Synthetic Wet Strength Resin
Synthetic Wet Strength Resin is a polyamide-epichlorohydrin (PAE) resin applied to paper during manufacturing to maintain strength when wet. It is essential for tissue, towel, and liquid packaging papers. This product falls under tariff item 3809.92.00 as a finishing agent of a kind used in the paper industry.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is an epoxide resin in primary forms
Epoxide resins, including polyamide-epichlorohydrin resins, are classified in Chapter 39 when they are in primary forms and not put up as finishing agents.
If the product is a chemical preparation not specifically a finishing agent
Other chemical products and preparations not elsewhere specified may fall under heading 38.24 if they do not meet the description of finishing agents.
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
• Confirm the resin is not a separate chemically defined compound; PAE resins are typically polymeric and may fall under Chapter 39 if not formulated as paper finishing agents
• Provide evidence of use in paper manufacturing, such as technical literature or end-user certificates, to support classification
• Check if the product requires a permit under the Canadian Environmental Protection Act (CEPA) due to its chemical composition
Related Products under Tariff item 3809.92.00
AKD Wax Emulsifier for Paper Sizing
A cationic emulsifier for alkyl ketene dimer (AKD) wax used in paper sizing. It contains aromatic dispersing agents and is applied during paper production to impart water repellency, qualifying as a finishing preparation for the paper industry.
AKD Wax Emulsion Sizing Agent
An alkyl ketene dimer (AKD) wax emulsion used as a hydrophobic sizing agent in paper manufacturing to impart water resistance. It is a finishing preparation for the paper industry.
Alum Precipitating Aid
A polymeric coagulant aid used with papermaker's alum to enhance charge neutralization and precipitation. It improves retention and drainage, qualifying as a finishing preparation for the paper industry.
Aromatic Guar Gum Derivative for Paper
A hydroxypropyl guar derivative modified with aromatic quaternary groups, used as a dry strength additive and drainage aid in fine paper production. The aromatic content exceeds 5%, classifying it as a paper finishing preparation.
Aromatic PolyDADMAC Paper Retention Aid
A polyquaternary ammonium polymer with aromatic groups exceeding 5%, used as a retention and drainage aid in papermaking. It improves fiber and filler retention, qualifying as a finishing preparation for the paper industry.
Aromatic Rosin Sizing Emulsion
A water-based emulsion containing over 5% aromatic substances, used as a surface sizing agent in paper manufacturing. It controls ink penetration and improves print quality, making it a finishing preparation for the paper industry.