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3827.59.00.00/HFC-23 Calibration Gas Standard/Canada

HFC-23 Calibration Gas Standard from Canada

NIST-traceable calibration mixture containing known HFC-23 concentrations for greenhouse gas monitoring equipment. Classified under HTS 3827.59.00.00 as HFC mixture. Used by EPA-approved testing laboratories.

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

• Include NIST certificate of analysis; verify cylinder pressure test dates; provide uncertainty budget for concentrations

HFC-23 Calibration Gas Standard from Canada — Import Duty Rate | HTS 3827.59.00.00