Calcium Metal Lumps
Irregular lumps of elemental calcium metal, typically 98-99% pure, obtained from electrolysis or aluminothermic processes, essential for lead-calcium battery alloys and pyrotechnics. Falls under HTS 2805.12.00.00 as unalloyed alkaline-earth metal in primary lump form per Chapter 28 notes.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3% | +35.0% | 38% |
| 🇲🇽Mexico | 3% | +10.0% | 13% |
| 🇨🇦Canada | 3% | +10.0% | 13% |
| 🇩🇪Germany | 3% | +10.0% | 13% |
| 🇯🇵Japan | 3% | +10.0% | 13% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prepared as reducing agents with organic stabilizers
Stabilized preparations for specific chemical uses fall under prepared chemicals of 3824, not pure elements.
If ferrocalcium alloy containing iron
Ferrocalcium, an interalloyed product with iron, is classified under ferrosilicon/ferroalloys in Chapter 72.
If in carbide form
Calcium carbide is specifically classified under carbides heading 2849 per chapter notes.
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Import Tips & Compliance
• Provide certificates of analysis confirming calcium content >98%; use inert atmosphere packaging to prevent oxidation
• Comply with DOT hazardous material regulations (UN1401) for air/sea shipment
• Watch for reclassification if lumps exceed certain size thresholds treated as articles
Related Products under HTS 2805.12.00.00
Calcium Metal Granules
Pure calcium metal in granular form, produced by thermal reduction of calcium oxide, used primarily in alloy production and as a reducing agent in chemical synthesis. This product is classified under HTS 2805.12.00.00 as elemental calcium, an alkaline-earth metal in its unalloyed, pure form meeting Chapter 28 definitions for chemical elements.
High-Purity Calcium Ingots
99.9% pure calcium cast into ingot shapes for research and high-precision applications like semiconductor doping and getter materials in vacuum systems. Classified in HTS 2805.12.00.00 as chemically defined alkaline-earth metal element, unworked except for casting.
Calcium Metal Turnings
Fine turnings or chips of elemental calcium generated from machining, used as reactive fillers in pyrotechnic compositions and chemical reagents. HTS 2805.12.00.00 covers these as primary forms of unalloyed calcium metal.
Research-Grade Calcium Metal
Ultra-high purity (99.999%) calcium metal in small quantities for laboratory research, spectroscopy standards, and material science studies. Meets HTS 2805.12.00.00 criteria as pure alkaline-earth element for scientific applications.