---
title: "HSN Code for Limestone Flux (LD, <1% SiO2) | HSN 25210010 GST Rate"
description: "Find HSN and GST Rates for 25210010 related to Limestone Flux (LD, <1% SiO2) with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-25210010/"
---

# HSN Code 25210010: Limestone Flux (LD, <1% SiO2)

- [Section 05: Guide to HSN Section 05](https://busy.in/hsn/section-05/)
- [Chapter 25: Salt, Stones and Cement](https://busy.in/hsn/chapter-25/)
- [Sub-chapter 2521: Limestone & calcareous stones](https://busy.in/hsn/sub-chapter-2521/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| Limestone flux; limestone and other calcareous stones, of a kind used for the manufacture of lime or cement: Limestone flux (L.D., below 1% SiO2) | 2.5% | 2.5% | 5% | 0% |

## Frequently asked questions

### What products are classified under HSN 25210010 ?

It includes Limestone Flux (LD, <1% SiO2)

### How much GST applies to Limestone Flux (LD, <1% SiO2)?

Under HSN 25210010, Limestone Flux (LD, <1% SiO2) attracts Varies when sold in taxable form. Describe the form and packaging clearly on the invoice.

### How should mixed supplies be billed when Limestone Flux (LD, <1% SiO2) is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Limestone Flux (LD, <1% SiO2); Nil for exempt items if applicable).

### Can we claim ITC on inputs used to trade Limestone Flux (LD, <1% SiO2)?

If your outward supply is taxable (5%/12% etc.), eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

### Do e‑way bill and e‑invoice apply for Limestone Flux (LD, <1% SiO2)?

Generate an e‑way bill if the consignment value exceeds ₹50,000 (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

### Does packaging or labelling change the GST for Limestone Flux (LD, <1% SiO2)?

For many agri/food items, GST applies at 5% when they are not fresh/chilled and are sold as pre‑packaged & labelled. Loose or fresh/chilled forms may be Nil.

## India's trade performance: HSN Code 25210010 (FY 2024-25)

Source: TradeStat EIDB, Ministry of Commerce & Industry. Values in ₹ Crore (FY 2018-19 to FY 2024-25).

- Exports: ₹261 Cr (+1,401.09% YoY) — 0.0071% of India's total exports
- Imports: ₹2,746 Cr (+16.39% YoY) — 0.0452% of India's total imports
- Trade balance: −₹2,485 Cr (Deficit); surplus rank #12458 of 12657 HSN codes
- Share of Sub-Chapter 2521: 54.99% of its exports; import side 45.45%
- Rank within Sub-Chapter 2521: #1 of 2 by export value; import-side #2

### Key metrics

- Export CAGR: -0.27% (FY 2018-19 to FY 2024-25, 7 fiscal years)
- National export rank: #1583 of 12657 HSN codes by export value (FY 2024-25)
- Peak growth year: +1,401.09% in FY 2024-25
- Contribution to Sub-Ch. 2521: 54.99% of its exports (FY 2024-25)

## India export-import trade statistics: HSN Code 25210010

7-year export and import data, FY 2018-19 to FY 2024-25, in ₹ Crore. Source: Ministry of Commerce & Industry, TradeStat EIDB.

| FY | Exports (₹ Cr) | Exp share | Exp YoY | Exp % of Sub-Ch. 2521 | Imports (₹ Cr) | Imp share | Imp YoY | Imp % of Sub-Ch. 2521 | Trade balance | Exp rank |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| FY 2018-19 | 265.00 | 0.0116% | — | 56.10% | 1,126.75 | 0.0314% | — | 34.76% | −861.75 | #1079 |
| FY 2019-20 | 244.08 | 0.0111% | −7.89% | 54.88% | 1,179.27 | 0.0352% | +4.66% | 35.38% | −935.19 | #1153 |
| FY 2020-21 | 155.98 | 0.0073% | −36.09% | 3.65% | 1,257.70 | 0.0432% | +6.65% | 42.93% | −1,101.72 | #1618 |
| FY 2021-22 | 72.90 | 0.0023% | −53.26% | 16.97% | 1,983.81 | 0.0434% | +57.73% | 41.51% | −1,910.91 | #2828 |
| FY 2022-23 | 44.11 | 0.0012% | −39.49% | 15.77% | 2,451.39 | 0.0426% | +23.57% | 43.61% | −2,407.28 | #3650 |
| FY 2023-24 | 17.37 | 0.0005% | −60.62% | 11.53% | 2,359.58 | 0.0420% | −3.75% | 39.39% | −2,342.21 | #4963 |
| FY 2024-25 | 260.74 | 0.0071% | +1,401.09% | 54.99% | 2,746.20 | 0.0452% | +16.39% | 45.45% | −2,485.46 | #1583 |

- CAGR (7-year): exports -0.27%/yr, imports 16.01%/yr (consistently Deficit)

## Key trade insights: HSN Code 25210010 export-import analysis

### Export decline: -0.27% CAGR over 7 years

India's exports under HSN Code 25210010 have declined at a compound annual rate of -0.27% over 7 fiscal years, falling from ₹265.00 Crore in FY 2018-19 to ₹260.74 Crore in FY 2024-25.

### HSN Code 25210010 ranked #1583 among all 12657 HSN codes by export value

In FY 2024-25, HSN Code 25210010 ranks #1583 out of 12657 HSN codes by total export value. Within Sub-Chapter 2521, it ranks #1 of 2. By trade surplus, it ranks #12458 of 12657.

### FY 2024-25 was the strongest growth year for HSN Code 25210010 exports

The strongest single-year export movement for HSN Code 25210010 was recorded in FY 2024-25, when exports surged by 1,401.09% over the prior year.

### India records a trade deficit of ₹2,485.46 Crore in HSN Code 25210010 goods

In FY 2024-25, India's imports of ₹2,746.20 Cr exceeded exports of ₹260.74 Cr, resulting in a trade deficit of ₹2,485.46 Crore — ranking #12458 of 12657 by surplus magnitude.

### Import growth of 16.01% CAGR signals rising demand for Limestone Flux (LD, <1% SiO2)

India's imports under HSN Code 25210010 have grown at 16.01% CAGR, reaching ₹2,746.20 Crore in FY 2024-25.

### HSN Code 25210010 contributes 54.99% of Sub-Chapter 2521 exports — ranked #1

Among the 2 HSN codes under Sub-Chapter 2521, HSN Code 25210010 ranks #1 by export value — accounting for 54.99% of the sub-chapter's total exports in FY 2024-25. On the import side, it holds 45.45% share (rank #2).

## Related HSN Codes in Sub-Chapter 2521

Ranked by export value (FY 2024-25).

| Rank | HSN Code | Exports (FY 2024-25) |
| --- | --- | --- |
| #1 | HSN Code 25210010: Limestone Flux (LD, <1% SiO2) (this hsn code) | ₹261 Cr |
| #2 | [HSN Code 25210090: Other Limestone](https://busy.in/hsn/hsn-25210090/) | ₹213 Cr |