Harmonized System
Section VII > Chapter 39 > Heading 3911 > 3911.10
Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes
Section VII > Chapter 39 > Heading 3911 > 3911.20
Poly(1,3-phenylene methylphosphonate)
Section VII > Chapter 39 > Heading 3912
Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.
Section VII > Chapter 39 > Heading 3912 > 3912.1
Cellulose acetates
Section VII > Chapter 39 > Heading 3912 > 3912.3
Cellulose ethers
Section VII > Chapter 39 > Heading 3912 > 3912.1 > 3912.11
Non-plasticised
Section VII > Chapter 39 > Heading 3912 > 3912.20
Cellulose nitrates (including collodions)
Section VII > Chapter 39 > Heading 3912 > 3912.3 > 3912.31
Carboxymethylcellulose and its salts