Profile: MultiTherm LLC deals with efficient, non-hazardous and non-toxic heat transfer fluids. Our product line includes MultiTherm OG-1 , MultiTherm FF-1, MultiTherm IG-1, MultiTherm IG-4 and MultiTherm OG-1. Our MultiTherm OG-1® is hydro cracked base oil combined with the latest proprietary oxidation inhibitor. The MultiTherm OG-1® have a high flash point of 455°F / 235°C. It also offers the extra benefit of having a higher fire point then most other heat transfer fluids. Our MultiTherm FF-1® flushing fluid is for use in start-up or general maintenance of heat transfer fluid systems. It is useful to remove particulate contamination and for flushing a system when changing heat transfer fluids.