Cyanate Ester Prepolymer Powder
Cyanate ester prepolymer powder, a hydrocarbon novolac cyanate ester in powdered primary form, used in molding compounds for IC packaging. It is classified under tariff item 3911.90.00 as a product specified in Note 3 to Chapter 39, not elsewhere specified or included.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the resin is an epoxy resin
Epoxy resins are classified under heading 39.07.
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
• Verify the resin is in primary forms (powder) as per Chapter 39 Note 6
• Document the cyanate ester composition and intended use to support classification
• Ensure the resin is not an article of Section XVI, which is excluded under Chapter 39 Note 2(s)
Related Products under Tariff item 3911.90.00
Aerospace-Grade Cyanate Ester Resin
Aerospace-grade cyanate ester resin, a hydrocarbon novolac cyanate ester thermosetting polymer in primary form, used for RTM processing in aircraft radomes. It is classified under tariff item 3911.90.00 as a product specified in Note 3 to Chapter 39, not elsewhere specified or included.
Aerospace-Grade Elastomeric Polysulfide Sealant Resin
Aerospace-grade elastomeric polysulfide sealant resin in primary liquid form, used for fuel tank coatings. It is a polysulfide polymer specified in Note 3 to Chapter 39, not elsewhere classified, and falls under this tariff item as 'Other' products in primary forms.
Aromatic Polysulfide Thermoset Pellets
Aromatic polysulfide thermoset pellets, a thermosetting resin in primary form for seals and gaskets. Offers excellent chemical and ozone resistance due to its aromatic polysulfide structure. Classified under tariff item 3911.90.00 as an 'other' product specified in Note 3 to Chapter 39, not elsewhere specified or included.
Aromatic Polysulfone PSU 1700
Aromatic polysulfone resin in primary granular form, a high-performance thermoplastic with aromatic ether-sulfone monomer units. It falls under tariff item 3911.90.00 as a product specified in Note 3 to Chapter 39, not elsewhere specified or included.
Aromatic Polyterpene Thermoset Prills
Aromatic polyterpene thermoset prills, a polyterpene resin derived from aromatic terpenes in thermosetting primary form. Enhances adhesion in pressure-sensitive adhesive tapes and labels. Classified under tariff item 3911.90.00 as an 'other' product specified in Note 3 to Chapter 39, not elsewhere specified or included.
Aromatic Terpene Phenolic Resin
Aromatic terpene phenolic resin, a thermoplastic derived from terpenes and phenolic aromatics, in primary form. It is classified under tariff item 3911.90.00 as a product specified in Note 3 to Chapter 39, not elsewhere specified or included.