| 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 | | | |
| 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 | | | |
| 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 | | | |
| 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: | | | | |
| 8417 | | Industrial or laboratory furnaces and ovens, including incinerators, nonelectric, and parts thereof: | | | | |
| 8419 | | Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts thereof: | | | | |
| 8419.20.00 | 00 | Medical, surgical or laboratory sterilizers | No. | Free | | 35% |
| 8419.90.50 | | Of molten-salt-cooled acrylic acid reactors; of medical, surgical or laboratory sterilizers | | Free | | 35% |
| 8419.90.50 | 40 | Of medical, surgical or laboratory sterilizers | X | | | |
| 8514 | | Industrial or laboratory electric furnaces and ovens (including those functioning by induction or dielectric loss); other industrial or laboratory equipment for the heat treatment of materials by induction or dielectric loss; parts thereof: | | | | |
| 9010 | | Apparatus and equipment for photographic (including cinematographic) laboratories, not specified or included elsewhere in this chapter; negatoscopes; projection screens; parts and accessories thereof: | | | | |
| 9010.50 | | Other apparatus and equipment for photographic (including cinematographic) laboratories; negatoscopes: | | | | |
