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HSN code 2512HSN code 2512: Siliceous fossil meals (for example, kieselguhr, tripolite and diatomite) and similar siliceous earths, whether or not calcined, of an apparent specific gravity of 1 or less.
HSN heading 2512 sits in chapter 25 (Salt; sulphur; earths and stone; plastering materials, lime and cement). It has 4 8-digit tariff items. On a tax invoice, businesses with turnover up to ₹5 crore show at least the 4-digit code 2512; above ₹5 crore, the 6-digit sub-heading.
⚠️About GST rates: GST rates on many goods changed from 22 September 2025, when most items moved to the 5% and 18% slabs and a few to 40%. This finder lists codes and descriptions only — confirm the rate for your item in the current CBIC rate notification before you invoice.
8-digit tariff items under 2512
| HSN code | Description |
|---|---|
| 25120010 | Siliceous Fossil Meals (For Example, Kieselguhr, Tripolite And Diatomite)… |
| 25120020 | Siliceous Fossil Meals (For Example, Kieselguhr, Tripolite And Diatomite)… |
| 25120030 | Siliceous Fossil Meals (For Example, Kieselguhr, Tripolite And Diatomite)… |
| 25120090 | Siliceous Fossil Meals (For Example, Kieselguhr, Tripolite And Diatomite)… |
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