| 2507.00.00 | 00 | Kaolin and other kaolinic clays, whether or not calcined | t | Free | | $2.46/t |
| 2508 | | Other clays (not including expanded clays of heading 6806), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths: | | | | |
| 2508.30.00 | 00 | Fire-clay | t | Free | | $1.97/t |
| 2508.40.01 | | Other clays | | Free | | $1.97/t |
| 2508.40.01 | 10 | Common blue clay and other ball clays | t | | | |
| 3802.90.20 | 00 | Activated clays and activated earths | kg | 2.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 0.6¢/kg + 30% |
| 3816.00.00 | 10 | Clay | kg | | | |
| 4810 | | Paper and paperboard, coated on one or both sides with kaolin (China clay) or other inorganic substances, with or without a binder, and with no other coating, whether or not surface-colored, surface-decorated or printed, in rolls or rectangular (including square) sheets, of any size: | | | | |
| 6806 | | Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812, or of chapter 69: | | | | |
| 6806.20.00 | 00 | Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof) | kg | Free | | 30% |
| 6902.90.10 | 10 | Clay | thousand t | | | |
| 6902.90.50 | 10 | Clay | t | | | |
| 6903.90.00 | 10 | Of clay | kg | | | |
| 9614.00.26 | 00 | Pipes and bowls wholly of clay and pipes with bowls wholly of clay | No. | 3% | Free ( A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 45% |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
