HSN HEADING
3820ANTI-FREEZING PREPARATIONS AND PREPARED DE-ICING FLUIDS
HSN heading 3820 falls under Chapter 38 — miscellaneous chemical products. It breaks down into 1 sub-codes listed below.
Sub-codes under 3820 (1)
About HSN heading 3820
The 4-digit code 3820 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 38, which covers miscellaneous chemical products.