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HS code reference

HS Code for Limestone flux: 2521.00

Limestone flux; limestone and other calcareous stone, of a kind used for the manufacture of lime or cement

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2521.00

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Pre-quote review

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Estimates are for planning only. Confirm final classification and rates with a licensed customs broker or the relevant customs authority.

Review Notes

Classification boundary

Review material, use, construction, and accessories

Quote workflow

Estimate first, then confirm with official tariff or broker

Is 2521.00 always the HS code for Limestone flux?

Limestone flux can be reviewed from 2521.00, but the final code depends on full product details, material, use, and destination tariff rules.

How do I estimate US import cost with this code?

Use the tariff calculator with origin, customs value, freight, and insurance to estimate landed cost.

Is this a binding classification opinion?

No. This page is for pre-quote planning and does not replace customs rulings, official tariff data, or licensed broker advice.

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