Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.
| # | Class | Product_Number | Name | Remark |
|---|---|---|---|---|
| 21689 | 017-Rubber Products | 017-495 | Wallboard joint tape | |
| 21690 | 017-Rubber Products | 017-530 | Wall system consisting of insulated concrete block | |
| 21691 | 017-Rubber Products | 017-109 | Washers of rubber for {indicate use} | |
| 21692 | 017-Rubber Products | 017-389 | Washers of rubber or vulcanized fiber | |
| 21693 | 017-Rubber Products | 017-110 | Washers of vulcanized fiber for {indicate use} | |
| 21694 | 017-Rubber Products | 017-817 | Watering hose | |
| 21695 | 017-Rubber Products | 017-696 | Watering hoses | |
| 21696 | 017-Rubber Products | 017-418 | Water proofing membranes for foundations of buildings | |
| 21697 | 017-Rubber Products | 017-112 | Waterproof packings for {indicate use} | |
| 21698 | 017-Rubber Products | 017-500 | Waterproof sealants | |
| 21699 | 017-Rubber Products | 017-669 | Watertight rings for plumbing pipes | |
| 21700 | 017-Rubber Products | 017-260 | Weatherizing membranes and vapor barriers | |
| 21701 | 017-Rubber Products | 017-114 | Weatherstripping for use in {indicate use, e.g., automobiles, homes} | |
| 21702 | 017-Rubber Products | 017-115 | Weatherstripping sealants in the nature of caulk | |
| 21703 | 017-Rubber Products | 017-813 | Window stops of rubber |