Home Solar Panel Antifreeze - Dowtherm SR-1 from Mexico
Propylene glycol heat transfer fluid for solar thermal collectors and radiant heating systems. Inhibited against corrosion in copper/brass systems. HTS 3820.00.00.00 antifreezing preparation.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• ASME certification for solar thermal; specify closed-loop use
• Differentiate from open geothermal brines