Home Solar Panel Antifreeze - Dowtherm SR-1 from United States
Propylene glycol heat transfer fluid designed for solar thermal collectors and radiant heating systems, inhibited against corrosion in copper and brass components. Provides freeze protection and efficient heat transfer in closed-loop renewable energy systems.
Duty Rate — United States → Canada
6.5%
Import Tips
• Classify the product as an antifreeze preparation, not a heat transfer fluid, to ensure correct tariff application
• Provide technical documentation showing the product's primary function is freeze protection
• Check for any environmental regulations on propylene glycol imports