| 3818.00.00 | | Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics | | Free | | 25% |
| 3818.00.00 | 10 | Gallium arsenide wafers, doped | kg | | | |
| 3819.00.00 | | Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70 percent by weight of petroleum oils or oils obtained from bituminous minerals | | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P) 0.2¢/kg + 2.9% (SG) | 3.7¢/kg + 60% |
| 3822.00 | | Diagnostic or laboratory reagents on a backing and prepared diagnostic or laboratory reagents, whether or not on a backing, other than those of heading 3002 or 3006; certified reference materials: | | | | |
| 3822.00.10 | | Diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents, whether or not on a backing, other than those of heading 3002 or 3006: | | | | |
| 3823.13.00 | 20 | Containing less than two percent rosin | kg | | | |
| 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: | | | | |
| 3824.30.00 | 00 | Nonagglomerated metal carbides mixed together or with metallic binders | kg | 3.6% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 3824.40.10 | 00 | Containing 5 percent or more by weight of one or more aromatic or modified aromatic substances | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P) 0.2¢/kg + 2.9% (SG) | 3.7¢/kg + 60% |
| 3824.40.20 | 00 | Consisting wholly of inorganic substances | kg | Free | | 25% |
| 3824.50.00 | 10 | Wet | t | | | |
| 3824.71.01 | 00 | Containing chlorofluorocarbons (CFCs), whether or not containing hydrochlorofluorocarbons (HCFCs), perfluorocarbaons (PFCs) or hydrofluorocarbons (HFCs) | kg | 3.7% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 25% |
| 3824.74.00 | 00 | Containing hydrochlorofluorocarbons (HCFCs), whether or not containing perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) | kg | 3.7% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 25% |
| 3824.79.10 | 00 | Chlorinated but not otherwise halogenated | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,K, JO,MA,MX, P) 3.3% (SG) | 114.5% |
| 3824.82.10 | 00 | Chlorinated but not otherwise halogenated | kg | 6.5% | Free (A,AU,BH, CA,CL,D,E,IL,J,K, JO,MA,MX, P) 3.3% (SG) | 114.5% |
| 3824.90.11 | 00 | Cultured crystals (other than optical elements of chapter 90), weighing not less than 2.5 g each: | | | | |
| 3824.90.21 | 00 | Mixtures containing 5 percent or more by weight of one or more aromatic or modified aromatic substances: | | | | |
| 3824.90.21 | 00 | Consisting wholly of substances found naturally in coal tar, whether obtained from coal tar or other source | kg | Free | | Free |
| 3824.90.31 | 00 | Mixtures of two or more inorganic compounds: | | | | |
| 3824.90.45 | 00 | Mixtures that are in whole or in part of hydrocarbons derived in whole or in part from petroleum, shale oil or natural gas | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,K,MA,MX, P,SG) | 25% |
| 3824.90.50 | 00 | Chlorinated but not otherwise halogenated | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, K,MA,MX,P) 3.3% (SG) | 114.5% |
| 3824.90.75 | | Naphthenic acids, their water-insoluble salts and their esters | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 3824.90.92 | 10 | Containing C11 or lower alcohols only | kg | | | |
| 3824.90.92 | 61 | Mixtures consisting mainly of chemicals containing a phosphorus atom to which is bonded one methyl, ethyl, n-propyl or isopropyl group, but no other carbon atoms | kg | | | |
| 3825 | | Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
