HS code 3903: I. PRIMARY FORMS | Polymers of styrene

Subheadings and CN codes in heading 3903

• 3903 11Polystyrene | Expansible

  Explanatory note (Eurostat): Expansible polystyrene, in primary forms

  • 3903 11 00 Expansible
• 3903 19Polystyrene | Other

  Explanatory note (Eurostat): Polystyrene, in primary forms (excl. expansible)

  • 3903 19 00 Other
• 3903 20Styrene-acrylonitrile (SAN) copolymers

  Explanatory note (Eurostat): Styrene-acrylonitrile copolymers "SAN", in primary forms

  • 3903 20 00 Styrene-acrylonitrile (SAN) copolymers
• 3903 30Acrylonitrile-butadiene-styrene (ABS) copolymers

  Explanatory note (Eurostat): Acrylonitrile-butadiene-styrene copolymers "ABS", in primary forms

  • 3903 30 00 Acrylonitrile-butadiene-styrene (ABS) copolymers
• 3903 90Other

  Explanatory note (Eurostat): Polymers of styrene, in primary forms (excl. polystyrene, styrene-acrylonitrile copolymers "SAN" and acrylonitrile-butadiene-styrene "ABS")

  • 3903 90 10 Copolymer, solely of styrene with allyl alcohol, of an acetyl value of 175 or more
  • 3903 90 20 Brominated polystyrene, containing by weight 58 % or more but not more than 71 % of bromine, in one of the forms mentioned in note 6(b) to this chapter
  • 3903 90 90 Other

The first 6 digits are the Harmonized System, shared worldwide: a US HTS code that starts with the same 6 digits sits under the same subheading. The last 2 digits are the EU's own CN split.

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