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3827.39.00.00/R-421A HCFC Replacement Blend/Canada

R-421A HCFC Replacement Blend from Canada

R-421A contains HCFC-22 with hydrocarbons as drop-in replacement for R-22 in residential AC systems. Classified HTS 3827.39.00.00 due to HCFC content despite hydrocarbon presence. Designed for existing R-22 equipment without oil change.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Address hydrocarbon flammability in shipping papers; provide retrofit instructions; ensure blend stability testing documentation