HSN code 2818: Artificial Corundum, Whether Or Not Chemically Defined; Aluminium Oxide; Aluminium Hydroxide

HSN heading 2818 sits in chapter 28 (Inorganic chemicals; compounds of precious metals, rare-earth metals and radioactive elements). 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 2818; 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 2818

HSN code	Description
28181000	Artificial Corundum, Whether Or Not Chemically Defined; Aluminium Oxide; Aluminium Hydroxide Artificial Corundum, Whether Or Not Chemically Defined
28182010	Aluminium Oxide, Other Than Artificial Corundum : Alumina, Calcined
28182090	Aluminium Oxide, Other Than Artificial Corundum : Other
28183000	Artificial Corundum, Whether Or Not Chemically Defined; Aluminium Oxide; Aluminium Hydroxide -Aluminium Hydroxide

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