Glycol

Freeze Control 5 Gallon 70/30 Propylene Glycol. Non Toxic Freeze and Burst Protector for Closed Chilled Water and Hydronic Systems.

FREEZ-KONTR'L inhibited propylene glycol. 95% -60 Freeze protection, -100 Burst when fully concentrated.

Freeze-Kontr'l 1 Gallon * Nu-Calgon. Freeze-Kontr'l. Propylene Glycol. A Non Toxic Freeze And Burst Protector For Closed Chilled Water And Hydronic Systems. 1 Gal.

Freeze Kontr'l50 5 Gallon 50/50 Inhibitied Propylene Glycol. Ready to use premixed formula for use in closed loop systems. Fully inhibited to prevent corrosion in sytem. non-flammable. -25 freeze protection, -95 burst protection. 50% propylene glycol, generally regarded as safe (GRAS) formulation. ready ti use heat transfer fluid for hydronic, snow melt, radiant andmost solar heat systems.