HS Code for Clay minerals
Clay minerals are classified under HS code 2842.10 because they are defined as double or complex silicates, specifically aluminosilicates, that are either chemically defined or produced through synthetic chemical processes. Unlike natural clays found in Chapter 25, these minerals are often manufactured to achieve high levels of purity or specific crystalline structures, such as synthetic zeolites. According to the General Rules of Interpretation (GRI) and the Chapter 28 notes, this heading covers inorganic chemicals that are not elsewhere specified. The classification depends on the chemical composition rather than the physical state, provided the substance is an aluminosilicate. These materials are essential in industrial applications for their ion-exchange properties and as catalysts in the petrochemical industry. The distinction between a natural mineral and a chemically defined compound is the primary factor in assigning this code, as Chapter 28 is reserved for products of the chemical industry.
Products Included
- Synthetic zeolites used for water softening
- Chemically defined sodium aluminosilicates
- Synthetic molecular sieves
- Double silicates of magnesium and aluminum
- Complex silicates used as catalysts
Common Misclassification
The most frequent misclassification occurs with natural clays like kaolin or bentonite, which fall under HS codes 2507.00 or 2508.10. These natural earths are excluded from Chapter 28 unless they have been chemically treated beyond simple washing or grinding. Additionally, if the clay mineral is prepared as a pharmaceutical binder, it might be confused with Chapter 30 codes. It is also important to distinguish these from activated clays in heading 3802, which have undergone specific surface-area-enhancing treatments.
FAQ
What is the HS code for clay minerals?
The HS code for chemically defined clay minerals, specifically double or complex silicates like aluminosilicates, is 2842.10.
How do I distinguish between Chapter 25 and Chapter 28 clays?
Chapter 25 covers natural minerals that are extracted and processed only by physical means like crushing or washing. Chapter 28, specifically 2842.10, is for synthetic or chemically defined aluminosilicates.
Industry
Frequently Asked Questions
What is the HS code for Clay minerals?
The HS code for Clay minerals is 284210 (Salts of inorganic acids or peroxoacids, double or complex silicates, including aluminosilicates, whether or not chemically defined, excluding azides).
How do I classify Clay minerals for customs?
Clay minerals is classified under HS code 284210 — Salts of inorganic acids or peroxoacids, double or complex silicates, including aluminosilicates, whether or not chemically defined, excluding azides. This is a 6-digit subheading level code.
Is the HS code for Clay minerals the same in all countries?
The base HS code 284210 for Clay minerals is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.