What is the duty rate for Chapter 35 goods?

General duty rates from 2.1% to 6.5%, with 7 duty-free lines; 16 lines carry a specific or compound duty. The rate that applies depends on the specific tariff line and the country of origin — preferential trade agreements can reduce or eliminate the general rate.

How do I find the right HTS code in Chapter 35?

Classification depends on the material, construction, and intended use of the product. Browse the headings on this page, or describe your product in the search box to get a candidate code with its duty rate.

Chapter 35

HTS codes for glues and enzymes

Albuminoidal substances; modified starches; glues; enzymes.

Headings: 7
Tariff lines: 32
General duty: General duty rates from 2.1% to 6.5%, with 7 duty-free lines; 16 lines carry a specific or compound duty

Headings in Chapter 35

3501Casein, caseinates and other casein derivatives; casein glues4
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 derivatives4
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 35016
3504Peptones and their derivatives; other protein substances and their derivatives, not elsewhere specified or included; hide powder, whether or not chromed4
3505Dextrins and other modified starches (for example, pregelatinized or esterified starches); glues based on starches, or on dextrins or other modified starches6
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 kg5
3507Enzymes; prepared enzymes not elsewhere specified or included3

Documents required to import Chapter 35 goods

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

Commercial InvoiceRequired
Packing ListRequired
Bill of Lading / Airway BillRequired
CBP Entry Summary (7501)Required
Prepared and filed by your customs broker
CBP Entry / Release (3461)Required
Prepared and filed by your customs broker
Customs Bond (CBP 301)Conditional
Required for formal entries — generally shipments valued over $2,500
Single-entry or continuous bond, obtained through your broker or a surety
Importer Security Filing (ISF "10+2")Conditional
Required for ocean freight only
Filed electronically at least 24 hours before loading at the foreign port
Importer ID Input Record (CBP 5106)Conditional
Required to establish or update your importer-of-record number with CBP
One-time setup for a new importer; not filed per shipment
Entry Manifest (CBP 7533)Conditional
Alternative to the 3461 for informal, low-value, or contiguous-country entries
Safety Data Sheet (SDS/MSDS)Required
EPA TSCA CertificationConditional
Required for chemical substances regulated under TSCA
EPA Notice of Arrival (Form 3540-1)Conditional
Required for pesticides and devices (typically Ch. 38)

Common questions

What does HTS Chapter 35 cover?: Chapter 35 of the US Harmonized Tariff Schedule covers albuminoidal substances; modified starches; glues; enzymes. It contains 7 four-digit headings and 32 tariff lines.
What is the duty rate for Chapter 35 goods?: General duty rates from 2.1% to 6.5%, with 7 duty-free lines; 16 lines carry a specific or compound duty. The rate that applies depends on the specific tariff line and the country of origin — preferential trade agreements can reduce or eliminate the general rate.
How do I find the right HTS code in Chapter 35?: Classification depends on the material, construction, and intended use of the product. Browse the headings on this page, or describe your product in the search box to get a candidate code with its duty rate.