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Idemitsu is a leading Japanese lubricant manufacturer, established and developed with over 100 years of experience.
With a forward-thinking vision in formulating environmentally friendly engine lubricants, the company is committed to finding effective and practical solutions to meet the requirements of both customers and the environment. Idemitsu is proud to be a pioneer in innovation. Our state-of-the-art laboratories have strict quality control processes to ensure all premium products surpass the quality requirements of most Japanese car manufacturers.
For many generations, Idemitsu’s powerful yet fuel-efficient lubricants have earned customer trust. Breakthrough advancements in formulating low-viscosity engine oils allow for optimal fuel economy, while excellent thermal resistance and oxidation stability help extend oil change intervals. With passion and continuous refinement, the company’s goal is to achieve a perfect balance between maximum performance and engine protection.
Idemitsu Gear GL-5 SAE 80W-90 is a high-quality gear and automotive axle oil meeting API GL-5 standards. The product is formulated with EP (Extreme Pressure) additives, antioxidants, corrosion inhibitors, and anti-foaming agents, along with selected base oils.
PRODUCT CHARACTERISTICS
– Packaging: 20 Liter Pail & 200 Liter Drum
QUALITY SPECIFICATIONS TABLE
| TEST PARAMETERS | UNIT | 80W-90 | TEST METHOD |
| Color | L4.5 | ASTM D-1500 | |
| Density at 15°C | g/cm³ | 0.8958 | ASTM D-4052 |
| Viscosity at 40°C | cSt | 126.2 | ASTM D445 |
| Viscosity at 100°C | cSt | 14.09 | ASTM D445 |
| Viscosity Index (VI) | 110 | ASTM D-2270 | |
| Pour Point | oC | -32.5 | ASTM D-97 |
| Flash Point, COC | COC | 194 | ASTM D-92 |
| Foaming Tendency 93.5°C | ml | 0-0 | ASTM D-892 |
| Foaming Tendency 24°C | ml | 0-0 | ASTM D-892 |
| TAN | mgKOH/g | 0.93 | ASTM D-664 |
| Copper Corrosion (100oC x 3h) | 1(1b) | D-130 |
KEY BENEFITS
– High Viscosity Index: Ensures minimal viscosity fluctuation due to temperature changes, aids smooth starting at low temperatures, and reduces gearbox torque loss.
– High Oxidation Stability: The combination of antioxidants and highly refined base oils ensures excellent oxidation stability under high-temperature operating conditions.
– High Endurance Ability For Heavy Load: Extreme Pressure additive prevents welding and pitting at gear contact points due to heavy loads.
– Prevent Foaming: The addition of anti-foaming agents helps prevent foaming for smoother lubrication.
– Prevent Corrosion & Rust: Effective rust preventatives and corrosion inhibitors help prevent corrosion caused by water and acids generated during oil degradation.
