Product Introduction
Our Gasoline Engine Oil SN 5W-40 is a high-quality all-season lubricant crafted for modern gasoline engines, hitting the top API SN quality standard. It balances perfect low-temperature fluidity and stable high-temperature viscosity, working well in -30℃ to high-heat driving conditions. Great for daily city driving, highway trips and heavy-load running, it offers all-round protection for your engine, reduces wear and tear, and keeps the engine running smoothly for longer.
Technical Parameters
|
Parameter |
Specification |
Test Method |
|
Viscosity Grade |
SAE 5W-40 |
SAE J300 |
|
API Classification |
SN |
API 1509 |
|
Kinematic Viscosity (40°C) |
12~14 mm²/s |
GB/T 265 |
|
Flash Point (Open Cup) |
≥ 225°C |
GB/T 3536 |
|
Pour Point |
≤ -35°C |
GB/T 3535 |
|
Total Base Number (TBN) |
11~13 mgKOH/g |
GB/T 4945 |
|
Ash Content (wt%) |
≤ 0.8 |
ASTM D874 |
Key Features & Material Description
Base material: high viscosity index, excellent thermal stability, and low volatility, maintaining performance under high temperatures (up to 130°C).
Additive system: Blended with advanced detergent-dispersant additives, extreme pressure anti-wear agents, and low-ash additives to reduce deposits, protect turbochargers, and maintain catalytic converter efficiency.
Product Advantages
- Top anti-wear performance, effectively protecting engine parts from friction damage during start-up and operation.
- Excellent high and low temperature adaptability, quick cold start and stable viscosity at high temperatures without thinning.
- Active cleaning ingredients prevent sludge and deposits, keeping the engine interior clean for long-term use.
- Low oil consumption and good oxidation resistance, extending oil change intervals and cutting maintenance costs.
Production Process
Made with high-refined synthetic base oils and a scientifically blended additive package. After base oil purification and filtration, we add anti-wear, cleaning and antioxidant additives in precise proportions. The mixture goes through high-temperature homogenization and multi-stage testing to ensure consistent quality and compliance with API SN and SAE 5W-40 standards before leaving the factory.
FAQ
Q: What's the difference between SN 5W-40 and other grades?
A: It's the highest API SN grade for gasoline engines, with better low-temperature flow and high-temperature protection than SM/SL grades.
Q: Can it be used for turbocharged engines?
A: Yes, it's specially formulated for turbo engines to handle high-temperature and high-pressure working conditions.
Q: What's the recommended oil change interval?
A: 7500-10000 km for daily driving, adjust according to heavy-load or harsh working conditions.
Q: Is it suitable for all seasons?
A: Absolutely, it's an all-season oil, no need to replace with temperature changes.
Q: Can it be mixed with other engine oils?
A: Not recommended, mixing may reduce performance and damage the engine.
Q: Does it fit old cars with high mileage?
A: Yes, its proper viscosity ensures good sealing and reduces oil consumption for old engines.
Q: What certifications does it have?
A: It meets API SN, SAE 5W-40 and CF standards, compatible with most vehicle manufacturer requirements.
Company Services
Professional technical consultation to determine the right oil for your high-performance gasoline engine.
On-site support for oil change training and engine maintenance guidance.
Bulk order discounts and flexible payment terms (T/T, L/C) for premium fleet operators and automotive manufacturers.
Customized formulations for specific high-performance engine requirements (e.g., turbocharged, direct injection).
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