Code 3913

NATURAL POLYMERS (FOR EXAMPLE, ALGINIC ACID) AND MODIFIED NATURAL POLYMERS (FOR EXAMPLE, HARDENED PROTEINS, CHEMICAL DERIVATIVES OF NATURAL RUBBER), IN PRIMARY FORMS, NOT ELSEWHERE SPECIFIED OR…

SECTION VII. Plastics and articles thereof; rubber and articles thereof

39 PLASTICS AND ARTICLES THEREOF

I. PRIMARY FORMS

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:

3913 10 000 0 alginic acid, its salts and esters

3913 90 000 0 other