Product Introduction
L-HG Hydraulic Guide Rail Oil is a dual-purpose high-performance lubricant designed for machine tools with integrated hydraulic and guide rail systems.
Formulated with refined mineral base oil and dual-purpose additives, it complies with GB/T 5903 standards and delivers exceptional lubrication for both hydraulic systems and guide rail mechanisms.
This product is compatible with hydraulic guide rail oils and synthetic guide rail oil applications, engineered to meet the dual requirements of hydraulic pressure transmission and guide rail lubrication.
It provides excellent anti-wear performance, friction stability, and hydraulic system compatibility, ensuring smooth operation of integrated machine tool systems and extending the service life of both hydraulic and guide rail components.
L-HG Hydraulic Guide Rail Oil is the ideal choice for modern machine tools with combined hydraulic and guide rail systems.

Material & Production Process
• Core Material: High-purity refined mineral base oil blended with dual-purpose anti-wear additives, friction modifiers, and hydraulic system-compatible additives. The oil has balanced hydraulic and guide rail lubrication properties, with mechanical impurity content ≤0.003% to meet the precision requirements of integrated machine tool systems.
• Production Flow: ① High-quality base oil selection: Refined mineral base oil undergoes rigorous testing for hydraulic performance and guide rail lubrication characteristics; ② Dual-purpose additive blending: Precision mixing of additives that meet both hydraulic system and guide rail requirements using computer-controlled systems; ③ Homogenization: Specialized process to ensure complete integration of additives and base oil; ④ Dual-system testing: Performance verification on both hydraulic system test benches and guide rail test equipment to confirm multi-functional performance; ⑤ Quality control: Strict testing against dual-system industry standards, ensuring compliance with both hydraulic and guide rail lubrication requirements; ⑥ Sealed packaging: Protective packaging to maintain the oil's purity and performance.
Technical Parameters
|
Item |
Quality Index (L-HG46 as example) |
Test Method |
|
Viscosity Grade (GB/T3141) |
L-HG32, L-HG46, L-HG68, L-HG100 |
- |
|
Kinematic Viscosity (40℃), m²/s |
41.4~50.6 |
GB/T 265 |
|
Viscosity Index (min) |
95 |
GB/T 2541 |
|
Pour Point (max), ℃ |
-10 |
GB/T 3535 |
|
Flash Point (Open Cup, min), ℃ |
180 |
GB/T 3536 |
|
Anti-Wear Performance (Four-Ball Test, PB value), N (min) |
1372 |
GB/T 3142 |
|
Friction Coefficient (20℃), μ (stable range) |
0.12~0.15 |
SH/T 0189 |
|
Hydraulic System Compatibility |
Pass |
GB/T 11118.1 |
Product Advantages
1. Dual-purpose formulation provides effective lubrication for both hydraulic systems and guide rail mechanisms, eliminating the need for separate lubricants in integrated machine tools.
2. Excellent anti-wear performance protects hydraulic components (pumps, valves, cylinders) and guide rail surfaces from wear, extending overall machine tool life.
3. Stable friction characteristics ensure smooth guide rail movement and precise positioning, critical for machining accuracy.
4. Good hydraulic system compatibility maintains hydraulic pressure transmission efficiency and protects hydraulic seals from damage.
5. Thermal stability resists degradation at operating temperatures (up to 100℃) during continuous machine tool operation, extending oil change intervals.
Application Fields
Mainly applicable to integrated machine tool systems with combined hydraulic and guide rail lubrication requirements, including CNC machining centers, milling machines, lathes, and grinding machines with integrated hydraulic systems. Suitable for machine tools in manufacturing industries such as automotive, aerospace, electronics, and precision engineering, where dual-system lubrication is required.
Packaging & Shipping
• Packaging: Sealed, leak-proof iron drums (200L) and durable plastic buckets (16L) with clear labeling of dual-purpose application, viscosity grade, and safety instructions. The packaging is designed to prevent contamination during storage and transportation.
• Shipping: Supports global sea, air, and land transportation. Avoid direct sunlight, high temperatures, and severe impacts during transit. Accompanied by complete technical documents, including dual-system compatibility certificates and customs clearance documents.
• Storage: Store in a cool, dry, and well-ventilated warehouse at 5℃~35℃, away from fire and oxidants. Keep sealed for a shelf life of 24 months under standard conditions.





FAQ
Customer Reviews
• "Our CNC machining centers have integrated hydraulic and guide rail systems, and this dual-purpose oil has simplified our maintenance while improving machine performance-excellent compatibility and protection!" - A precision manufacturing company in Switzerland
• "The stable friction characteristics and hydraulic compatibility have exceeded our expectations. Our machine tools operate smoothly with consistent machining precision." - An aerospace component manufacturer in the US
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