Q3HSN Code 6806
Slag wool, rock wool and similar mineral wools
Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812 or of chapter 69
GST rate
18%
Codes under 6806
| Code | Description | GST rate |
|---|---|---|
| 6806 10 | Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls | 18% |
| 6806 20 | Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral (including intermixtures thereof) | 18% |
| 6806 20 00 | Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof) | 18% |
| 6806 90 | Slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading 6811 or 6812 or of chapter 69 › Other | 18% |
← Chapter 68: Articles of stone, plaster, cement and mica
Related HSN codes
6807Articles of asphalt or of similar material6805Natural or artificial abrasive powder or grain, on a base6808Panels, boards, tiles, blocks and similar articles6804Millstones, grindstones, grinding wheels and the like6809Articles of plaster or of compositions based on plaster6803Worked slate and articles of slate or of agglomerated slate
Frequently Asked Questions
What is the HSN code for slag wool, rock wool and similar mineral wools?
The HSN code for slag wool, rock wool and similar mineral wools is 6806, under Chapter 68 (Articles of stone, plaster, cement and mica).
What is the GST rate on slag wool, rock wool and similar mineral wools?
Slag wool, rock wool and similar mineral wools is taxed at 18% GST under HSN code 6806.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.