Pour Point Depressants are paraffin inhibitors to lower the temperature at which oils will pour; they require certification due to low flash points. This article on drum heating explains the temperature and time parameters when using various LMK Thermosafe drum heaters, namely the TH Induction drum heater, the Faratherm Induction drum base heater, the Inteliheat insulated drum heater jacket, and the combination of TH Induction drum heater with a Faratherm Induction drum base heater. All these drum heaters are IECEx certified for use in Zone 1 and Zone 2 potentially explosive environments. For details please follow the link to: Drum Heating of Pour Point Depressants (PPD)