Yantai Hengnuo Chemical Technology Co.,ltd

51988-14-8,Echo.a,TDD,crosslinking agent,Rhenogran, Manufacturer and Supplier - China(CN)

Metal deactivator  TH-551 (Benzotriazole derivative)

Metal deactivator TH-551 (Benzotriazole derivative)

Business Information

  • FOB Port : Qingdao
  • Made In : China(CN)
  • Delivery Time : 15

Product Features

Metal deactivator TH-551 (Benzotriazole derivative),
Metal passivant

 Metal deactivator  TH-551 (Benzotriazole derivative)


1. Description

It has good anti-oxidation and copper corrosion inhibition. It is able to form the inactive film or create the chelate complex in combination with metallic ions to prevent metal oxidation.


2. Applications

It is used primarily for turbine oils, oil film bearing oils, industrial gear oils, transformer oils and circulation oils. It is forbidden to mix with ZDDP, otherwise the settling would occur.


3. The recommended dosage

 from 0.03% to 0.1%.

4. Specification:




Typical value

Test method


Brown transparent liquid

Eye inspection




Motion Viscosity (100°C), mm2/s



Flash Point  °C,

130 min


TBN, mgKOH/g



Oxidation test (increment),

90 min

SHT 0193


5. Packaging and storage

The requirements of SH/T0164 should be met during the storage, handling and blending. The maximum temperature should not exceed 60°C . It is non-flammable, non-explosive, and non-corrosive. The precautions in safety, environment control, and application are the same as those of common petroleum products, having no need of special protection


Product Specifications

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