I. Core Product Features

1. Military Standards & Compatibility

• Complies with Chinese Military Standard GJB1177A-1991(2013) and matches performance of U.S. MIL-H-5606E, replacing older domestic No. 10 and No. 12 aviation hydraulic oils. Ideal for precision aviation systems ()]()]().

• High Cleanliness: Particle contamination control meets NAS 5 (≤1,000 particles of 5–15μm per 100mL), significantly surpassing older models ()]().

2. Extreme Temperature Performance

• Operating Range: -54°C to +135°C; Pour Point: ≤-65°C, ensuring reliability in polar or high-temperature environments ()]()]().

• Viscosity Stability: Kinematic viscosity ≤13.2 mm²/s at -40°C, guaranteeing lubrication during cold starts ()]().

3. Chemical Properties

• Oxidation Resistance: Acid value ≤0.20 mgKOH/g after 160°C oxidation test, extending service intervals ()]().

• Anti-Wear Performance: Advanced additives minimize component wear and prolong equipment life ()]().

II. Technical Parameters (GJB1177A Standard)

III. Applications

1. Aviation Sector

• Military Aircraft: Hydraulic systems in fighter jets, helicopters, and bombers .

• Civil Aviation: Hydraulic systems for commercial aircraft (e.g., Boeing 737, Airbus A320) and ground equipment (e.g., boarding bridges) .

2. Industrial Equipment

• Specialized Machinery: CNC machines, high-pressure ethylene pumps, shipboard cranes .

• Extreme Environments: Antarctic research vehicles, high-altitude construction machinery .

IV. Usage & Storage Guidelines

1. Operational Restrictions

• Incompatibility: Do NOT mix with synthetic hydrocarbon or phosphate ester oils to avoid seal degradation .

• Contamination Control: Use clean tools for refilling; seal containers immediately after opening .

2. Storage Conditions

• Store in cool, dry areas away from ignition sources; prevent moisture and contaminants .

V. Procurement & Authentication

1. Authorized Channels

• Manufacturer: Yumen Petrochemical Plant (subsidiary of China National Petroleum Corporation) .

• Authorized Distributors: Henan Aviation Material Technology, Shanghai Songhang Trading—verify business licenses and authorization certificates .

2. Anti-Counterfeit Measures

• Packaging Markings: Look for "Kunlun" logo, batch number, and GJB1177A compliance .

• Third-Party Reports: Request test reports validating pour point and contamination levels .

VI. Performance Comparison with No. 10/12 Hydraulic Oils

Summary

Kunlun No. 15 Aviation Hydraulic Oil is the preferred choice for modern precision hydraulic systems, offering unmatched low-temperature performance, cleanliness, and durability. It is widely adopted in both military and civil aviation sectors. Users must procure through authorized channels and adhere strictly to operational protocols to ensure system integrity.