HTS Number	Description	Unit of Quantity	General Rate of Duty	Details
3824	Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included:
3824 1000.00	Prepared binders for foundry molds or cores	kg	6%	More
3824 3000.00	Nonagglomerated metal carbides mixed together or with metallic binders	kg	3.6%	More
3824 40	Prepared additives for cements, mortars or concretes:
3824 4010.00	Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances	kg	6.5%	More
3824 4020.00	Consisting wholly of inorganic substances	kg	Free	More
3824 4050.00	Other	kg	5%	More
3824 5000	Nonrefractory mortars and concretes		Free
3824 5000.10	Wet	t	Free	More
3824 5000.50	Other	t	Free	More
3824 6000.00	Sorbitol other than that of subheading 2905.44	kg	4.9%	More
3824 7101.00	Containing chlorofluorocarbons (CFCs), whether or not containing hydrochlorofluorocarbons (HCFCs), perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs)	kg	3.7%	More
3824 7200.00	Containing bromochlorodifluoromethane, bromotrifluoromethane or dibromotetrafluoroethanes	kg	3.7%	More
3824 7300.00	Containing hydrobromofluorocarbons (HBFCs)	kg	3.7%	More
3824 7400.00	Containing hydrochlorofluorocarbons (HCFCs), whether or not containing perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs)	kg	3.7%	More
3824 7500.00	Containing carbon tetrachloride	kg	6.5%	More
3824 7600.00	Containing 1,1,1-trichloroethane (methyl chloroform)	kg	6.5%	More
3824 7700.00	Containing bromomethane (methyl bromide) or bromochloromethane	kg	3.7%	More
3824 7800	Containing perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs)		3.7%
3824 7800.20	Hydrofluorocarbon refrigerant blends specified in statistical note 2 to this chapter	kg	3.7%	More