OZ 8550 is a precisely formulated additive package containing an optimized ratio of detergent and dispersant components. It provides excellent detergency, lubricity, and low-ash performance while ensuring effective smoke control. The additive offers strong corrosion resistance, prevention of early ignition, and helps minimize exhaust system blockage. Oils formulated with OZ 8550 meet the requirements of the Japanese JASO M345 FB and FC performance standards, making it ideal for high-quality air-cooled two-stroke gasoline engines.
Performance Features
- Outstanding detergency and lubricity for two-stroke engines
- Low-ash formula with excellent smoke suppression
- Prevents pre-ignition and reduces exhaust system deposits
- Enhanced corrosion protection and long-term engine cleanliness
- Fully compliant with JASO M345 FB and FC specifications
Applications
- High-quality air-cooled two-stroke gasoline engines
- Motorcycles, scooters, chainsaws, and other small-displacement machines
Reference Dosage
- FB Level: 4.0% – for small-displacement air-cooled two-stroke engines (fuel ratio 35–50:1)
- FC Level: 5.7% – for larger or multi-displacement air-cooled two-stroke engines (fuel ratio 75–90:1)
Typical Properties
- Flash Point (Open Cup): 185 °C (GB/T 3536)
- Viscosity @100 °C: Reported (GB/T 265)
- Calcium: 0.50 wt% (SH/T 0270)
- Nitrogen: 0.85 wt% (SH/T 0224)
Packaging and Storage
- Packaging: Supplied in 200 kg steel drums
- Storage: Keep below 75 °C for short-term handling. For long-term storage, maintain below 45 °C in a dry, clean, and ventilated warehouse
- Shelf life: 2 years under recommended conditions
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