Q3HSN Code 6903
Other refractory ceramic goods
Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and sliding gates), other than those of siliceous fossil meals or of similar siliceous earths
GST rate
18%
Codes under 6903
| Code | Description | GST rate |
|---|---|---|
| 6903 10 | Containing by weight more than 50% of free carbon — ceramic products | 18% |
| 6903 10 10 | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths - containing by weight more than 50% of graphite or other carbon or of a mixture of these products: magnesia carbon bricks, shapes and graphetised alumina — ceramic products | 18% |
| 6903 10 90 | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths - containing by weight more than 50% of graphite or other carbon or of a mixture of these products:other — ceramic products | 18% |
| 6903 20 | Containing by weight more than 50% of alumina (al2o3) or of a mixture or compound of alumina and of silica (sio2) — ceramic products | 18% |
| 6903 20 10 | Silicon carbide crucibles | 18% |
| 6903 90 | Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and sliding gates), other than those of siliceous fossil meals or of similar siliceous earths › Other | 18% |
| 6903 90 10 | Zircon or zircon-mullite refractories | 18% |
| 6903 90 20 | Basalt tiles | 18% |
| 6903 90 30 | Ceramic fibres | 18% |
| 6903 90 40 | Monolithics or castables (fire-clay, basic, silica, high alumina, insulating) | 18% |
← Chapter 69: Bricks, tiles and ceramic sanitaryware
Related HSN codes
6904Ceramic building bricks, flooring blocks, support or filler6902Refractory bricks, blocks, tiles and similar refractory6905Roofing tiles, chimney-pots, cowls, chimney liners6901Bricks, blocks, tiles and other ceramic goods of siliceous6906Ceramic pipes, conduits, guttering and pipe fittings6914Other ceramic articles — ceramic products
Frequently Asked Questions
What is the HSN code for other refractory ceramic goods?
The HSN code for other refractory ceramic goods is 6903, under Chapter 69 (Bricks, tiles and ceramic sanitaryware).
What is the GST rate on other refractory ceramic goods?
Other refractory ceramic goods is taxed at 18% GST under HSN code 6903.
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.