Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate
Prepared binders for foundry molds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included: > Other: > Mixtures and preparations consisting mainly of (5-ethyl-2-methyl-2-oxido3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate
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 3824.91.00.00
Amgard V-26-02 Textile Flame Retardant
Rhodium-based Amgard V-26-02 formulation rich in the HTS 3824.91 phosphonate compounds, applied as back-coating for curtains, upholstery, and apparel fabrics. Meets CPAI-84 and NFPA 701 fire standards for textiles. Classified here as it consists mainly of the specified phosphonate mixture for industrial chemical use.
Fire Retardant Additive CAS 84808-65-3
A chemical mixture primarily composed of (5-ethyl-2-methyl-2-oxido-3,2-dioxaphosphinan-5-yl)methyl methylphosphonate and bis(5-ethyl-2-methyl-2-oxido-1,3,2-dioxaphosphinan-5-yl)methyl methylphosphonate, known as FR-2 or DOPITE. Used as a flame retardant additive in polyurethane foams, textiles, and coatings to enhance fire resistance. Classified under HTS 3824.91.00.00 due to its specific phosphonate composition as a chemical preparation not elsewhere specified.
DOPITE FR-2 Polyurethane Flame Retardant
Commercial formulation DOPITE FR-2 consisting mainly of the phosphonate isomers defined in 3824.91.00.00, used specifically in flexible polyurethane foam production for furniture and mattresses. Provides high phosphorus content for effective flame retardancy without halogen release. Falls under this HTS code as a preparation of specified chemical substances from the chemical industries.
Phosphonate-Based Flexible Foam Fire Retardant
Industrial concentrate for spray application in flexible slabstock polyurethane foam production, primarily containing the 3824.91.00.00 phosphonate actives. Used in automotive seating and bedding to achieve California TB 117 fire ratings. HTS classification based on main component being the specified chemical mixture.
Industrial Coating Flame Retardant Concentrate
High-concentration phosphonate mixture for intumescent coatings on steel structures and wood panels, matching 3824.91.00.00 substance requirements. Forms protective char layer during fire exposure. Classified as chemical preparation due to predominant specified phosphonate content.