35 Albuminoidal substances; modified starches; glues; enzymes
| Heading | Description | General |
|---|---|---|
| 3501 | Casein, caseinates and other casein derivatives; casein glues | — |
| 3502 | Albumins (including concentrates of two or more whey proteins, containing by weight more than 80 percent whey proteins, calculated on the dry matter), albuminates and other albumin derivatives | — |
| 3503 | Gelatin (including gelatin in rectangular (including square) sheets, whether or not surfaceworked or colored) and gelatin derivatives; isinglass; other glues of animal origin, excluding casein glues of heading 3501 | — |
| 3504 | Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed | — |
| 3505 | Dextrins and other modified starches (for example, pregelatinized or esterified starches); glues based on starches, or on dextrins or other modified starches | — |
| 3506 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg | — |
| 3507 | Enzymes; prepared enzymes not elsewhere specified or included | — |
Source: USITC HTS (2026 Basic Edition, frozen to the exam). Rates shown at heading level; duty rates are set on 8/10-digit subheadings. Not legal or classification advice.