| 6805.30 |  | On a base of other materials: |  |  |  |  | 
| 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% | 
| 6807 |  | Articles of asphalt or of similar material (for example, petroleum bitumen or coal tar pitch): |  |  |  |  | 
| 6812.99.00 | 25 | Building materials | X |  |  |  | 
| 6813 |  | Friction material and articles thereof (for example, sheets, rolls, strips, segments, discs, washers, pads), not mounted, for brakes, for clutches or the like, with a basis of asbestos, of other mineral substances or of cellulose, whether or not combined with textile or other materials: |  |  |  |  | 
| 6814 |  | Worked mica and articles of mica, including agglomerated or reconstituted mica, whether or not on a support of paper, paperboard or other materials: |  |  |  |  | 
| 6914.10.40 | 00 | Ceramic ferrules of porcelain or china, not exceeding 3 mm in diameter or 25 mm in length, having a fiber channel opening and/or ceramic mating sleeves of alumina or zirconia | X | Free |  | 60% | 
| 6914.90.41 | 00 | Ceramic ferrules of alumina or zirconia, not exceeding 3 mm in diameter or 25 mm in length, having a fiber channel opening and/or ceramic mating sleeves of alumina or zirconia | X | Free |  | 45% | 
| 7006.00 |  | Glass of heading 7003, 7004 or 7005, bent, edge-worked, engraved, drilled, enameled or otherwise worked, but not framed or fitted with other materials: |  |  |  |  | 
| 7010.20.20 | 00 | Produced by automatic machine | gross | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 25% | 
| 7010.90.20 |  | Produced by automatic machine |  | 2.5% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX, P,SG) | 25% | 
| 7011.20.45 | 00 | Monochrome glass envelopes, the foregoing certified by the importer as being for actual use in automatic data processing machine data or graphic display cathode ray tubes | hundreds | Free |  | 55% | 
| 7019.12.00 | 40 | Of a kind used in industry as packing or lubricating materials | kg |  |  |  | 
| 7019.19.15 | 40 | Of a kind used in industry as packing or lubricating materials (201) | kg |  |  |  | 
| 7019.31.00 | 00 | Thin sheets (voiles), webs, mats, mattresses, boards and similar nonwoven products: |  |  |  |  | 
| 7019.31.00 | 00 | Mats | kg | 4.3% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 50% | 
| 7108.13.55 | 00 | Rectangular or near rectangular shapes, containing 99.5 percent or more by weight of gold and not otherwise marked or decor- ated than with weight, purity, or other ident- ifying information | g | Free |  | Free | 
| 7115.90.05 |  | Articles of precious metal, in rectangular or near rectangular shapes, containing 99.5 percent or more by weight of a precious metal and not other- wise marked or decorated than with weight, purity, or other identifying information |  | Free |  | Free | 
| 7302 |  | Railway or tramway track construction material of iron or steel, the following: rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails: |  |  |  |  | 
| 7306.30.50 | 28 | Internally coated or lined with a non-electrically insulating material, suitable for use as electrical conduit | kg |  |  |  | 
| 7309.00.00 |  | Reservoirs, tanks, vats and similar containers for any material (other than compressed or liquefied gas), of iron or steel, of a capacity exceeding 300 liters, whether or not lined or heat insulated, but not fitted with mechanical or thermal equipment |  | Free |  | 45% | 
| 7310 |  | Tanks, casks, drums, cans, boxes and similar containers, for any material (other than compressed or liquefied gas), of iron or steel, of a capacity not exceeding 300 liters, whether or not lined or heat insulated, but not fitted with mechanical or thermal equipment: |  |  |  |  | 
| 7312.10.30 | 70 | Covered with textile or other nonmetallic material | kg |  |  |  | 
| 7312.10.30 | 10 | Covered with textile or other non- metallic material | kg |  |  |  |