TRUEGARD 960 is an NSF Certified food-grade inhibited propylene glycol fluid which is intended for use in antifreeze and heat transfer applications where contact with food may occur such as wineries micro-breweries meatpackers and other food-related industries. TRUEGARD 960 is formulated with propylene glycol and an inhibitor system which is effective at preventing rust and corrosion in aluminium brass cast iron copper solder and steel-containing systems. TRUEGARD 960 is an affordable alternative to DOWFROST inhibited glycol coolant. Operating Range -50F to 325F (-46C to 163C) Application HVAC system freeze/burst/corrosion protection Immersion freezing Cooling liquid foods Packaging carbonated beverages Fermentation cooling Refrigeration coil defrosting Cold room dehumidifying Conveyor roller defrosting Process cooling Process heating Waste heat recovery.