What is HS code 390390 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
Styrene polymers; in primary forms, n.e.c. in heading no. 3903
Heading 3903 — Polymers of styrene, in primary forms
Chapter 39: Plastics and articles thereof
Use HS-6 390390 when importing or exporting styrene polymers that don't fit into other specific categories under heading 3903. For example, this code applies to certain types of polystyrene used in packaging materials or construction applications.
This HS-6 line narrows down the broader category of styrene polymers to those that are not classified elsewhere. If you are dealing with a specific formulation of styrene that doesn’t fall under more defined HS-6 codes, this is likely the right choice.
For instance, if you have a shipment of expanded polystyrene foam used for insulation, you would classify it under this code. In contrast, if you were dealing with general-purpose polystyrene, you might look at HS-6 390391 instead, which is more specific.
It's important to distinguish between this code and others in the same heading, as misclassification can lead to customs delays or penalties. Always check the specific properties and intended use of your styrene polymer to ensure accurate classification.
Useful terms traders and brokers use for this HS-6 subheading.
styrene polymers · HS-6 390390 · packaging materials · expanded polystyrene · styrene-based adhesives · polystyrene beads · medical device manufacturing · styrene resin · 3D printing materials · construction applications · automotive parts · coatings and paints
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
Frequent classification questions with short practical guidance.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Common real-world topics that come up during code comparison.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Check the exact product specs and destination-country tariff notes before finalizing the code.
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
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