Calcium Carbonate for Animal Feed

Coarse calcium carbonate (200-400 mesh) fortified for poultry/livestock feed as calcium source, classified under HTS 2836.50.00.00. Meets AAFCO nutritional specifications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

2309.90Lower: 11.4% vs 35%

If premixed complete feed

Prepared animal feeds containing mineral supplements classify Chapter 23.

3101.00.00.00Lower: 25% vs 35%

If containing animal/veg fertilizers

Mixed fertilizers shift to Chapter 31 per chapter exclusions.

2836Same rate: 35%

If magnesium carbonate

Mg-based carbonates for ruminant feeds have separate tariff lines.

Not sure which classification is right?

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Import Tips & Compliance

Certify fluoride (<0.3%) and dioxin levels per EU/US feed regulations

Include AAFCO 2.5% minimum calcium guarantee statements

Segregate from industrial grades to prevent cross-contamination

Related Products under HTS 2836.50.00.00

Precipitated Calcium Carbonate (PCC)

Precipitated calcium carbonate is a fine, white powder produced by chemical precipitation from calcium hydroxide and carbon dioxide, classified under HTS 2836.50.00.00 as chemically defined calcium carbonate. It is widely used as a filler in paper, plastics, and paints to enhance brightness and opacity.

Ground Calcium Carbonate (GCC) Powder

Ground calcium carbonate is a micronized powder derived from high-purity limestone, meeting the definition of calcium carbonate under HTS 2836.50.00.00 when chemically processed. Used in pharmaceuticals, food supplements, and as an antacid.

Nano Calcium Carbonate

Nano-sized calcium carbonate particles (1-100 nm) produced via precipitation for high-performance applications, classified as calcium carbonate under HTS 2836.50.00.00. Used in tire rubber reinforcement, coatings, and advanced composites.

Pharmaceutical Grade Calcium Carbonate USP

USP-grade calcium carbonate meeting pharmacopeia standards for purity and microbial limits, classified under HTS 2836.50.00.00 as chemically defined compound. Primary ingredient in antacids like Tums and calcium supplements.

Food Grade Calcium Carbonate E170

E170 food additive calcium carbonate used as acidity regulator, anticaking agent, and nutrient source, classified under HTS 2836.50.00.00. Meets FCC standards for direct food contact applications.

Calcium Carbonate Filler Masterbatch

Masterbatch containing 70-80% calcium carbonate dispersed in polymer carrier, but classified under HTS 2836.50.00.00 when imported as chemical concentrate. Used for plastics compounding to reduce costs.