3921 Plastic plates, sheets, film, foil and strip n.e.c. in chapter 39
Heading 3921 is a 4-digit product category inside its chapter. Businesses with turnover up to Rs. 5 crore can report this 4-digit code in GSTR-1; drill into the 8-digit codes below for full detail and rates.
Reporting this 4-digit code?Confirm it with an IncorpX advisor, free
All codes under heading 3921
Grouped by 6-digit subheading. Open any 8-digit code for its official description, GST schedule rows, CGST/SGST split and calculator.
GST rates shown here are as published in HSN to GST code and GST rate schedule mapping (as published 30.06.2017) and are reproduced for reference. The GST Council revises rates through notifications, including the slab rationalization effective 22.09.2025 that moved many goods from the 12% and 28% slabs. Always verify the current rate on the CBIC GST rates page or CBIC tax information portal before invoicing or filing. Rates shown exclude any applicable compensation cess. IncorpX provides assistance for GST registration and return filing if you need help.
Heading 3921 questions
What does HSN heading 3921 cover?
Heading 3921 covers plastic plates, sheets, film, foil and strip n.e.c. in chapter 39. It holds 6 subheadings and 26 8-digit HSN codes under Chapter 39.
Is the 4-digit code 3921 enough for my GST return?
If your aggregate turnover is up to Rs. 5 crore, reporting the 4-digit heading 3921 in GSTR-1 satisfies the HSN requirement. Above Rs. 5 crore you must report 6 digits, and customs filings always use the full 8-digit code.
What GST rate applies to heading 3921?
Codes under this heading map to 18% in the schedule, depending on the exact product and, in some rows, sale value or packing. Open the 8-digit code for its specific rows and CGST/SGST split, and verify the current rate before filing.
Not sure this is the right heading for your product?
Share what you sell and an IncorpX advisor will help you confirm the correct HSN code and the GST treatment that applies, before you invoice or file. Free, with no obligation. IncorpX provides assistance for GST registration and return filing; applications are always filed in your name with the tax authorities.
Nebin Binoy 
