Hercules® Cryo-Tek™ Anti-Freeze Compound, Can Container, 1 gal Container, 54 lb Net Weight, Composition: 40 to 60% Virgin Propylene Glycol, 40 to 60% Water, Liquid Form, Pink, Odorless Odor/Scent, 1.054 Specific Gravity, >212 deg F Flash Point,
A blend of virgin (not recycled) propylene glycol and high purity Triple Protection additives, formulated for use in closed loop hydronic heating and cooling systems. Cryo-Tek™ can also be used in radiant tube heating systems, most solar heating sys