Description
T323 antioxidant is a kind of multipurpose ashless additive. It not only has outstanding anti-oxidation performance, but also has great abrasion resistance and extreme pressure properties. Meanwhile, it has excellent compatibility with other additives, can be used for steam turbine oil, hydraulic oil, gear oil, internal combustion engine oil and other kinds of oil for the improvement of their anti-oxidation and abrasion resistance. It’s also an effective extreme-pressure additive for lubricating grease.
| Items | Typical Value | Test Methods |
| Appearance | Light brown transparent liquid | Visual |
| Density (20°C), kg/m3 | 1050-1100 | GB/T 13377 |
| Kinematic Viscosity, 100°C, mm2/s | Report | strong>GB/T 265 |
| Nitrogen Content, m% | 6.30~7.00 | NB/SH/T 0704 |
| Sulphur Content, m% | 26.50~32.50 | SH/T 0303 |
| Flash Point (COC), °C | ≥ 170 | GB/T 3536 |
| Water content,% | ≤ 0.10 | GB/T 260 |

Business & Products
Shanghai Minglan specializes in lubricant additive R&D, production, and sales, offering:
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Engine oil additive packages
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Gear, hydraulic, and industrial oil additives
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Individual components such as detergents, dispersants, VI improvers, pour point depressants, antifoam agents, rust inhibitors, and antioxidants

Who We Are
With years of industry experience and a strong focus on R&D, Shanghai Minglan Chemical specializes in the development, production, and export of high-quality lubricant additive packages, including:
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Engine oil additive packages (gasoline & diesel)
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Hydraulic oil additives
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Gear oil additives
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Industrial oil additives
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Viscosity index improvers, PPD, TBN boosters, and more
We serve a wide range of clients, from independent blenders to large-scale lubricant brands, across Asia, Europe, the Middle East, Africa, and the Americas.
🚀 Why Choose Us
✅ Excellent Cost-Performance Ratio
We understand the market’s demand for both quality and affordability. That’s why our additive packages deliver reliable performance at competitive prices.
✅ Tailored Solutions
Need a formula that meets a specific spec or local standard? Our technical team offers customized additive formulations and support based on your requirements.
✅ Fast Delivery & Stable Supply
With well-established logistics chains and large-scale inventory, we ensure on-time delivery and stable product supply—even during global shortages.
✅ Global Support
From formulation guidance to technical documentation, our team offers responsive and professional support every step of the way.
🌍 Let’s Grow Together
Whether you’re looking to upgrade your lubricant formulations or optimize production costs, Shanghai Minglan Chemical is here to help. Let us be your long-term partner in the ever-evolving lubricant industry.
📩 Contact us today to get product catalogs, technical data sheets, and samples.








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