TEP-Enhanced BPEMP Polyether
TEP-Enhanced BPEMP Polyether is a formulation of bis(polyoxyethylene) methylphosphonate modified with triethyl phosphate, maintaining over 95% of the named polymer content. It is classified under tariff item 3907.21.00 per subheading note 1(a)(1), as the core monomer units of the named polymer predominate by weight.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the triethyl phosphate modification changes the polymer's classification under subheading notes.
If the named polymer content falls below 95%, the product may be classified under other polyethers.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the exact weight percentage of bis(polyoxyethylene) methylphosphonate in the formulation to prove it exceeds 95%, as required by the subheading note
• Be aware that the triethyl phosphate additive may be considered a non-polymeric substance; ensure it does not exceed 1% by weight unless it is a manufacturing impurity
Related Products under Tariff item 3907.21.00
Antiblaze 182 Flame Retardant
Antiblaze 182 is a flame retardant consisting of bis(polyoxyethylene) methylphosphonate in primary form, specifically formulated for textile and paper coatings. It falls under tariff item 3907.21.00 because its chemical composition matches the named product, and it is not excluded by Chapter 39 notes as it is a polymer-based chemical product.
Bis(polyoxyethylene) methylphosphonate (BPEMP)
Bis(polyoxyethylene) methylphosphonate (BPEMP) is a polyether compound used primarily as a flame retardant in various industrial applications. It is classified under tariff item 3907.21.00 as it directly matches the named chemical product, and Chapter 39 notes do not exclude it since it is a polymer in primary form.
Phosflex 71B Flame Retardant
Phosflex 71B is a commercial grade of bis(polyoxyethylene) methylphosphonate, used as a low-viscosity reactive flame retardant in polyurethane foams and coatings. It falls under tariff item 3907.21.00 because its chemical structure matches the named product, and it is presented in primary form as a liquid.