2522.20.00

Analysis

HTS 2522.20.00 covers quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of heading 2825: slaked lime under heading 2522 (quicklime, slaked lime and hydraulic lime, other than calcium oxide and hydroxide of…).

There is no general-rate duty on this line, which puts it with roughly 91% of the 78 tariff lines in chapter 25 that are also free. Free here means free of the base duty only: origin-specific Chapter 99 duties such as Section 301 can still be owed.

The other lines in the same group are 2522.10.00 (quicklime, slaked lime and hydraulic lime, other than…, duty-free) and 2522.30.00 (quicklime, slaked lime and hydraulic lime, other than…, duty-free).

Census statistics map these goods to NAICS 327410 (Lime Manufacturing), an industry of 93 US establishments employing 4,068 people, the industry a domestic producer of these goods reports under.

All 2 neighbouring lines carry the same duty-free rate, so a borderline choice between them changes the statistics reported, not the duty paid.

The general rate of Free has not changed in any edition of the schedule since Jan 2023.