| 2528 | | Natural borates and concentrates thereof (calcined or not), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight: | | | | |
| 2528.10.00 | 00 | Natural sodium borates and concentrates thereof (whether or not calcined) | kg | Free | | Free |
| 2528.90.00 | 10 | Natural calcium borates | kg | | | |
| 2804.50.00 | | Boron; tellurium | | Free | | 25% |
| 2804.50.00 | 10 | Boron | kg | | | |
| 2810.00.00 | 00 | Oxides of boron; boric acids | t | 1.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 8.5% |
| 2840 | | Borates; peroxoborates (perborates): | | | | |
| 2840.11.00 | 00 | Disodium tetraborate (refined borax): | | | | |
| 2840.20.00 | 00 | Other borates | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2840.30.00 | | Peroxoborates (perborates) | | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2840.30.00 | 10 | Sodium perborate | kg | | | |
| 2849.90.10 | 00 | Of boron | kg | 3.7% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2850.00 | | Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849: | | | | |
| 2925.19.70 | 00 | N-Chlorosuccinimide; and N,N'-Ethylenebis(5,6-dibromo-2,3- norbornanedicarboximide) | kg | Free | | 25% |
| 2931.00.15 | 00 | Sodium tetraphenylboron | kg | 5.8% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 15.4￠/kg + 40% |
| 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: | | | | |
| 3926.90.99 | 10 | Laboratory ware | X | | | |
| 4817.20.20 | 00 | Sheets of writing paper, with border gummed or perforated, with or without inserts, prepared for use as combination sheets and envelopes | kg | Free | | 40% |
| 6210.10.50 | 00 | Nonwoven disposable apparel designed for use in hospitals, clinics, laboratories or contam- inated areas | doz. kg | Free | | 76% |
| 6909 | | Ceramic wares for laboratory, chemical or other technical uses; ceramic troughs, tubs and similar receptacles of a kind used in agriculture; ceramic pots, jars and similar articles of a kind used for the conveyance or packing of goods: | | | | |
| 6909.11 | | Ceramic wares for laboratory, chemical or other technical uses: | | | | |
| 7017 | | Laboratory, hygienic or pharmaceutical glassware, whether or not graduated or calibrated: | | | | |
| 7204.41.00 | 60 | Borings, shovelings and turnings | t | | | |
| 8207 | | Interchangeable tools for handtools, whether or not power- operated, or for machine-tools (for example, for pressing, stamping, punching, tapping, threading, drilling, boring, broaching, milling, turning or screwdriving), including dies for drawing or extruding metal, and rock drilling or earth boring tools; base metal parts thereof: | | | | |
