Heading 9902

9902.09.18

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)

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Free
The base rate for goods from most countries.
Special
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Lower rates under trade agreements and programs, for goods that meet their rules of origin; each symbol names one.
Column 2
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The higher rate for the few countries without normal trade relations with the United States.

Base columns of the 2026 HTS Revision 22, in force from Oct. 30, 2026 (official source).

In the tariff

  1. 9902.09.18Partially 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)Free