Adhesives, Enzymes & Starches — US Tariff Rates
US tariff rates for casein, albumins, gelatin, enzymes, modified starches, and industrial adhesives. HTS codes and import duties.
Additional Tariffs Apply to This Chapter
Section 301 tariffs apply to imports from China. Use our Landed Cost Calculator for a full duty breakdown by country of origin.
HTS Codes in Chapter 35 — Adhesives, Enzymes & Starches
| HTS Code | Description | Base Duty | Tariff Flags | Actions |
|---|---|---|---|---|
| 3501.10.10.00 | Milk protein concentrate | 0.37¢/kg | §301 +25%§122 +15% | |
| 3501.10.50.00 | Other | Free | §301 +25%§122 +15% | |
| 3501.90.20.00 | Casein glues | 6% | §301 +25%§122 +15% | |
| 3501.90.60.00 | Other | 0.37¢/kg | §301 +25%§122 +15% | |
| 3502.11.00.00 | Dried | 47.6¢/kg | §301 +25%§122 +15% | |
| 3502.19.00.00 | Other | 9.7¢/kg | §301 +25%§122 +15% | |
| 3502.20.00.00 | Milk albumin, including concentrates of two or more whey proteins | Free | §301 +25%§122 +15% | |
| 3502.90.00.00 | Other | Free | §301 +25%§122 +15% | |
| 3503.00.10.00 | Fish glue | 1.2¢/kg + 1.5% | §301 +25%§122 +15% | |
| 3503.00.20.00 | Valued under 88 cents per kg | 1.2¢/kg + 3.2% | §301 +25%§122 +15% | |
| 3503.00.40.00 | Valued 88 cents or more per kg | 2.8¢/kg + 3.8% | §301 +25%§122 +15% | |
| 3503.00.55 | Other | 2.8¢/kg + 3.8% | §301 +25%§122 +15% | |
| 3504.00.10.00 | Protein isolates | 5% | §301 +25%§122 +15% | |
| 3504.00.50.00 | Other | 4% | §301 +25%§122 +15% | |
| 3505.10.00 | Dextrins and other modified starches | 0.7¢/kg | §301 +25%§122 +15% | |
| 3505.20.00.00 | Glues | 2.1¢/kg + 2.9% | §301 +25%§122 +15% | |
| 3506.10.10.00 | Animal glue, including casein glue, but not including fish glue | 6.5% | §301 +25%§122 +15% | |
| 3506.10.50.00 | Other | 2.1% | §301 +25%§122 +15% | |
| 3506.91.10.00 | Optically clear free-film adhesives and optically clear curable liquid adhesives of a kind used solely or principally for the manufacture of flat panel displays or touch-sensitive screen panels | Free | §301 +25%§122 +15% | |
| 3506.91.50.00 | Other | 2.1% | §301 +25%§122 +15% | |
| 3506.99.00.00 | Other | 2.1% | §301 +25%§122 +15% | |
| 3507.10.00.00 | Rennet and concentrates thereof | Free | §301 +25%§122 +15% | |
| 3507.90.20.00 | Pencillin G amidase | Free | §301 +25%§122 +15% | |
| 3507.90.70.00 | Other | Free | §301 +25%§122 +15% |
Related HTS Chapters
About HTS Chapter 35 — Adhesives, Enzymes & Starches
HTS Chapter 35 covers adhesives, enzymes & starches under the US Harmonized Tariff Schedule (HTS). The HTS is maintained by the US International Trade Commission (USITC) and updated periodically to reflect trade policy changes including executive orders, Section 232 national security tariffs, Section 301 China tariffs, and Section 122 emergency tariffs.
To import goods under Chapter 35, US importers must declare the correct 10-digit HTS code on their Customs entry. The duty rate shown is the general (MFN) rate. Special rates may apply under free trade agreements (FTAs) such as USMCA, CPTPP, or bilateral agreements. Use the FTA Checker to see if preferential rates apply to your shipment.
Anti-dumping (AD) and countervailing duty (CVD) orders may impose additional duties on specific products and countries of origin beyond the rates shown here. Always consult with a licensed customs broker for classification decisions.