| 3815 | | Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included: | | | | |
| 3815.11.00 | 00 | With nickel or nickel compounds as the active substance | kg | Free | | 25% |
| 3815.12.00 | 00 | With precious metal or precious metal compounds as the active substance | kg | Free | | 25% |
| 3815.90.10 | 00 | Consisting wholly of inorganic substances: | | | | |
| 3816.00.00 | | Refractory cements, mortars, concretes and similar compositions, other than products of heading 3801 | | 3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 30% |
| 3820.00.00 | 00 | Antifreezing preparations and prepared deicing fluids | kg | 6.5% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 63% |
| 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: | | | | |
| 3822.00.10 | | Containing antigens or antisera | | Free | | Free |
| 3822.00.60 | 00 | Certified reference materials | X | Free | | 25% |
| 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: | | | | |
| 3824.40 | | Prepared additives for cements, mortars or concretes: | | | | |
| 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% |
| 3824.71.01 | 00 | Mixtures containing halogenated derivatives of methane, ethane or propane: | | | | |
| 3824.81.00 | 00 | Mixtures and preparations containing oxirane (ethylene oxide), polybrominated biphenyls (PBBs), polychlorinated biphenyls (PCBs), polychlorinated terphenyls (PCTs) or tris(2,3-dibromopropyl) phosphate: | | | | |
| 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 |
| 3824.90.22 | 00 | Consisting of polymers of 1,2-dihydro- 2,2,4-trimethylquinoline averaging less than 5 monomer units | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, K,MA,MX,P) 0.2￠/kg + 3.1% (SG) | 15.4￠/kg + 52% |
| 3824.90.26 | 00 | Benzene, 2,4-diisocyanate-1,3,5-tris(1- methylethyl) homopolymer; 5-Fluoro-2-methyl-1-[[4-(methylsulfinyl)- phenyl]methylene]-1H-indene; Mixtures of dimethyl phthalate, t-butanol, hydrogen peroxide, and sodium salicylate; and Mixtures containing derivatives of N-[4-(2- hydroxy-3-phenoxypropoxy)phenyl]- acetamide | kg | Free | | 3.7￠/kg + 60% |
| 3824.90.70 | 00 | Mixtures of dibromo neopentyl glycol; Polydibromophenylene oxide; Tetrabromobisphenol-A-carbonate oligomers; and Electroplating chemical and electroless plating solutions and other materials for printed circuit boards, plastics and metal finishings | kg | Free | | 25% |
| 3824.90.92 | 10 | Mixtures of acyclic, monohydric, unsubstituted alcohols: | | | | |
| 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 | | | |
| 3825.50.00 | 00 | Wastes of metal-pickling liquors, hydraulic fluids, brake fluids and anti-freeze fluids | X | Free | | Free |
