Bis(polyoxyethylene) methylphosphonate
Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms. > Other polyethers: > Bis(polyoxyethylene) methylphosphonate > Bis(polyoxyethylene) methylphosphonate > Bis(polyoxyethylene) methylphosphonate
Duty Rate (from China)
Products classified under Tariff item 3907.21.00
Antiblaze 182 Flame Retardant
Antiblaze 182 is a flame retardant consisting of bis(polyoxyethylene) methylphosphonate in primary form, used for textile and paper coatings. Its chemical composition matches the tariff item's precise specification, and it is not excluded by Chapter 39 notes.
Bis(polyoxyethylene) methylphosphonate (BPEMP)
Bis(polyoxyethylene) methylphosphonate (BPEMP) is a polyether compound in primary form, used as a flame retardant. Its chemical structure as a phosphonate ester of polyoxyethylene chains directly matches the tariff item's description.
Phosflex 71B Flame Retardant
Phosflex 71B is a commercial grade of bis(polyoxyethylene) methylphosphonate used as a low-viscosity reactive flame retardant. It matches the tariff item's chemical description and is presented in primary form.
TEP-Enhanced BPEMP Polyether
TEP-Enhanced BPEMP Polyether is a triethyl phosphate-modified bis(polyoxyethylene) methylphosphonate formulation with over 95% named polymer content. It qualifies under the tariff item as the core monomer units predominate, per subheading note 1(a)(1).