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T551 Heterocyclic Derivatives
T551 Heterocyclic Derivatives
Product Name: T551
CAS Number: 15497-45-7
Chemical Name: Heterocyclic Derivatives
Related Products: T551
Category:
Keywords:
Colloid Compound
Product Overview
T551, as a benzotriazole derivative, plays a clear role in enhancing oil performance. It effectively inhibits the catalytic oxidation of oils by metal ions—either through the formation of an inert film on metal surfaces or by chelating with metal ions—thereby improving the oil's antioxidant properties and suppressing copper corrosion, significantly extending its service life. Due to its shorter molecular chain and higher nitrogen content, T551 exhibits remarkable synergistic effects when combined with antioxidants such as T501, enhancing the overall antioxidant performance. It is widely used in lubricants like HL universal machine tool oils and steam turbine oils. However, given its strong alkalinity, it should be kept away from acidic additives and ZDDP formulations to prevent potential reactions.
Performance Characteristics
① Enhanced antioxidant capability: Improves the overall antioxidant performance of the oil, ensuring long-term stability and effectiveness, extending maintenance intervals, and enhancing equipment performance and service life.
② Outstanding metal protection performance: By forming an inert film on the metal surface or chelating with metal ions, an effective barrier is established to prevent oxidation and other harmful reactions, thereby safeguarding metal components.
③ Excellent Synergistic Performance: When combined with antioxidants, it significantly enhances the synergistic inhibition of metal ion catalysis that triggers oil oxidation, thereby boosting protective efficacy and reinforcing both the protection performance and operational efficiency of the oil.
Scope of Application
Applied to industrial lubricants, automotive lubricants, marine lubricants, and greases.
Recommended Dosage
0.03%-0.10%
Packaging Specifications
20L plastic drums, net weight 15 kg/drum; 200L iron drums, net weight 180 kg/drum.
Technical Indicators
| Project |
Typical Data |
Test Method |
| Appearance |
Yellow transparent liquid |
Visual estimation |
| Kinematic viscosity (50℃), mm²/s |
11.20 |
GB/T 265 |
| Density (20℃), kg/m³ |
1002 |
GB/T 1884 |
| Flash point (open cup), °C |
158 |
GB/T 3536 |
| Alkalinity, mg KOH/g |
219 |
SH/T 0251 |
Note: The data listed in the above table are typical values and are for reference only.
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