... Equivalent to Therminol-66 Equivalent to Dowtherm-RP HEAT TRANSFER FLUID HTF-2---SYNTHESIZED HYDROGENATED TERPHENYL ITEMSPECIFICATIONAppearanceClear ... %330 ºC/ 355 ºCBoiling Point359 ºC345 ºC Heat of Vaporization272 KJ/KGOperating Range0-345 ºCOil Film Temperature375 ... for most the high temperature heat exchange process, such as the production of polyester, organic silicon, oxidation, polymerization ...