SOSILNA Low-Temperature Heat Transfer Fluid is a Heat Transfer Fluid (HTF) for Systems with a temperature range of -40F (-40C) to 450F (232C). Ideal for applications that operate in ultra-low temperature conditions or with cyclic temperature needs. Designed to operate from temperatures as low as -40F (-40C) to as high as 450F (232C). Ideal for a broad range of industrial processes. The proprietary 2-stage antioxidant package ensures a long-lasting and clean operating fluid. A full suite of corrosion inhibitors and wear protection additives help extend the life of system componentry.