Description Cryo-Tek AG (Arctic Grade) Antifreeze Hercules is a ready to use 95% Virgin Propylene Glycol formula. It’s designed for hydronic heating and cooling closed loop systems, most solar heating systems, snow melts, radiant heat and general plumbing systems. Protection against freezing up to -57°C. • Protection against pipe bursting : up to -73°C. Blend of 95% virgin propylene glycol The triple protection inhibitor stabilizes pH to prevent corrosion, chelates, hard water minerals, and inhibit scale and sediment formation Used in systems fabricated with metal, plastics and rubber piping, fittings, seals and other parts For heating systems requiring freeze protection as well as corrosion prevention Cryo-Tek is “GRAS” (Generally Recognized As Safe) for incidental contact with food Not for use with galvanized, CPVC or aluminum Technical Brochure: Download MSDS: Download Certifications: Download

