Chestnut Tannin Husk
Dried husks from chestnut trees (Castanea spp.) are rich in ellagitannins and used primarily for tanning high-quality leather like vegetable-tanned sole leather. This material is named in HTS 1404.90.90.20 for its key role in traditional tanning processes. Typically imported ground or whole for extraction.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If whole nuts for food use
Chestnuts provisionally preserved for human consumption are in Chapter 8.
If quebracho-derived but processed
Heading 3201 covers specific processed extracts like gallotannic acid.
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Import Tips & Compliance
• Label shipments clearly as 'tanning material' with specs; ensure no adulteration with synthetic tannins; comply with EU REACH if transshipping
Related Products under HTS 1404.90.90.20
Quebracho Extract Powder
Quebracho is a hardwood tree native to South America, and its bark is ground into powder rich in tannins, primarily used in the leather tanning industry. This raw vegetable material falls under HTS 1404.90.90.20 as it is specifically listed and employed chiefly for tanning hides into leather. It is imported in bulk for industrial processing.
Oak Bark Tannin Chips
Chipped oak bark from Quercus species, harvested and dried, serves as a primary source of natural tannins for vegetable tanning of leather. Listed explicitly under HTS 1404.90.90.20, it qualifies due to its predominant use in the tanning process rather than other applications. Imported in large bales for tannery operations.
Sumac Leaves for Tanning
Dried leaves of the sumac shrub (Rhus coriaria) provide high-tannin content ideal for light-colored leather tanning, especially in Middle Eastern traditions. Classified under HTS 1404.90.90.20 as a listed raw vegetable material used primarily in tanning. Imported in bundles for grinding into tanning liquor.
Tara Seed Pods
Whole or split pods from the tara tree (Caesalpinia spinosa), originating from Peru, are a sustainable source of gallotannins for eco-friendly leather tanning. Explicitly included in HTS 1404.90.90.20 for primary tanning applications. Bulk imported for pod grinding and extraction.
Valonia Acorn Cups
Acorn cups from the valonia oak (Quercus ithaburensis) are collected and dried, offering high ellagitannin levels for heavy leather tanning like saddlery. Named in HTS 1404.90.90.20 as a classic tanning material. Imported in hessian sacks for industrial use.
Wattle Bark Strips
Bark strips from Acacia mearnsii (black wattle), grown in South Africa and Australia, are the world's leading source of mimosa tannins for leather production. Falls under HTS 1404.90.90.20 as 'wattle' is explicitly listed for tanning. Shipped in bales for debarking and extraction.