High-Purity Poly(9-vinylcarbazole) Flakes
Flake-form high molecular weight polyvinyl carbazole (PVK) for organic electronics, with minimal processing aids. Precisely matches HTS 3905.99.3000 definition for 95%+ monomer purity.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If vinyl acetate copolymer base
Chapter 3905 prioritizes by predominant monomer; shifts if VA units dominate per subheading (b).
If silicones or siloxane-modified
Silicone polymers have separate heading 3910 regardless of vinyl base.
If as organic derivative for pharma
Certain heterocyclic compounds with polymer functionality classify in Chapter 29.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Include GPC/FTIR spectra in documentation to prove molecular structure and purity
• Check for GRI 2(b) exclusions if identifiable as waste/scrap
Related Products under HTS 3905.99.30.00
Polyvinyl Carbazole Resin Pellets
Granular polyvinyl carbazole (PVCz) resin in primary pellet form, containing processing adjuvants for improved handling. Classified under HTS 3905.99.3000 as it meets the 95% monomer content requirement for polyvinyl carbazole per subheading note (a)(1).
Industrial Polyvinyl Carbazole Powder
Fine powder form of polyvinyl carbazole polymer with stabilizers as adjuvants, used in photoreceptor production. HTS 3905.99.3000 applies due to specific naming and 95%+ monomer contribution by weight.
Photoconductive PVCz Polymer Granules
Polyvinyl carbazole granules with light-sensitive adjuvants for electrophotographic applications. Fits HTS 3905.99.3000 as named polymer in primary form with adjuvant allowance.
PVCz Masterbatch with Stabilizers
Concentrated polyvinyl carbazole masterbatch pellets including UV stabilizers as adjuvants for compounding. Remains in HTS 3905.99.3000 as primary polymer form meeting specific criteria.
Electroluminescent PVK Polymer Resin
Specialty polyvinyl carbazole resin for electroluminescent device fabrication, adjuvanted for solubility. HTS 3905.99.3000 due to explicit naming and primary form status.