BSD-503/504  Thiophenol-type High-efficiency Antioxidant

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  This product is a yellow to brown transparent viscous liquid prepared from alkylphenol and sulfurating agents through sulfurization reaction and refining treatment. It is a thiophenol-type high-efficiency antioxidant.

  Product Feature

  l It has excellent antioxidant and antiwear performance.

  l It has good compatibility and antioxidant synergistic effect when compounded with aromatic amine antioxidants. Adding 0.5% of this product to the internal combustion engine oil containing aromatic amine antioxidants can increase the grade of the oil by one level.

  Scope of Application and Recommended Dosage

  It is used for formulating various internal combustion engine oils, gear oils and industrial lubricating oils. Industrial oils include steam turbine oils, transformer oils, hydraulic oils and machine tool oils, etc.

   

  Recommended dosage: 0.1~1.0%

  Technical Parameter

  Item	Quality Index		Test Method
  	BSD-503	BSD-504
  Appearance	yellow to brown transparent liquid	Brown transparent liquid	Visual Inspection
  Density(20°C), kg/m3 密度/Density(20°C), kg/m3	1020	950~1080	GB/T1884
  Flash Point(Open Cup), °C	≥ 120	≥ 160	GB/T3536
  Kinematic Viscosity(100°C), mm2/s	Measured Value	24~40	GB/T265
  Sulfur Content, m/m %	6.0~9.0	9.5~11.0	GB/T0303
  Chlorine Content, m/m %	≤0.6	≤0.6	SH/T0161
  Copper Corrosion(100°C*3h), Grade	≤1b	≤1b	GB/T5096

  Note: The formulation is: 98.5% / (m/m %) 150SN + 0.5% / (m/m %) T503 (T504) + 1.0% / (m/m %) T202