra-Low Temperature Hydraulic Oil
Ultra-Low Temperature Hydraulic Oil
Ultra-Low Temperature Hydraulic Oil

Ultra-Low Temperature Hydraulic Oil

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Brand: Hugsun 海德森
Product Code: product 25
Availability: In Stock
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Product Description

Ultra-Low Temperature Hydraulic Oil

Complies with or exceeds DIN 51524 Part II, Denison HF - 0, ISO 11158:2009(E), GB11118.1 - 2011 standards
Base Oil Type Premium CTL Base Oil
Operating Temperature Range -60°C ~ Upper limit not specified (estimated based on equipment conditions)

Core Features

  • Excellent viscosity-temperature performance and shear stability ensure stable lubrication and normal operation of hydraulic systems under significant temperature variations.
  • Outstanding extreme pressure and anti-wear properties effectively reduce equipment wear, extend hydraulic system lifespan, and lower maintenance costs.
  • Superior anti-corrosion and anti-rust properties protect metal components from corrosion, extending overall equipment service life.
  • Exceptional low-temperature performance with a pour point as low as -60°C, ensuring normal startup and operation in extreme cold environments.
  • Excellent air release properties enable sensitive, precise, and stable transmission of hydraulic energy, ensuring efficient system operation.
  • Good compatibility with conventional sealing materials, preventing seal damage and maintaining hydraulic system integrity.

Technical Specifications

Test Item L-HS22 L-HS32 L-HS46 Test Standard
Kinematic Viscosity (40°C)/(mm²/s) 20.95 32.54 45.05 GB/T 265
Viscosity Index 162 156 153 GB/T 1995
Pour Point/°C -60 -48 -45 GB/T 3535
Flash Point (Open)/°C 234 236 249 GB/T 3536
Copper Strip Corrosion (100°C, 3h)/Grade 1b 1b 1b GB/T 5096
Demulsibility (40 - 37 - 3)/min, 54°C 10 10 10 GB/T 7305
Water Content (Mass Fraction)% Trace Trace Trace GB/T 260

Performance Benchmarks

Near Perfect
Excellent Performance

Application Fields

  • Engineering machinery operating outdoors in winter or extreme cold regions, such as polar expedition equipment or construction machinery in frigid mountainous areas.
  • Medium-to-high pressure hydraulic systems with significant environmental or operational temperature variations, such as mining machinery at high altitudes or oilfield equipment in cold regions.

Usage Guidelines

  • Storage Temperature: Below 60°C; store indoors or under cover to avoid direct sunlight and rainwater ingress. If stored outdoors, tilt containers to prevent rusting.
  • Oil Change Interval: Recommended based on equipment usage frequency and operating conditions, typically 3000 - 5000 hours or 1 - 2 years (for reference only; adjust according to actual conditions).
  • System Cleanliness: Maintain at NAS Class 10 or better (ensure low impurity content to reduce wear risks).
  • Seal Compatibility: Compatible with conventional sealing materials like nitrile rubber (NBR) and fluororubber (FKM).
  • Precautions: Prevent water ingress and contamination during storage/transport; never mix with other oils to avoid performance degradation.

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