HS Code for Styrene acrylonitrile
Styrene-acrylonitrile (SAN) copolymers are classified under HS code 3903.20. This classification is governed by Chapter 39 of the Harmonized System, which covers plastics and articles thereof. Heading 3903 is dedicated to polymers of styrene in primary forms. SAN is a copolymer, meaning it is composed of two or more monomer species—in this case, styrene and acrylonitrile. The HS nomenclature requires that copolymers be classified according to the monomer unit that predominates by weight. However, 3903.20 is a specific subheading for SAN, making the classification straightforward as long as the material is in a primary form such as granules, pellets, or powders. These resins are valued for their transparency, thermal resistance, and rigidity, distinguishing them from other styrene-based plastics. The classification is strictly for the raw material before it has been shaped into a finished article.
Products Included
- SAN resin pellets
- Styrene-acrylonitrile granules
- SAN copolymer powder
- SAN plastic in liquid or paste form
- Unprocessed SAN molding compounds
Common Misclassification
SAN is often misclassified under HS code 3903.11 or 3903.19, which are reserved for expandable and other types of polystyrene. While both are styrene polymers, SAN contains acrylonitrile, which necessitates the use of 3903.20. It is also sometimes confused with Acrylonitrile-Butadiene-Styrene (ABS) copolymers, which fall under HS code 3903.30. The absence of the butadiene component is the technical factor that separates SAN from ABS. Furthermore, finished articles made of SAN must be classified in their respective headings (e.g., 3924 for kitchenware) rather than 3903.20.
FAQ
What is the HS code for Styrene acrylonitrile?
The HS code for Styrene acrylonitrile (SAN) in primary forms is 3903.20.
What qualifies as a primary form for SAN?
Primary forms include liquids, pastes, blocks, lumps, powders, granules, flakes, and similar bulk forms that have not yet been fabricated into finished products.
Industry
Frequently Asked Questions
What is the HS code for Styrene acrylonitrile?
The HS code for Styrene acrylonitrile is 390320 (Styrene polymers; styrene-acrylonitrile (SAN) copolymers, in primary forms).
How do I classify Styrene acrylonitrile for customs?
Styrene acrylonitrile is classified under HS code 390320 — Styrene polymers; styrene-acrylonitrile (SAN) copolymers, in primary forms. This is a 6-digit subheading level code.
Is the HS code for Styrene acrylonitrile the same in all countries?
The base HS code 390320 for Styrene acrylonitrile is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.