HS Code 391390: Polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters)
What is HS Code 391390
HS Code 391390 covers Polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters). It is a 6-digit subheading — the deepest level of the international HS — within: · Section VII — Plastics and articles thereof; rubber and articles thereof · Chapter 39 — Plastics and articles thereof · Heading 3913 — Natural polymers (e.g. alginic acid) and modified natural polymers (e.g. hardened proteins, chemical derivatives of natural rubber), n.e.c. or included, in primary forms. At 6 digits, this code is the same in every HS-adopting country. From digit 7 onward, each country extends it.
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What does HS Code 391390 Polymers, natural and modified natural; in primary forms (excluding alginic acid, its salts and esters) Cover?
What HS Codes for Plastics Do Not Cover
Chapter 39 covers plastics in primary form and articles made of plastic. Goods frequently misclassified here but that belong elsewhere include:
Synthetic textile yarns and fibers
Chapters 54, 55
Footwear of plastic
Chapter 64
Plastic furniture
Chapter 94
Plastic toys, games, and sports equipment
Chapter 95
This list highlights common classification errors only — it is not exhaustive. For binding classification, work with a licensed customs broker or qualified trade compliance professional.
