Cretaceous Chalk Earth Color
Cretaceous chalk earth color is a white pigment derived from fossilized marine deposits, low in iron content, used in putties and fine art grounds. It qualifies as an 'other earth color' under this tariff item, not meeting the exclusions of Chapter 25.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the chalk is pure calcium carbonate
Chalk of heading 2509 covers natural calcium carbonate.
If the chalk is mixed with colorants or treated for paint use
Prepared pigments fall under Chapter 32.
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
• Confirm the chalk is not mixed with binders or additives that would classify it as a prepared pigment
• Keep documentation showing it is in natural powdered form without calcination
• If the chalk contains over 70% combined iron, it may be excluded under Chapter 28
Related Products under Tariff item 2530.90.00
Agglomerated Meerschaum Rods
Agglomerated meerschaum rods are meerschaum powder molded and agglomerated into rods without further working, used for pipe stems or industrial fillers. They are specifically listed in the Chapter 25 notes as covered by this tariff item.
Agglomerated Meerschaum Rods Unworked
Meerschaum powder agglomerated into rods or sticks, not further worked after molding. This product is explicitly listed in the chapter notes for tariff item 2530.90.00 as agglomerated meerschaum in rods or similar forms.
Calcined Earth Colors Mix
Mixture of calcined natural earth colors like ochers and umbers for artist pigments. This product is classifiable under tariff item 2530.90.00 as earth colors, whether or not calcined or mixed together, provided the iron content is below 70% by weight.
Celestite Flotation Concentrate
Celestite flotation concentrate, wet-processed and dried but uncalcined, used as feedstock for strontium extraction. It remains a crude mineral under tariff item 2530.90.00, as beneficiation by flotation is a permitted mechanical process per Chapter 25 note 1.
Celestite Mineral Lumps
Hand-sorted celestite lumps from Mexican deposits, containing 95-98% SrSO4, used for strontium extraction. It falls under tariff item 2530.90.00 as celestite, a mineral substance not elsewhere specified, in its crude state.
Glauconite Greensand Pigment
Glauconite greensand pigment is a green earth color from marine sedimentary deposits containing iron silicates, powdered for use in pigments and filters. It is classified here as an 'other earth color' not meeting the synthetic or chemical purity thresholds of other chapters.