Other
Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms. > Cellulose acetates: > Other > Other
Duty Rate (from China)
Products classified under Tariff item 3913.90.00.90
Carboxymethyl Guar Gum
Carboxymethyl guar gum is a chemically modified derivative of guar gum, a natural polysaccharide. The carboxymethylation enhances water solubility, making it suitable for cosmetics, oil recovery, and food applications. It is supplied in primary powder form and falls under tariff item 3913.90.00 as a modified natural polymer.
3913.90.00Chitosan Powder
Chitosan powder is a deacetylated derivative of chitin, a natural polysaccharide obtained from crustacean shells. It is used in water treatment, wound care, and agricultural applications. Supplied in primary powder form, it is classified under tariff item 3913.90.00 as a modified natural polymer.
3913.90.00Dextran Powder
Dextran powder is a bacterial polysaccharide produced by fermentation of sucrose using Leuconostoc species. It is used as a plasma volume expander in pharmaceuticals and in laboratory reagents. As a natural polymer in primary powder form, it falls under tariff item 3913.90.00.
3913.90.00Gellan Gum
Gellan gum is a high-molecular-weight polysaccharide produced by bacterial fermentation (Sphingomonas elodea). It is used as a gelling agent in food, pharmaceuticals, and microbiological media. Supplied in primary powder form, it is classified under tariff item 3913.90.00 as a natural polymer.
3913.90.00Guar Gum Powder
Guar gum powder is a galactomannan polysaccharide extracted from guar beans (Cyamopsis tetragonoloba). It is used as a thickener in food, hydraulic fracturing, and textile processing. As a natural polymer in primary powder form, it falls under tariff item 3913.90.00.
3913.90.00Gutta-Percha Resin
Gutta-percha is a natural polymer (trans-1,4-polyisoprene) obtained from Palaquium trees. It is supplied in primary forms such as resin pellets and is used in golf ball covers, dental materials, and electrical insulation. As a natural polymer not elsewhere specified, it falls under tariff item 3913.90.00.
3913.90.00Hydroxyethyl Cellulose
Hydroxyethyl cellulose is a non-ionic cellulose ether produced by reacting cellulose with ethylene oxide. It is used as a thickener in paints, cosmetics, and construction materials. Supplied in primary granular or powder form, it falls under tariff item 3913.90.00 as a chemically modified natural polymer.
3913.90.00Hydroxypropyl Methylcellulose (HPMC)
Hydroxypropyl methylcellulose (HPMC) is a semi-synthetic polysaccharide derived from cellulose through etherification with propylene oxide and methyl chloride. It is widely used in pharmaceuticals for capsule shells and controlled-release formulations, as well as in construction and food. Supplied in primary powder or granular form, it falls under tariff item 3913.90.00.
3913.90.00Locust Bean Gum
Locust bean gum is a galactomannan polysaccharide extracted from the seeds of the carob tree (Ceratonia siliqua). It is used as a thickener and stabilizer in ice cream, dairy products, and cosmetics. Supplied in primary powder form, it falls under tariff item 3913.90.00 as a natural polymer.
3913.90.00Methylcellulose Powder
Methylcellulose powder is a methyl ether of cellulose, produced by treating cellulose with methyl chloride. It is used as a thickener in food products, laxatives, and construction materials. As a chemically modified natural polymer in primary powder form, it falls under tariff item 3913.90.00.
3913.90.00Pectin Powder
Pectin powder is a polysaccharide extracted from citrus peels and apple pomace. It is used as a gelling agent in jams, jellies, and pharmaceutical formulations. As a natural polymer in primary powder form, it falls under tariff item 3913.90.00.
3913.90.00Sodium Alginate Powder
Sodium alginate is a salt of alginic acid derived from brown seaweed. It is used in food texturizing, biomedical applications, and textile printing. Supplied in primary powder form, it falls under tariff item 3913.90.00 as a natural polymer derivative.
3913.90.00Sodium Carboxymethyl Cellulose (CMC)
Sodium carboxymethyl cellulose (CMC) is a water-soluble derivative of cellulose produced by reacting cellulose with sodium hydroxide and monochloroacetic acid. It is used as a thickener in food, pharmaceuticals, and detergents. Supplied in primary powder form, it falls under tariff item 3913.90.00 as a chemically modified natural polymer.
3913.90.00Tara Gum Powder
Tara gum is a galactomannan polysaccharide extracted from the seeds of the tara tree (Caesalpinia spinosa). It is used as a stabilizer in food and cosmetics. Supplied in primary powder form, it falls under tariff item 3913.90.00 as a natural polymer.
3913.90.00Welan Gum
Welan gum is a microbial polysaccharide produced by fermentation of Sphingomonas species. It is used as a thickener and suspending agent in cement, oil drilling, and construction. Supplied in primary powder form, it falls under tariff item 3913.90.00 as a natural polymer.