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Heat transfer oil
Mantherm W4 - oil for electric heaters

Mantherm W4 is a high performance synthetic heat transfer oil designed for electric heater liquid phase heating systems. Strict thermal stability and oxidation resistance tests prove that Mantherm W4 is suitable for electric heating systems in harsh environments, and the operating temperature is -20°C to 315°C.


typical characteristics

Nature

Typical data

Exterior

Transparent

Density@15℃

0.875

Pour point °C

<-45

Kinematic viscosity

cst@40℃

19.8

cst@100℃

3.95

Flash point °C

180

Spontaneous ignition point ℃

360

Coefficient of thermal expansion 200°C

0.000987

Moisture content

<100ppm

Distillation range

10%

350

90%

390

Note: The above experimental data comes from standard samples, and the data of different batches of products will be slightly different. Please consult our technical support for details.