Dolomitic Hydrated Lime

Partially slaked dolomitic lime containing magnesium for acid neutralization in steel production and agriculture. HTS 2522.20.00.00 includes this quicklime variant, differentiated from pure hydraulic lime. Offers slower reaction for sustained pH control.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFree+35.0%35%
πŸ‡²πŸ‡½MexicoFree+10.0%10%
πŸ‡¨πŸ‡¦CanadaFree+10.0%10%
πŸ‡©πŸ‡ͺGermanyFree+10.0%10%
πŸ‡―πŸ‡΅JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2522.30.00.00Same rate: 35%

If fully hydraulic reactive

True hydraulic limes with high magnesia have dedicated subheading.

2825.90Lower: 13.7% vs 35%

If purified magnesium/calcium hydroxide

Refined mixed hydroxides classify as chemicals.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

β€’ Provide chemical assays showing MgO content below hydraulic thresholds

β€’ Specify grain size for intended flux or soil use in import docs

β€’ Separate from high-calcium lime shipments to prevent blending issues

Related Products under HTS 2522.20.00.00

Hydrated Lime Powder for Construction

Finely ground slaked lime produced by reacting quicklime with water, used primarily as a mortar additive in bricklaying and plastering. It falls under HTS 2522.20.00.00 as slaked lime, distinct from pure calcium hydroxide preparations in heading 2825. This quicklime-derived product hydrates to form a putty-like consistency for building applications.

Slaked Lime Putty for Plastering

Wet slaked lime paste stored in airtight containers for traditional lime plaster walls and decorative finishes. Classified under HTS 2522.20.00.00 as hydrated lime from quicklime, excluding hydraulic variants. Its high plasticity makes it ideal for breathable historic building restoration.

Agricultural Hydrated Lime for Soil pH Adjustment

Coarse slaked lime granules applied to acidic soils to raise pH and supply calcium for crop growth. HTS 2522.20.00.00 covers this quicklime-hydrated product used in farming, separate from Chapter 31 fertilizers. It neutralizes soil acidity without nitrogen or phosphate additives.

Water Treatment Slaked Lime

High-calcium slaked lime powder dosed into water for pH control, softening, and impurity removal in municipal plants. Under HTS 2522.20.00.00 as mineral-derived slaked lime, not synthetic hydroxide of 2825. It reacts to precipitate hardness minerals effectively.

Flue Gas Desulfurization Slaked Lime

Reactive slaked lime injected into power plant scrubbers to capture SO2 emissions, forming gypsum byproduct. HTS 2522.20.00.00 applies to this industrial mineral product from hydrated quicklime. Essential for coal-fired emission controls.

Limewash Paint Base Slaked Lime

Slaked lime in powder or putty form mixed with pigments for breathable limewash coatings on historic buildings. Classified HTS 2522.20.00.00 as pure slaked lime, not Chapter 32 paints. Provides antifungal, vapor-permeable finishes.