Harmonized Tariff Schedule of the U.S. › Chapter 39 Plastics and articles thereof
3912.31.00.10Tariff line
Classification path
Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms
3912
Cellulose ethers
Carboxymethylcellulose and its salts
Containing not less than 90 percent by weight of carboxymethylcellulose
3912.31.00.10
Rates of duty
General rate (Column 1)6.4%
SpecialFree (A*, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Column 266%
Unitkg
Free (A*, AU, BH, CL, CO, D, E, IL, JO, K, KR, MA, OM, P, PA, PE, S, SG)
Printed page 1700
Measure flags
for origin CN, entry date 2026-10-26 · base rate 6.4%
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 3912.31.00 is on L3
- PGAFDA FD3
Confirmed total 43.9% · max 43.9%Full duty breakdown →