FRAGOLTHERM® 680 can be used in liquid phase up to 309 °C. In pressurised systems the bulk temperature can be increased up to 360 °C
Description
FRAGOLTHERM® 680 can be used in liquid phase up to 309 °C. In pressurised systems the bulk temperature can be increased up to 360 °C.
The film temperature at the heater must not exceed 390 °C.
With use in high temperature ranges a nitrogen blanket is recommended in the expansion tank, in order to prevent premature ageing.
Technical information
| Maximum bulk temperature | |
|---|---|
| Maximum film temperature | 390°C (735°F) |
| Product Normal Boil Point | 309°C (590°F) |
| Product composition | Hydrogenated terphenyls and biphenyl/diphenyl oxide |
| Pressurised Systems/HTF | Yes |