PETRONAS HYDRAULIC 46 is a premium-performance lubricant specifically engineered for high-demand industrial and mobile hydraulic systems
Advanced Anti-Wear Protection: Protects high-pressure pumps and internal components against mechanical wear, minimizing maintenance costs and equipment downtime
Exceptional Thermal & Oxidation Stability: Withstands continuous high operating temperatures (flash point of 228°C / 442°F)
Superior Lubricity: Formulated to maintain consistent fluid viscosity across typical operating temperatures for smooth fluid power transmission
Safety & Regulatory Compliance: Not classified as a hazardous mixture under Malaysia's CLASS Regulation P.U. (A) 310/2013
Water Demulsibility: Immiscible in water, facilitating swift separation of water contamination for easier system drainage
| Property / Parameter | Value / Metric | Standard Test Method |
| Product Trade Code | 77569 | — |
| Physical State | Viscous Liquid | Visual |
| Appearance & Color | Viscous Amber | Visual |
| Kinematic Viscosity @ 40°C | 45.71 cSt | ASTM D445 |
| Kinematic Viscosity @ 100°C | 7.415 cSt | ASTM D445 |
| Density @ 15°C | 0.8464 g/cm³ | ASTM D4052 |
| Flash Point (COC) | 228°C (442°F) | ASTM D92 |
| Initial Boiling Point & Range | > 300°C (> 572°F) | ASTM D2887 |
| Water Solubility | Immiscible | Visual |
| DMSO Extract (Base Oil) | < 3% (Non-carcinogenic grade) | IP 346 |
| Chemical Component | CAS Registry No. | Weight Concentration (%) | Hazard Classification |
| Hydrotreated Heavy Paraffinic Distillates | 64742-54-7 | 70.0% – <90.0% | Not classified as hazardous |
| Hydrotreated Light Paraffinic Distillates | 64742-55-8 | 20.0% – <30.0% | Asp. Tox. 1 (H304) |
| 2,6-di-tert-butylphenol | 128-39-2 | 0.1% – <0.25% | Skin Irrit. 2 (H315), Aquatic Acute/Chronic 1 (H400/H410) |
Storage Recommendation: Store in the original tightly sealed container under cover
. Protect from heat, direct exposure to open flames, and static electricity buildup . Avoid storing outdoors exposed to extreme weather .
Ingestion: Do not induce vomiting to avoid respiratory aspiration
Skin Contact: Wash thoroughly with soap and water after removing contaminated clothing
Eye Contact: Rinse cautiously with water for at least 10 minutes keeping eyelids open
Inhalation: Move affected individual to fresh air; seek medical attention if symptoms develop
| Aspect | Recommended Protocol / Standard |
| Suitable Fire Extinguishers | Water mist, foam, carbon dioxide ($CO_2$), or dry chemical powder |
| Unsuitable Extinguishers | Direct high-pressure water jets (may spread burning liquid) |
| Occupational Exposure Limit (OEL) | Oil Mist TLV/TWA (8h): 5 mg/m³ | STEL: 10 mg/m³ |
| Personal Protection (PPE) | Nitrile/Neoprene gloves, chemical safety goggles, protective work wear |
| Waste Disposal | Dispose of via licensed waste disposal contractors in accordance with environmental regulations |
Brand Owner: PETRONAS Lubricants International Sdn. Bhd.
Headquarters: Tower 1, PETRONAS Twin Towers, Kuala Lumpur City Centre, 50088 Kuala Lumpur, Malaysia
Emergency Hotline (24/7): +60 3 6207 4347
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