Thiophenol-type High-efficiency Antioxidant
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.
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%
Item | Quality Index | Test Method | |
BSD-503 | BSD-504 | ||
Appearance | Light yellow to brown transparent liquid | Brown transparent liquid | Visual Inspection |
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