Vermiculite, perlite and chlorites, unexpanded
Mineral substances not elsewhere specified or included. > Vermiculite, perlite and chlorites, unexpanded > Vermiculite, perlite and chlorites, unexpanded
Duty Rate (from China)
Products classified under Tariff item 2530.10.00.00
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.
2530.10.00Crude 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.
2530.10.00Horticultural 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.
2530.10.00Industrial 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.
2530.10.00Raw 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.
2530.10.00Unexpanded 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.