Raw Sienna Earth Pigment
Raw sienna is a naturally occurring yellowish-brown earth color mined from iron oxide deposits, supplied as powder for artist paints and historical restorations. Classified in HTS 2530.90.8015 as other earth colors not exceeding the iron purity exclusion for Chapter 28.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If exceeding 70% iron oxide content
High-purity iron-rich earths are excluded from Chapter 25 by note (b) and classified as chemical preparations.
If roasted into burnt sienna or dispersed in medium
Heat treatment or mixing changes it from raw mineral to inorganic pigment preparation in Chapter 32.
If in pebbles, powder, granules, or sintered form
Chapter note prioritizes heading 2517 for pebbled/granular earths over other Chapter 25 classifications.
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Import Tips & Compliance
• Conduct Fe2O3 assays to document compliance with <70% iron threshold per chapter exclusions
• Include mining source declarations to differentiate from synthetic iron oxide pigments
• Avoid retail packaging with applicators, as sets may shift to Chapter 32 or 96
Related Products under HTS 2530.90.80.15
Yellow Ocher Pigment
Natural yellow ocher is a fine powdered earth color derived from iron oxide-rich clay deposits, used primarily as a pigment in paints and coatings. It falls under HTS 2530.90.8015 as an unprocessed earth color containing less than 70% combined iron evaluated as Fe2O3, distinguishing it from higher-purity oxides in heading 2821.
Natural Umber Powder
Umber is a dark brown earth color from manganese and iron oxide clays, ground into powder for use in oil paints and stains. It qualifies for HTS 2530.90.8015 as a mineral earth color below the Chapter 28 iron exclusion limit.
Terracotta Earth Color
Terracotta earth is a reddish-orange natural clay pigment extracted from iron-rich soils, used in ceramics glazes and traditional plasters. HTS 2530.90.8015 applies to this unrefined earth color outside Chapter 28 purity exclusions.
Glauconite Greensand Pigment
Glauconite, or greensand, is a green earth color from marine sedimentary deposits containing iron silicates, powdered for pigments and filters. It is included in HTS 2530.90.8015 as other earth colors not meeting synthetic or high-purity exclusions.
Raw Bole Armenian Pigment
Bole Armenian is a soft red clay earth color rich in iron oxide and silica, traditionally used as a pigment base and in medicines. Classified under HTS 2530.90.8015 for natural earth colors below chemical purity thresholds.
Cretaceous Chalk Earth Color
Cretaceous chalk is a white earth pigment from fossilized marine deposits, low in iron, used in putties and fine art grounds. HTS 2530.90.8015 covers this as an other earth color outside excluded categories.