HS Code for Vermiculite

Vermiculite is classified under HS code 2530.10, which covers mineral substances not elsewhere specified or included, specifically unexpanded vermiculite, perlite, and chlorites. In its raw, unexpanded state, vermiculite is a hydrous phyllosilicate mineral that undergoes significant expansion when heated. The Harmonized System places raw minerals in Chapter 25, which generally includes products of the mining industry that have not been extensively processed. The classification 2530.10 is determined by the physical state of the mineral; as long as it remains in its natural, unexpanded form (even if crushed or washed), it remains within this heading. This follows GRI 1, as the heading and subheading text explicitly name the mineral.

Products Included

• Raw vermiculite ore
• Crushed unexpanded vermiculite
• Unexpanded perlite
• Chlorites in mineral form
• Screened vermiculite concentrates

Common Misclassification

The most significant misclassification occurs between raw vermiculite (2530.10) and expanded (exfoliated) vermiculite. Once vermiculite has been heat-treated to expand, it is no longer a raw mineral and must be classified under HS code 6806.20 as an exfoliated mineral or heat-insulating material. Additionally, vermiculite that has been mixed with fertilizers or peat for horticultural use may be classified under Chapter 31 or 3801, depending on the primary characteristic of the mixture. It is also important not to confuse it with mica (2525), despite their similar appearance.

FAQ

What is the HS code for vermiculite?

The HS code for unexpanded (raw) vermiculite is 2530.10.

Is expanded vermiculite classified under the same code?

No, expanded or exfoliated vermiculite is classified under HS code 6806.20 because it has undergone a thermal transformation that changes its physical structure.