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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If copolymer blends where PVCz <95%
Classified by predominant monomer under 'Other' per subheading note (a)(4) if no 95% threshold met.
If formulated as synthetic colorant base
Paints/varnishes with polymer binders shift to Chapter 32 if end-use is coating rather than primary resin.
If mixed with significant non-polymer chemicals
Preparations not predominantly polymers classify as chemical mixtures in heading 3824.
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Import Tips & Compliance
• Submit lab analysis reports proving polyvinyl carbazole monomer exceeds 95% total polymer weight
• Avoid common pitfall of misdeclaring particle size, which doesn't affect primary form classification
• Label clearly as 'primary form' to distinguish from compounded Chapter 39 articles
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).
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.
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.