Liquid phase heat transfer systems can be cleaned with Therminol® FF Flush Fluid. This synthetic hydrocarbon heat transfer fluid features a flash point over 95°C (200°F) and initial boiling point over 200°C (400°F). Therminol FF can be circulated at temperatures up to 350°F and is compatible with mechanical system components and perfluoroelastomer o-rings found in heat transfer systems. After the system is flushed, the appropriate liquid phase Therminol heat transfer fluid can be added. Small amounts of Therminol FF remaining in the system are compatible with Therminol heat transfer fluids.
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