</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3911.90.10.00/Liquid Polysulfide Polymer LS-50/Germany

Liquid Polysulfide Polymer LS-50 from Germany

Liquid Polysulfide Polymer LS-50 is an elastomeric polysulfide prepolymer in primary form used as a base for sealants and adhesives. It falls under HTS 3911.90.10.00 as an elastomeric product specified in note 3 to Chapter 39, in primary forms (not mixed with other substances). Its high elasticity and sulfur linkages distinguish it from other polymers.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Calculate with your customs valueVerify classification with AI

Import Tips

• Verify the polymer meets the elastomeric criteria per Chapter 39 Note 3 and provide monomer composition analysis showing predominant units

• Include Certificate of Analysis confirming primary form (not compounded or mixed) to avoid reclassification to 39.15

Liquid Polysulfide Polymer LS-50 from Germany — Import Duty Rate | HTS 3911.90.10.00