Home Solar Panel Antifreeze - Dowtherm SR-1 from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• ASME certification for solar thermal; specify closed-loop use
• Differentiate from open geothermal brines