What is HSN Code 40021930?
HSN code 40021930 is the Harmonized System of Nomenclature classification for Styrene Butadiene Styrene Oil Bound Copolymer under India's Goods and Services Tax (GST). It is a 8-digit code sitting at the tariff item (8-digit) level of the HSN hierarchy.
This code belongs to Chapter 40 — Rubber And Articles Thereof, which is part of Section VII: Plastics & Rubber. Every GST-registered business supplying styrene butadiene styrene oil bound copolymer must quote HSN 40021930 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.