What documents are required to import HS 9902.09.18 into United States?

Typically required: commercial invoice, packing list, bill of lading / airway bill, certificate of origin (for preferential rates). Confirm latest requirements with USITC Harmonized Tariff Schedule (HTS) 2026.

How to calculate landed cost for importing HS 9902.09.18 into United States?

Use CIF (goods + freight + insurance) × Free = import duty. Then add VAT/GST = landed cost. Treayo provides an online calculator at https://treayo.com/en/calculator/us.

WCO classification path

National9902.09.18Partially polymerized (dimerized) rosin, catalyzed with sulfuric acid, softening point not less than 92˚ C, acid number not less than 140 (CAS No. 65997-05-9) (provided for in subheading 3806.90.00)

9902.09.18

ACTIVE

What is the United States import tariff for HS 9902.09.18 (Partially polymerized (dimerized) rosin, catalyzed)?

Quick answer: United States MFN rate for HS 9902.09.18 is Free.

"Partially polymerized (dimerized) rosin, catalyzed with sulfuric acid, softening point not less than 92˚ C, acid number not less than 140 (CAS No. 65997-05-9) (provided for in subheading 3806.90.00)"

HS code 9902.09.18 () under the United States tariff schedule classifies "Partially polymerized (dimerized) rosin, catalyzed with sulfuric acid, softening point not less than 92˚ C, acid number not less than 140 (CAS No. 65997-05-9) (provided for in subheading 3806.90.00)". United States customs apply MFN rate of Free, Column 2 rate No change.

Tariff Schedule

Classification	Rate	Legal
最惠国税率 (MFN) MFN rate	Free	Official tariff schedule
第二栏税率 Column 2 rate	No change	Official tariff schedule