Automotive Gear Oil Additives
Gear oil is a kind of oil specially used to lubricate all kinds of gear transmission devices. It is mainly composed of petroleum lubricant base oil or synthetic lubricant, and added with special additives such as extreme pressure anti-wear agent and oily agent to enhance its performance.
Product Details：Automotive Gear Oil Additives
Gear oil stands as a high-performing lubricant, primarily destined for lubricating gear transmission mechanisms, encompassing transmissions and rear axles. Its comprehensive benefits encompass lubricating gears and bearings to forestall wear and corrosion, facilitating the dissipation of heat emanating from gears, diminishing the intensity of tooth impacts and noise, and executing a vital washing function that rids gear surfaces of contaminants and solid particles, ensuring smooth and efficient operation.
PARAMETER：
Sports Event | Quality Indicators | Test Methods | ||||||
Viscosity grade | 100 | 150 | 220 | 320 | 460 | 680 | ||
Kinematic viscosity (40°C) mm²/s) |
90-110 |
135-165 |
198-242 |
288-352 |
414-506 |
612-748 | GB/T265 | |
Viscosity index | not less than |
90 |
90 |
90 |
90 |
85 |
85 | GB/T1995 |
Open flash point,℃ | not less than | 200 | 200 | 200 | 200 | 200 | 200 | GB/T3536 |
Pour point,°C | not exceeding |
-12 |
-9 |
-9 | -9 | -9 |
-5 | GB/T3535 |
Steel sheet corrosion(100°C,)(3 hours)/grade | not greater than | 1 |
GB/T5096 | |||||
Corrosion test(distilled water) | rust-free | GB/T11143 | ||||||
Foaminess (Foam propensity/foam stability) mL/mL 24°C 93.5°C Post 24°C |
not greater than not greater than not greater than |
50/0 50/0 50/0 |
GB/T12579 | |||||
Tim ken test(OK load) /N(Lb) | not less than |
267(60) |
GB/T11144 | |||||
Anti-emulsification (82℃)Water in oil /%(mass fraction), emulsion layer /ml,total separated water/ml |
not greater than |
2.0 1.0 80.0 |
GB/T8022 | |||||
Four-ball test Load wear index/ N Sintering load(Pvalue)/N | not less than not less than |
441(45) 2450(250) |
GB/T3142 | |||||
CL-100 Gear Test (A/8.3/90) | not less than |
12 |
>12 |
>12 |
>12 |
>12 |
>12 | SH/T0305 |
1. Rewritten Advantages of Gear Oil
(1) Enhanced Oxidation Durability: Gear oil, fortified with specialized oxidation inhibitors, ensures prolonged service life even in high-temperature settings. This feature prevents the formation of gummy residues caused by oil oxidation, keeping the transmission system pristine and functioning optimally.
(2) Boosting Power Transmission Efficiency: By minimizing tooth wear and mitigating transmission losses, gear oils contribute to an increase in overall machinery power transmission efficiency. This translates to reduced energy expenditure and operational expenses. Moreover, they exhibit excellent low-temperature fluidity, seamless integration with sealing materials, and robust storage stability.
(3) Comprehensive Benefits for Gear Drives: The comprehensive performance profile of gear oils not only extends the lifespan of gear drives but also decreases the need for frequent repairs and replacements, ultimately lowering maintenance costs. With its superior lubrication, anti-wear, cooling, and oxidation resistance capabilities, gear oil stands as an indispensable lubricant for any gear transmission system.
2. Deployment Contexts
(1) In the realm of enclosed gearboxes, Closed Gear Oil stands as the premier choice, meticulously addressing the demands of high-pressure wear protection and oxidation resistance. Its versatility extends to multiple formulations tailored to specific load and temperature challenges, like CKB optimized for antioxidation and rust prevention, CKC for moderate industrial loads, and CKD catering to the extreme demands of heavy-duty industrial applications.
(2) Conversely, Open Gear Oil is the lubricant of choice for low-speed, heavy-duty gear assemblies operating in either unenclosed or partially enclosed environments. Its key attributes lie in its superior adhesive and cohesive abilities, vital for ensuring consistent lubrication and guarding gears against external elements. Additionally, a diverse selection of open gear oils exists, each tailored to specific load and temperature requirements, from CKH for standard applications, CKJ engineered to withstand extreme pressures, to CKM designed for the most arduous heavy-duty operations.
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