Molybdenum Dithiophosphate (MoDTP)
Molybdenum dithiophosphate (MoDTP) combines the antiwear functionality of dithiophosphate chemistry with the friction-reducing capability of organo-molybdenum, offering a dual-action performance additive for premium lubricant formulations. Unlike MoDTC, MoDTP also contributes phosphorus-based antiwear protection, making it effective in both boundary and mixed lubrication regimes. It is particularly valued in gear oils, automatic transmission fluids, and high-performance engine oils.
Technical Specifications
| appearance | Dark amber to dark green liquid |
| sulfur content | 12.0–15.0 wt% |
| flash point (COC) | >150 °C |
| molybdenum content | 7.0–9.0 wt% |
| phosphorus content | 4.5–6.0 wt% |
| kinematic viscosity (100°C) | 30–80 mm²/s |
Applications
- High-performance engine oils requiring combined antiwear and friction reduction
- Automatic transmission fluids and dual-clutch transmission fluids
- Axle and gear oils for passenger cars and commercial vehicles
- Industrial gear oils operating under high-load, high-temperature conditions
- Marine engine and gearbox lubricants
Key Features
- Dual antiwear and friction-modifier functionality in a single organo-molybdenum compound
- Phosphorus content contributes protective antiwear film complementary to ZDDP chemistry
- Effective across wide temperature range from cold-start to high-temperature operation
- Low treat rate (0.3–1.0%) effective in achieving measurable friction reduction
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