Unexpanded Perlite Rock
Crude perlite ore in loose rock or granular form, unheated and unexpanded, directly from volcanic deposits. This product is in a crude state and has not been processed beyond extraction and simple sizing. It falls under tariff item 2530.10.00 as unexpanded perlite, a lightweight siliceous mineral used in filtration and insulation.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the perlite has been expanded
Expanded perlite is classified under Chapter 68 as a manufactured mineral product.
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
• Ensure the perlite is not heat-treated or expanded; any such processing would reclassify the product
• Provide a geological description or assay report to confirm the product is natural perlite
• If the rock is crushed or screened, that is acceptable, but avoid any chemical treatments
Related Products under Tariff item 2530.10.00
Chlorite Mineral Flakes
Loose chlorite mineral in flake or schist form, unprocessed and unexpanded, sourced from metamorphic rock deposits. This product is in a crude state and has not been subjected to any processing beyond mechanical processes, so it falls under tariff item 2530.10.00 for unexpanded chlorites. It is commonly used in ceramics and fillers.
Crude Chlorite Powder
Lightly crushed chlorite mineral powder, uncalcined and unexpanded, for use in paints or plastics. The crushing is a mechanical process that does not alter the structure, keeping it within the scope of unexpanded chlorites. This product is not roasted, calcined, or mixed, so it qualifies under tariff item 2530.10.00.
Horticultural Vermiculite Flakes
Screened unexpanded vermiculite flakes sized for potting mixes, remaining in crude mineral state without heat treatment. Screening is a mechanical process allowed by Chapter 25 notes, and the product is not expanded or processed further. This product is classified under tariff item 2530.10.00 as unexpanded vermiculite.
Industrial Perlite Granules
Coarse unexpanded perlite granules for industrial expansion into abrasives or filters, unheated from natural ore. The granules are in a crude state, only mechanically processed, and not expanded. This product falls under tariff item 2530.10.00 as unexpanded perlite.
Raw Vermiculite Ore
Natural vermiculite ore extracted from deposits, unexpanded and in its crude form as loose flakes or granules. This product is in the crude state and has not been subjected to any processing beyond extraction and simple sorting. It is classified under tariff item 2530.10.00 as unexpanded vermiculite.