Textile Mordant for Natural Dyes

Aluminum acetate solution used to fix natural dyes like indigo and madder on wool and silk fabrics using traditional mordanting techniques. Revived for artisan textile production. 3809.91.00 as textile mordant preparation.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6%+35.0%41%
🇲🇽Mexico6%+10.0%16%
🇨🇦Canada6%+10.0%16%
🇩🇪Germany6%+10.0%16%
🇯🇵Japan6%+10.0%16%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2827.35.00Lower: 38.7% vs 41%

If pure aluminum acetate crystals

Inorganic salts classified by chemical composition without preparation.

3809Same rate: 41%

If mordant prepared for metal surface treatment

Industrial metal mordants classified under 'other' finishing agents.

3201.90Lower: 13.1% vs 41%

If marketed as tannin extract mordant

Tannins and derivatives classified under tanning extracts chapter.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide mordanting time/temperature protocols matching natural dye processes

Include fastness test results with specific natural dye combinations

Document exclusion of synthetic mordants to maintain heritage classification

Related Products under HTS 3809.91.00.00

Textile Finishing Agent for Cotton Fabrics

A water-based emulsion containing silicone polymers and wax used to impart water repellency and softness to cotton fabrics during finishing processes. This preparation accelerates dye fixation and enhances fabric handle in textile manufacturing. Classified under 3808.91.00 because it is specifically formulated for textile industry applications.

Dye Fixing Agent for Synthetic Fibers

Cationic polymer-based preparation that binds reactive dyes to polyester and nylon fabrics, preventing color bleeding during washing. Used in high-temperature dyeing processes in textile mills. Falls under 3809.91.00 as a dye carrier and fixing agent for textile industries.

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