Section VI · Chemical and allied industries

Albuminoidal substances; modified starches; glues; enzymes

15 subheadings in 7 headings. Open one for the published General, Special and Column 2 rates of every tariff line beneath it.

3501Casein, caseinates and other casein derivatives; casein glues

3502Albumins (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

3503Gelatin (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

3503.00Gelatin (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:

3504Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed

3504.00Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed:

3505Dextrins and other modified starches (for example, pregelatinized or esterified starches); glues based on starches, or on dextrins or other modified starches

3506Prepared 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

3507Enzymes; prepared enzymes not elsewhere specified or included

Source: U.S. International Trade Commission (USITC) — 2026 HTS Revision 12, released 2026-07-21. Listed rates are not always the rate collected — verify with your licensed customs broker.