Features
Excellent resistance to high and low tempratures (-70 ~ 300°C)
Low volatility
Excellent heat transfer characteristics
Flat viscosity temperature curve
Good compressibility
Good oxidation and radiation resistance
Good miscibility with organic resin

Technical Index
RJ-255-75 RJ-255-100 RJ-255-125 RJ-255-150 RJ-255-500 RJ-255-1000
Equivalent brand DC510 DC510 DC550 DC510 DC710 DC510
Appearance Colorless transparent or light yellow transparent liquid
Viscosity(25°C, mm/s) 75 100 125 150 500 1000
Specific Gravity at 25°C 1.020~1.080 1.020~1.100
Refractive index (25°C) 1.4800~1.4950 1.4800~1.5000
Flashing point,°C ≥280 ≥300 ≥300~≥320
Freezing point,°C ≤-40
Volatility 250°C/2Hours, % ＜2% ＜1%

Applications
As a lubricant:
• Base oil for high temperature greases.
• Lubricating oil for high temperature instruments.
• Impregnating oil for the use in high ambient temperatures.
As a heat transfer medium:
• Heat-treating baths for speciality metals.
• Heat exc