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HTS 3813Preparations and charges for fire extinguishers; charged fire-extinguishing grenades

Product or HTS code

Rate lines2

Code	Description	General	Special	Column 2	Units	Calculate
3813.00	3813.00Preparations and charges for fire extinguishers; charged fire-extinguishing grenades
3813.00.10.00	3813.00.10.00Consisting wholly of inorganic substancesGeneral Free · Column 2 25% · kg	Free		25%	kg
3813.00.50.00	3813.00.50.00OtherGeneral 3.7% · Special Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) · Column 2 20% · kg	3.7%	Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)	20%	kg

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	France43.9% of imports	Sweden24.39% of imports	Mexico8.29% of imports	Spain6.9% of imports	China3.79% of imports	United Kingdom3.09% of imports	Brazil1.52% of imports	Australia1.4% of imports	Canada1.36% of imports	Singapore1.02% of imports
3813.00.10.00Consisting wholly of inorganic substances	10%9903.05.39	10%9903.05.39	10%9903.05.55	10%9903.05.39	37.5%9903.05.319903.88.03	10%9903.05.81	37.5%9903.05.019903.05.27	12.5%9903.05.23	10%9903.05.29	12.5%9903.05.68
3813.00.50.00Other	10%9903.05.39	10%9903.05.39	13.7%9903.05.55	10%9903.05.39	41.2%9903.05.319903.88.03	13.7%9903.05.81	41.2%9903.05.019903.05.27	16.2%9903.05.23	13.7%9903.05.29	16.2%9903.05.68

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).