导热硅油：苯含量搞，耐320度，常用于实验室油浴。
DOWSIL 550 Fluid also known as Dow Corning 550 Fluid is a Polyphenylmethyldimethylsiloxane fluid for use as lubricant, heat transfer fluid and thermostat fluid.
Applications:
As a lubricant:
base oil for high temperature ball bearing greases.
Lubricating oil for high temperature instruments.
Impregnating oil for sintered bronze bearings in small electric motors and mechanisms exposed to high ambient temperatures.
As a heat transfer medium:
Heat-treating baths for speciality metals.
Heat exchange fluid for research apparatus and instrument calibration baths.
Heat transfer oil in capacitors, transformers and various electronics.
As a thermostat fluid:
Suitable for temperatures from -40°C to 315°C in thermostat systems, which should be kept clean.