Hercules® Cryo-Tek⢠Arctic grade Antifreeze is formulated for use in closed loop hydronic heating and cooling systems. It can also be used in radiant tube heating systems, most solar heating systems and geothermal loops.
- Concentrated "Arctic Grade" anti-freeze solution
- Blue liquid
- 100% pure virgin propylene glycol
- Cryo-Tek can also be used in radiant tube heating systems, most solar heating systems, and geothermal loops