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Synthetic organic tanning substances; inorganic tanning substances; tanning preparations, whether or not containing natural tanning substances; enzymatic preparations for pre-tanning. > Other > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 3202.90.00
Acrylates-Based Synthetic Tanning Drum
Liquid acrylate polymer emulsion used as a chrome-free synthetic tanning agent in drum processing. It is a synthetic organic tanning substance classified under tariff item 3202.90.00 as 'Other'.
Aluminum Isopropoxide Tanning Complex
Aluminum isopropoxide is an organometallic aluminum compound used as a synthetic tanning agent for producing 'wet-white' leather alternatives to chrome tanning. It is classified under tariff item 3202.90.00 as a synthetic organic tanning substance.
Aluminum Sulfate Leather Tanning Salt
Aluminum sulfate is an inorganic tanning substance used in the leather industry, often in combination with chrome salts to produce combination-tanned leathers with enhanced stability. It falls under tariff item 3202.90.00 as an inorganic tanning substance, which is included in the description of the heading.
Ammonium Aluminum Sulfate Tanning Salt
Ammonium aluminum sulfate, also known as alum, is an inorganic tanning agent used to produce vegetable-retanned or combination leathers with a firm texture. It is classified under tariff item 3202.90.00 as an inorganic tanning substance.
Chromium III Sulfate Tanning Agent
Chromium III sulfate is an inorganic tanning substance used in the leather industry to convert animal hides into durable leather through chrome tanning. It is classified under tariff item 3202.90.00 as an inorganic tanning substance.
Chromium Sulfate Tanning Agent
Chromium sulfate is an inorganic compound used as a primary tanning agent to convert raw hides into durable leather by cross-linking collagen fibers. It is classified under tariff item 3202.90.00 as an inorganic tanning substance.
Complexing Agent for Tanning Bath
EDTA-free polycarboxylate complexing agent prevents chrome precipitation in tanning baths. It is a tanning preparation classified under tariff item 3202.90.00 as 'Other'.
Enzymatic Bating Preparation for Pre-Tanning
Proteolytic enzyme mixture removes non-fibrillar proteins from hides during pre-tanning bating process. It is an enzymatic preparation for pre-tanning classified under tariff item 3202.90.00.
Enzymatic Pre-Tanning Degreasing Preparation
Lipase-based enzymatic preparation removes natural fats from hides before tanning, improving penetration of tanning agents. It is covered under tariff item 3202.90.00 as an enzymatic preparation for pre-tanning.
Formaldehyde-Free Synthetic Retanning Agent
Melamine-formaldehyde free polymer dispersion used for retanning leather to improve fullness and grain tightness. It is classified as a synthetic organic tanning preparation under tariff item 3202.90.00.
Sodium Bisulfate Tanning Pickling Agent
Sodium bisulfate is used in the pickling stage of leather tanning to lower pH and prepare hides for chrome tanning. It consists entirely of inorganic substances and is classified under tariff item 3202.90.00 as an inorganic tanning substance.
Sodium Metabisulfite Pickling Acidulant
Sodium metabisulfite generates sulfurous acid in situ for leather pickling operations, acting as an antioxidant and preparing hides for chrome tanning. It is a wholly inorganic substance classified under tariff item 3202.90.00.
Titanium Dioxide Tanning Retanning Agent
Titanium dioxide serves as an inorganic retanning agent to whiten and opacify leather during finishing stages. It is a synthetic inorganic substance classified under tariff item 3202.90.00 as an inorganic tanning substance.
Zinc Oxide Leather Tanning Stabilizer
Precipitated zinc oxide functions as an inorganic tanning auxiliary to stabilize chrome-tanned leathers against thermal degradation. It is classified under tariff item 3202.90.00 as an inorganic tanning substance.
Zirconium Oxide Tanning Compound
Zirconium oxide-based inorganic tanning agents produce high-performance leathers with superior abrasion resistance for shoe uppers and upholstery. This product is classified under tariff item 3202.90.00 as an inorganic tanning substance.