Containing not less than 90 percent by weight of carboxymethylcellulose
Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: > Cellulose ethers: > Carboxymethylcellulose and its salts > Containing not less than 90 percent by weight of carboxymethylcellulose
Duty Rate (from China)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 3912.31.00.10
Sodium Carboxymethylcellulose Powder (90%+ CMC)
High-purity sodium carboxymethylcellulose (CMC) powder with at least 90% CMC content by weight, used as a thickener in food and pharmaceuticals. This primary form polymer falls under HTS 3912.31.00.10 due to its high carboxymethylcellulose concentration as per chapter notes on polymer classification. It is supplied in bulk for industrial formulation.
Carboxymethylcellulose Sodium Salt Granules (High Purity)
Granular form of carboxymethylcellulose sodium salt exceeding 90% CMC by weight, ideal for pharmaceutical tablet binders. Classified in HTS 3912.31.00.10 for its primary form and high CMC purity meeting subheading note (a) criteria. Not chemically modified beyond etherification.
Technical Grade CMC Powder for Detergents
Technical carboxymethylcellulose powder with ≥90% CMC content, used in laundry detergents as anti-redeposition agent. HTS 3912.31.00.10 applies due to predominant monomer unit per chapter note (a)(4). Supplied as free-flowing powder in industrial packaging.
Pharma Grade Carboxymethylcellulose USP Powder
USP-compliant carboxymethylcellulose powder with minimum 90% CMC by weight, used in oral suspensions and eye drops. Primary form classification under HTS 3912.31.00.10 based on high polymer purity. Meets pharmacopeia standards for excipient use.
Food Grade CMC E466 Thickener Powder
E466 certified food-grade carboxymethylcellulose powder ≥90% CMC, for ice cream and gluten-free baking. HTS 3912.31.00.10 for primary cellulose ether form with predominant CMC unit. Bulk packed for food processing.
Industrial CMC Binder for Ceramics
High-viscosity CMC powder ≥90% carboxymethylcellulose for ceramic tile binders and glazes. Primary polymer form under HTS 3912.31.00.10 per weight predominance rules. Used in manufacturing processes.
Battery Grade Carboxymethylcellulose for Lithium-Ion
Ultra-pure CMC powder ≥90% content used as binder in lithium-ion battery anodes. Classifies in primary form HTS 3912.31.00.10 due to polymer composition rules. Critical for EV battery production.
Paper Sizing Grade CMC Solution Powder
CMC powder ≥90% for surface sizing in paper manufacturing to improve printability. HTS 3912.31.00.10 as primary cellulose derivative with high purity. Dry powder form for mill addition.
Oil Drilling Grade CMC LV Powder
Low-viscosity CMC powder ≥90% CMC for oil well drilling fluids as viscosifier. Primary form under HTS 3912.31.00.10 meeting polymer weight rules. High-temperature stable grade.
Cosmetic Grade Sodium CMC Thickener
Sodium carboxymethylcellulose ≥90% purity for cosmetic creams and lotions as thickener. HTS 3912.31.00.10 for primary ether form. Meets cosmetic safety standards.
Textile Printing CMC Thickener Powder
High-substitution CMC powder ≥90% for reactive dye printing pastes in textiles. Primary form HTS 3912.31.00.10 per chapter polymer notes. Prevents dye bleeding.
Toothpaste Grade CMC Binder
Medium-viscosity CMC ≥90% for toothpaste formulations as binder and stabilizer. Classifies HTS 3912.31.00.10 as primary polymer. Oral care grade purity.
Water-Based Paint CMC Thickener
Associative thickener CMC powder ≥90% CMC content for latex paints. HTS 3912.31.00.10 primary form for paint rheology control. HEUR-free grade.
Gluten-Free Baking CMC Stabilizer
Food-grade CMC ≥90% for gluten-free bread dough stabilizer and crumb softener. Primary polymer HTS 3912.31.00.10. Clean label approved.
HVAC Filter Media CMC Binder
Specialty CMC powder ≥90% for binding nonwoven HVAC filter media. HTS 3912.31.00.10 as primary cellulose ether. High dust holding capacity.