Conductivity Water ASTM Type I
> ASTM Type I conductivity water with resistivity greater than 18 MΩ·cm is specifically named in heading 28.53 as 'water of similar purity'. This ultra-pure water is used for semiconductor rinsing and falls under this tariff item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• > Provide a certificate of analysis showing resistivity above 18 MΩ·cm to support classification
• Ensure the water is packaged in containers that maintain purity during transport
• Check if the product is subject to any food and drug regulations if used in pharmaceuticals
Related Products under Tariff item 2853.90.00
Aluminum Phosphide
> Aluminum phosphide is a chemically defined inorganic compound used primarily as a fumigant in agriculture to control pests in stored grains. As a phosphide of a metal other than iron, it is classified under heading 28.53, specifically this tariff item for other phosphides.
Barium Phosphide
> Barium phosphide is a chemically defined metal phosphide used in specialty alloys and as a reducing agent in extractive metallurgy. As a phosphide of a metal other than iron, it is classified under heading 28.53, falling under this tariff item for other phosphides.
Cadmium Phosphide
> Cadmium phosphide is a chemically defined phosphide used as a II-V semiconductor material for infrared detectors and photovoltaics. As a phosphide of a metal other than iron, it is classified under heading 28.53, specifically this tariff item for other phosphides.
Calcium Phosphide
> Calcium phosphide is a chemically defined phosphide used to generate phosphine gas in pyrotechnic signal flares and smoke generators. As a phosphide of a metal other than iron, it is classified under heading 28.53, falling under this tariff item for other phosphides.
Compressed Air Cylinders
> High-pressure compressed atmospheric air in cylinders for pneumatic tools is explicitly covered by heading 28.53 as 'compressed air'. This tariff item includes compressed air, whether or not rare gases have been removed, making it classifiable under this item.
Cu92P11 Phosphor Copper Waffle Ingots
> High-phosphorus variants of Cu92P11 phosphor copper, supplied as waffle-shaped ingots, contain more than 15% phosphorus by weight. Under Chapter Note 7 of the Customs Tariff, copper phosphide with over 15% phosphorus is explicitly included in heading 28.53, making these ingots classifiable under this tariff item.