Chlorinated synthetic rubber
Petroleum resins, coumarone-indene resins, polyterpenes, polysulfides, polysulfones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms: > Other: > Other: > Other: > Chlorinated synthetic rubber
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Products classified under HTS 3911.90.70.00
Chlorobutyl Rubber (CIIR)
Chlorinated isobutylene-isoprene rubber (CIIR) in primary pellet or bale form, where chlorinated monomer units predominate >95% by weight. Widely used in tire inner liners and pharmaceutical stoppers for air impermeability. Classified in 3911.90.70.00 as chlorinated synthetic rubber.
Hypalon Chlorinated Rubber (CSM-20)
Chlorosulfonated polyethylene (Hypalon CSM-20), a chlorinated synthetic rubber with >95% polyethylene-derived chlorinated units. Excels in chemical-resistant hoses and cables. Primary form classification under 3911.90.70.00.
Chlorinated Styrene-Butadiene Rubber (Cl-SBR)
Chlorinated copolymer of styrene-butadiene rubber, meeting 95% chlorinated unit threshold. Used in tire treads and conveyor belts for enhanced adhesion. 3911.90.70.00 for this primary chlorinated synthetic rubber.
Baymod CN Chlorinated Rubber
Commercial chlorinated synthetic rubber resin (Baymod CN series) from chlorination of natural/synthetic base, >95% purity. For marine coatings and adhesives. HTS 3911.90.70.00 applies.
Chlorinated Polyisoprene Rubber (Cl-IR)
Chlorinated synthetic polyisoprene rubber in latex or solid form, predominant chlorinated units. Used in medical gloves and seals. Primary form under 3911.90.70.00.
Permalyn Chlorinated Resin
Chlorinated terpene-phenolic synthetic rubber resin for adhesives. 95%+ chlorinated content. 3911.90.70.00.
Cloroprene Chlorinated Elastomer
Specialty chlorinated neoprene elastomer powder for coatings. Primary form, HTS 3911.90.70.00.
Super-Chlor Rubber Compound
High-chlorine synthetic rubber for tank linings. >95% chlorinated. 3911.90.70.00.
Chlorinated Acrylic Rubber
Chlorinated polyacrylate rubber for automotive O-rings. Primary, 3911.90.70.00.
Eco-Chlor Synthetic Rubber
Bio-based chlorinated synthetic rubber pellets. 3911.90.70.00.
Tyrin CX-100 Chlorinated Rubber
Dow Tyrin CX-100 chlorinated polyolefin rubber. For modifiers. 3911.90.70.00.
Chlorinated EVA Rubber
Chlorinated ethylene-vinyl acetate copolymer rubber. Adhesives use. 3911.90.70.00.
Chlorinated Neoprene Rubber (CR)
Chlorinated synthetic rubber derived from polychloroprene (neoprene) through chlorination, meeting the 95%+ monomer content requirement per subheading notes. Used primarily in adhesives, sealants, and corrosion-resistant coatings due to its oil and chemical resistance. Classified under 3911.90.70.00 as chlorinated synthetic rubber in primary form.
Chlorinated Nitrile Butadiene Rubber (HNBR-Cl)
High-performance chlorinated synthetic rubber based on hydrogenated nitrile butadiene rubber, with chlorinated units exceeding 95% by weight. Ideal for automotive seals and gaskets requiring heat and fluid resistance. Falls under 3911.90.70.00 for its primary form chlorinated structure.
Chlorinated EPDM Rubber (Cl-EPDM)
Chlorinated ethylene-propylene-diene terpolymer rubber, with chlorination ensuring >95% modified monomer dominance. Applied in weatherproof roofing membranes and wire insulation. HTS 3911.90.70.00 covers this as other chlorinated synthetic rubber.