Heading 3913

PSCC Heading 3913 — Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms (2026)

Heading 3913 identifies the main commodity family Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms within Chapter 39.

Level Heading

Code 3913

Children 2

Source PSCC

Next step

Child codes

These are the next codes most users should open after this page.

3913.10.00

Alginic acid, its salts and esters

3913.90

Other

Practical summary

What this code covers

Administrative context

Where this code is used

Use this heading when the product name is close but still too broad for the subheading or line level.

Selection note

How to choose it

Compare the subheadings under Heading 3913 and then choose the line that matches the exact product wording.

Nearby headings

3901

Polymers of ethylene, in primary forms

3902

Polymers of propylene or of other olefins, in primary forms

3903

Polymers of styrene, in primary forms

3904

Polymers of vinyl chloride or of other halogenated olefins, in primary forms

3905

Polymers of vinyl acetate or of other vinyl esters, in primary forms; other vinyl polymers in primary forms

3906

Acrylic polymers in primary forms

3907

Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms

3908

Polyamides in primary forms

FAQ

What does PSCC 3913 cover?

Where is PSCC 3913 used in practice?

Use this heading when the product name is close but still too broad for the subheading or line level.

How do I choose PSCC 3913 over nearby options?

Compare the subheadings under Heading 3913 and then choose the line that matches the exact product wording.