Dental Amalgam Alloy
Silver-tin-mercury amalgam powder for dental fillings, excluding precious metal amalgams. HTS 2853.90.90 includes 'amalgams, other than amalgams of precious metals'. Chemically defined alloy for restorative dentistry.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| π¨π³China | 2.8% | +25.0% | 27.8% |
| π²π½Mexico | 2.8% | β | 2.8% |
| π¨π¦Canada | 2.8% | β | 2.8% |
| π©πͺGermany | 2.8% | β | 2.8% |
| π―π΅Japan | 2.8% | β | 2.8% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-mixed into filled dental capsules
Ready-to-use dental fillings classify as pharmaceutical articles in 3006.
If containing precious metals like high-silver alloys
Precious metal amalgams explicitly excluded to Chapter 71.
If organic binder added for paste form
Organo-mercury compounds shift out of Chapter 28 per Note 2(b).
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Import Tips & Compliance
β’ FDA 510(k) clearance required; mercury vapor exposure controls
β’ Declare mercury content <50% for non-precious status
β’ Segregate from precious amalgams (7116) in shipments
Related Products under HTS 2853.90.90
Copper Phosphide (Phosphor Copper)
Copper phosphide, containing more than 15% phosphorus by weight, used in metallurgy for deoxidizing and alloying. Classified under HTS 2853.90.90 as per Chapter Note 7, which explicitly includes it in heading 2853. It is an inorganic compound of phosphorus and copper, not chemically excluded.
Zinc Phosphide Powder
Chemically defined zinc phosphide (Zn3P2) used as rodenticide active ingredient or in semiconductors. Falls under HTS 2853.90.90 as other phosphides, inorganic compounds per heading scope excluding ferrophosphorous. Highly reactive with moisture, producing phosphine gas.
Aluminum Phosphide Tablets
Tableted aluminum phosphide (AlP) for fumigation, generating phosphine gas. Classified in 2853.90.90 as chemically defined phosphide, inorganic compound under heading 2853. Excludes only ferrophosphorous per hierarchy.
Distilled Water USP Grade
Ultra-pure distilled water meeting USP standards for pharmaceutical use. HTS 2853.90.90 covers 'distilled or conductivity water and water of similar purity' explicitly. Free of ions, used in injections and labs.
Liquid Air (Synthetic)
Liquefied atmospheric air, rare gases not removed, used for cryogenic cooling. Falls under HTS 2853.90.90 as 'liquid air (whether or not rare gases have been removed)'. Inorganic compressed/liquefied gas mixture.
Conductivity Water ASTM Type I
ASTM Type I conductivity water with resistivity >18 MΩ·cm for semiconductor rinsing. Specifically named in 2853.90.90 as 'water of similar purity'. Ultra-pure for electronics manufacturing.