3903 HSN Code: Polymers of styrene, primary forms

HSN Sub Chapter 3903 represents Polymers of styrene, primary forms under GST classification. This code helps businesses identify Polymers of styrene, primary forms correctly for billing, taxation, and trade. With HSN Sub Chapter 3903, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Polymers of styrene, primary forms.

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Chapter No	HSN Code	HSN Description	New GST Rate	Old GST Rate
39	3903	Polymers of styrene , in primary forms	18%	18%

HSN Code 3903

Chapter: 39

Description: Polymers of styrene , in primary forms

New GST Rate: 18% Old GST Rate: 18%

Tariff HSN	Description
39031100	Polystyrene: Expansible
39031910	Polystyrene: Other : Moulding Powder
39031990	Polystyrene: Other : Other
39032000	Styrene-acrylonitrile (SAN) copolymers
39033000	Acrylonitrile-butadine-styrene (ABS) copolymers
39039010	Other : Copolymers, solely of styrene with allyl alcohol, of any acetyl value of 175 or more
39039020	Other : Brominated polystyrene, containing by weight 58% or more but not more than 71% of bromine, in one of the forms mentioned in Note 6(b) to this Chapter
39039090	Other : Other

HSN Code 39031100

Polystyrene: Expansible

HSN Code 39031910

Polystyrene: Other : Moulding Powder

HSN Code 39031990

Polystyrene: Other : Other

HSN Code 39032000

Styrene-acrylonitrile (SAN) copolymers

HSN Code 39033000

Acrylonitrile-butadine-styrene (ABS) copolymers

HSN Code 39039010

Other : Copolymers, solely of styrene with allyl alcohol, of any acetyl value of 175 or more

HSN Code 39039020

Other : Brominated polystyrene, containing by weight 58% or more but not more than 71% of bromine, in one of the forms mentioned in Note 6(b) to this Chapter

HSN Code 39039090

Other : Other

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What products are classified under HSN 3903

It includes Polymers of styrene, primary forms

Does packaging or branding change how GST applies to Polymers of styrene, primary forms?

Yes. Many food/agri goods are treated differently when sold as pre‑packaged & labelled retail packs versus loose/open packs. If Polymers of styrene, primary forms is sold in small pouches (e.g., 500 g) with an MRP and label, record that on the invoice. Loose bulk bags often follow a different treatment.

How should I document Polymers of styrene, primary forms sent for job work?

Use a delivery challan for sending Polymers of styrene, primary forms to the job worker. Declare movement in your records and reconcile when the goods return. If the job worker raises a service invoice, classify it under SAC; your goods remain under the original HSN.

How are warranty replacements of Polymers of styrene, primary forms handled?

If replacement is without consideration under a pre‑agreed warranty, issue a delivery challan and reference the original invoice/contract. If consideration is charged, raise a tax invoice. Keep serial/lot details for traceability.

Any special steps when selling Polymers of styrene, primary forms through an e‑commerce platform?

Ensure registration requirements are met and reconcile the operator’s TCS statements with your GSTR‑2B/3B. Map SKU descriptions to HSN to reduce mismatches and returns.

Can I claim ITC on inputs and services used for Polymers of styrene, primary forms?

If your outward supply of Polymers of styrene, primary forms is taxable, ITC is generally available (Sections 16–17) except blocked credits (e.g., personal use, motor vehicles in most cases). For exempt supplies, proportionate reversal is required under Rule 42/43.

Is the composition scheme suitable if I mainly trade Polymers of styrene, primary forms?

The composition scheme is optional for eligible small suppliers of goods. You cannot issue tax invoices or collect tax under composition. Check turnover limits and exclusions; evaluate margins and ITC loss before opting in.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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