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Metal Deactivator T552
Metal Deactivator T552
C A S Number: 80301-64-0
Chemical composition: Benzotriazole derivatives
Related products: T552
Category:
Keywords:
Colloid Compound
Chemical structure
Product Overview
T552 is an advanced liquid‑soluble metal deactivator based on a benzotriazole derivative. While retaining its excellent ability to mitigate oil oxidation and inhibit copper corrosion, T552 further enhances oil solubility and emulsion resistance, and exhibits superior thermal stability. With a lower alkalinity than T551, it demonstrates reduced interaction with acidic additives. T552 also displays outstanding synergistic effects when combined with various antioxidants such as phenolic and amine types, delivering overall performance that surpasses T551 and making it a viable replacement. It is widely used in synthetic oils, HL‑type general‑purpose machine tool oils, steam turbine oils, greases, and fuel stabilizers.
Performance Features
① Full‑performance upgrade replacing T551: With superior overall performance, it is the ideal replacement for T551.
② Superior oil‑soluble antioxidant and copper corrosion inhibition: Its oil solubility, antioxidant performance, copper corrosion suppression, and thermal stability all outperform T551.
③ Better compatibility with low-alkalinity formulations: With a lower alkalinity, it exhibits reduced interaction with acidic additives, ensuring safer blending.
④ Significant broad-spectrum synergistic enhancement: Exhibits pronounced synergistic effects with various antioxidants, thereby bolstering the overall protective efficacy.
Scope of Application
① Industrial lubricants: gear oils, hydraulic oils, compressor oils, steam turbine oils, and HL general‑purpose machine tool oils.
② Automotive lubricants: engine oil, gear oil, and transmission fluid.
③ Metalworking fluids: cutting fluids, grinding fluids, and forming fluids.
④ Lubricating Greases: industrial lubricating greases, automotive lubricating greases.
⑤ Specialty oils: transformer oil, fuel additives, and synthetic lubricants.
Recommended dosage
0.03%-0.10%
Packaging Specifications
20L plastic drum, net weight 15 kg/drum; 200L steel drum, net weight 180 kg/drum.
Technical indicators
| Project |
Typical data |
Test method |
| Appearance |
Yellow transparent liquid |
Visual estimation |
| Kinematic viscosity (40°C), mm²/s |
64 |
GB/T 265 |
| Density (20°C), kg/m³ |
952 |
GB/T 1884 |
| Flash point (open cup), °C |
180 |
GB/T 3536 |
| Total alkalinity, mg KOH/g |
160 |
SH/T 0251 |
Note: The above data represent typical specifications only and do not constitute product performance specifications.
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