HSN HEADING

3911PETROLEUM RESINS, COUMARONE-INDENE RESINS, POLYTERPENES, POLYSULPHIDES, POLYSULPHONES AND OTHER PRODUCTS SPECIFIED IN NOTE 3 TO THIS CHAPTER, NOT ELSEWHERE SPECIFIED OR INCLUDED, IN PRIMARY FORM

HSN heading 3911 falls under Chapter 39 — plastics and articles thereof. It breaks down into 3 sub-codes listed below.

Sub-codes under 3911 (3)

391110

PETROLEUM RESINS, COUMARONE-INDENE OR COUMARONE, INDENE RESINS AND POLYTERPENES:

391120

POLY (1,3-PHENYLENE METHYLPHOSPHONATE)

391190

OTHER :

About HSN heading 3911

The 4-digit code 3911 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 39, which covers plastics and articles thereof.