1. Core Features and Product Positioning

1. Enhanced Low-Temperature Performance

• Operating Temperature Range: -50°C and above (pour point ≤-60°C; some data specify -55°C), meeting cold-start requirements for equipment in frigid regions (e.g., Northeast/Northwest China) and high-altitude airports.

• Optimized Viscosity-Temperature Profile: Kinematic viscosity of 10 mm²/s at 50°C and ≤1250 mm²/s at -40°C, balancing low-temperature flowability and high-temperature lubrication for wide-range hydraulic systems.

2. Industrial-Grade Cost Efficiency

• Cost-Optimized Formula: Refines the Sky Series (SH 0358-1995 standard) by blending deeply refined paraffinic oil with synthetic hydrocarbons, reducing production costs while retaining critical performance.

• High Cleanliness: Achieves NAS Class 7 cleanliness, minimizing wear and blockages in hydraulic systems.

3. Safety and Environmental Compliance

• Air Release and Water Separation: Rapid air release and water separation prevent cavitation and emulsification, ensuring pressure stability.

• Low Corrosivity: Acid value ≤0.03 mgKOH/g, passing lead corrosion tests to protect metal components.

2. Key Performance Parameters

3. Applications and Compatible Equipment

1. Aviation Ground Equipment

• Airport Vehicles: Aircraft tractors, fire trucks, and boarding stairs requiring low-T tolerance and cleanliness.

• Military Equipment: Rocket force transporters, tank hydraulics, and radar vehicles for harsh field conditions.

2. Industrial and Civilian Use

• Cold-Region Machinery: Cranes, excavators, and port equipment in Northeast China, replacing traditional cooling oils.

• High-Precision Systems: CNC machines, high-pressure ethylene pumps, and ultra-high-voltage switchgear reliant on stable fluid performance.

3. Specialized Vehicles

• Firefighting and Emergency Systems: Urban fire trucks requiring rapid response and cold resistance.

• High-Speed Rail Maintenance: Hydraulic systems for track maintenance machinery in low-T environments.

4. Technical Standards and Production Process

1. Compliance Standards

• Domestic: Q/SY YM 0024-2000 (core Kunlun standard), compatible with Q/STL 001-2011 (Terlube equivalents).

• International: Replaces Soviet-era 10/12 aviation hydraulic oils and aligns with U.S. MIL-H-5606E standards.

2. Production Process

• Base Oil: Primarily deeply dewaxed paraffinic oil blended with synthetic hydrocarbons (e.g., PAO) for low-T performance at ~20% lower cost vs. Sky Series.

• Additives: Antioxidants (e.g., amine-based), anti-wear agents (ZDDP), and defoamers for oxidation stability and extreme-pressure lubrication.

3. Packaging and Storage

• Packaging: 10kg steel drums (2 drums/box) or 170kg bulk drums for industrial procurement.

• Storage: Store in sealed, light-proof, dry conditions (≤30°C) away from contaminants.

5. Market Competitiveness Analysis

1. Vs. Domestic Alternatives

• Terlube No. 10 Ground Series:

• Performance: Comparable (pour point -55°C vs. -50°C), both meet Q/SY YM 0024.

• Cost: Terlube is ~15% cheaper, but Kunlun has higher brand trust (military/state-owned enterprise preference).

• Vs. Sky Series: Ground version costs 30–40% less but sacrifices ultra-low-T performance (-50°C vs. -70°C).

2. Vs. Imported Products

• Substitutability: Fully replaces MIL-H-5606E-compliant oils with 40–50% cost advantage.

• Supply Chain Stability: Domestic production ensures availability, avoiding geopolitical risks.

3. Selection Guidelines

• Priority Use Cases:

• Operating temperatures ≥-50°C with budget constraints.

• Industrial systems requiring high cleanliness and extended oil life.

• Alternatives: For temperatures below -50°C or aviation-grade purity, use Sky Series.

6. Usage Guidelines and Precautions

1. Oil Change and Maintenance

• Initial Change: After equipment break-in (~250 hours).

• Regular Intervals: Based on oil condition (replace if acid value >0.05 mgKOH/g or viscosity change >10%), typically 300–500 hours.

2. Prohibitions and Risks

• Mixing Prohibited: Avoid blending with other brands or Sky Series to prevent additive conflicts.

• Contamination Control: Clean systems thoroughly before refilling; use dedicated filtration.

3. Emergency Handling

• Cold-Start Protocol: Pre-heat oil tanks below -50°C to prevent pump cavitation.

• Leak Response: Shut down immediately, inspect seals, and replace contaminated oil.

7. Summary

Kunlun No. 10 Aviation Hydraulic Oil (Ground Series) excels in -50°C low-T resilience, industrial cost-efficiency, and high cleanliness, making it an optimal choice for ground equipment in cold climates. Compliant with Q/SY YM 0024, it serves airports, military, and civilian machinery while offering significant cost advantages over imports. Users should select based on operating conditions, budgets, and equipment requirements, adhering strictly to storage and maintenance protocols to maximize performance and equipment longevity.