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                | Add:158 Xuecheng Road, Xueyan Town, |  
                | Wujin City, Jiangsu, China (213169) |  
                | Tel:+86-519-86160288, 86158021, |  
                | 86158322, 86160118, 86160228 |  
                | Fax:+86-519-86162202 |  
                | E-mail:jushun@liyangchem.com |  |  |  | 
      
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                  | 551(C-20) metal passivator (code T551) |  
                  | Brief 551 metal passivator is brown transparent liquid , is the derivatives of   benzotriazole , it can control the oxidization and catalysis of metal ion,;   working with other antioxidants, it can improve the performace of oil on   oxidization. It is the good copper inhibitor.  
	Quality index 
                      
                        
                          | No. | Item | Value | Test method |  
                          | 1 | Appearance | brown transparent liquid | eyeballing |  
                          | 2 | Flash point(open), °C,≥ | 130 | GB/T267 |  
                          | 3 | Density 20°C,g/cm3 | 1.005 to 1.015 | GB/T1184 |  
                          | 4 | kinematical viscosity, 50°C, mm2/S
 | 11 to 14 | GB/T265 |  
                          | 5 | Alkalinity , mgKOH/g | 200 to 240 | Method of petrochemical institute |  Characteristics  
                      It can be used in lubrication oil , gear oil, bearing oil to improve the   oxidization performance of oil It can form a protection film on the surface of metal, it can control the   copper corrosion caused by S and P compound. Used as gear oil, it can pass the   copper corrosive test in high temp., it also can work on the surface of   nonferrous metal, It is the good copper inhibitor. No not work with T202.  
  Packing and storage 
  
    composite drum , Net Wt. 200Kg.  
    This product should be stored in ventilated, cool and dry   storeroom, avoid  fire  and moisture  |  |  
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