Metal deactivator th-551 (benzotriazole derivative)

Key Attributes.

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: Item Typical value Test method Appearance Brown transparent liquid Eye inspection Density（20℃）,kg/m3 910-1040 GB/T2540 Motion Viscosity (100°C), mm2/s 10-14 GB/T265 Flash Point °C, 130 min GB/T3536 TBN, mgKOH/g 210-230 SH/T0251 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