Casein for Leather Finishing
Casein emulsion for leather finishing is used to enhance water resistance and durability of leather surfaces. It is classified under 3501.10.00 as casein, as it is not a tanning preparation. The emulsion is applied as a finishing agent but does not involve tanning processes.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If used for pre-tanning or tanning
Enzymatic or tanning preparations are excluded from Chapter 35.
If the casein is chemically modified for finishing
Derivatives of casein are classified under 3501.90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the emulsion is not a tanning preparation, which would fall under 3202
• Provide a composition breakdown to show casein is the primary ingredient
• If the emulsion contains other chemicals, verify classification as a preparation
Related Products under Tariff item 3501.10.00
Acid Casein Powder
Acid casein powder is produced by precipitating casein from skim milk using acid, yielding a high-protein powder. It is classified under tariff item 3501.10.00 as casein, not further processed into caseinates or glues. Commonly used in nutritional supplements and industrial binders due to its protein content and adhesive properties.
Bulk MPC 56 for Bakery Applications
Bulk MPC 56 is a milk protein concentrate with 56% protein content, produced by ultrafiltration of skim milk. It is used in bakery applications to enhance protein content and browning in bread and pastry products. As a casein-dominant milk protein, it falls under tariff item 3501.10.00 for casein.
Casein Binder for Plywood Glue
Casein binder for plywood glue is soluble casein used as a component in water-resistant adhesives. It is classified under 3501.10.00 as casein, as it is not yet formulated into a glue product. The binder provides adhesive strength when mixed with other ingredients during plywood manufacturing.
Casein Filler for Plastics
Casein filler for plastics is fine-ground casein used as a biodegradable filler in plastic compounds. It is classified under 3501.10.00 as casein, as it is not a caseinate or derivative. The product enhances biodegradability and reduces plastic content in composite materials.
Casein for Cosmetic Creams
Hydrolyzed casein for cosmetic creams is a moisturizing agent derived from casein. It is classified under 3501.10.00 as casein, provided it is not put up for retail sale as a cosmetic. The hydrolysis process does not alter its classification as casein, but it must not be a finished cosmetic product.
Casein for Paper Coating
Refined casein for paper coating acts as a binder in paper manufacturing to produce glossy finishes. It is classified under 3501.10.00 as casein, as it is not a gelatin product of the printing industry. The adhesive qualities make it suitable for surface treatments in printing and packaging.