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             US HTS CODE | Harmonized Tariff Schedule HS code & Tariffs Search Service (2025 HTS Revision 26 (10/31/2025))
| HTS Code | 2903411000 | 2710190615 | 
| Article Description | Trifluoromethane (HFC-23) | Containing more than 500 ppm of sulfur Having a Saybolt Universal viscosity at 37.8˚C of more than 125 seconds (heavy fuel oils):  | 
					
				
| Quota of Quantity | -- | -- | 
| Unit of Quantity | [kg] | [bbl] | 
| Rates of Duty (1-General) | 3.7% | 5.25¢/bbl | 
| Rates of Duty (1-Special) | Free (A, AU, BH,CL, CO, D, E, IL, JO, K,KR, MA, OM, P,PA, PE, S, SG) | Free (A+,AU,BH,CL,CO,D, IL,JO, KR,MA,OM,P, PA,PE,R,S,SG) | 
| Rates of Duty (2-Cuba and North Korea) | 25% | 21¢/bbl | 
| Footnotes | [{columns=[other], value=See 9903.90.08. , type=endnote}] | [{columns=[general], value=See 9903.88.03. , type=endnote}] | 
| Additional Duty | -- | -- | 
| Additional Duty(products of China) | -- | -- | 
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