New

Ask Wove anything about tariffs.

Try Tariff Assistant

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.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

3809.91.00Same rate: Free

If the same polymer is used in textile applications

End-use in the paper industry is required for this tariff item; other industries fall under different items.

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

• Document the aromatic content and polymer structure for CBSA classification review

• Ensure the product is not a pure chemical compound, which would be excluded from Chapter 38

• Verify if the product is subject to any import restrictions under Canadian chemical regulations

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 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.

Benzyl Chloride Paper Fluorescent Brightener

A distyryl biphenyl derivative with benzyl chloride aromatic groups exceeding 5%, used as an optical brightening agent in paper production. It enhances whiteness, qualifying as a finishing preparation for the paper industry.