Neutralizing Agent for Leather Tanning
A buffered alkaline preparation used post-chrome tanning to adjust pH and lock in tannins for stable leather. Fits HTS 3809.93.5000 as other leather processing chemical. Prevents acid reversion in finished hides.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure sodium carbonate (soda ash)
Inorganic alkalies are Chapter 28; formulated neutralizers are 3809.
If general pH adjuster without leather specification
Lack of industry specificity routes to catch-all chemical preparations.
If supplied as concentrated powder
Physical form (powder vs solution) separates leather subheadings.
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Import Tips & Compliance
• Include titration curves demonstrating buffering capacity
• Declare all alkaline components for wastewater compliance
• Specify 'post-tanning neutralizer' on shipping documents
Related Products under HTS 3809.93.50.00
Chromium Tanning Agent for Leather
A synthetic chromium-based finishing agent used in the leather tanning process to cross-link collagen fibers, making leather durable and water-resistant. It falls under HTS 3809.93.5000 as a preparation specifically for leather industries, not elsewhere specified. This agent is applied during wet processing to achieve full-grain leather quality.
Synthetic Fatliquoring Oil for Leather
An emulsified oil preparation used to lubricate and soften leather during finishing, preventing cracking and improving suppleness. Classified under HTS 3809.93.5000 for leather industry preparations like fatliquors that enhance hide quality. Applied post-tanning to full-thickness leather.
Leather Degreasing Emulsion
A surfactant-based emulsion for removing natural fats from raw hides before tanning, essential in leather preparation. It qualifies for HTS 3809.93.5000 as a leather industry finishing preparation not specified elsewhere. Improves penetration of tanning agents.
Acrylic Resin Finishing Compound for Leather
A water-based acrylic resin used as a topcoat on finished leather to provide gloss, abrasion resistance, and water repellency. Falls under HTS 3809.93.5000 for other leather industry finishing products. Commonly applied by roller or spray in shoe leather production.
Sulfonated Oil for Leather Pickling
Sulfonated vegetable oil used in the pickling stage of leather processing to preserve hides and facilitate tanning. Classified in HTS 3809.93.5000 as a leather industry preparation. Delivers salt and acid in emulsified form for uniform hide treatment.
Protein Filler for Leather Finishing
A casein or collagen-based filler compound that plumps and fills leather grain during finishing for uniform thickness. HTS 3809.93.5000 covers such protein preparations for leather industries. Used on corrected grain leathers.