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Free Tools/HSN Code Finder/Chapter 39/HSN 3913
HSN 39134-Digit Heading

HSN 3913: Natural polymers – GST Rate

HSN 3913 covers natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber). GST on HSN 3913 is 18% (rates effective 22 September 2025). This heading has 7 tariff items, for example 3913 10 10, 3913 10 90 and 3913 90 11.

Chapter 39: Plastics and articles thereof

GST rates as per CBIC Notifications 09/2025 and 10/2025 (Central Tax - Rate), effective 22 September 2025. Last updated: October 2026. Always verify on the official GST portal before filing.

GST Rates for Heading 3913

18%CGST 9% + SGST 9% / IGST 18%

All goods i.e. polymers; Polyacetals, other polyethers, epoxide resins, polycarbonates, alkyd resins, polyallyl esters, other polyesters; polyamides; Amino-resins, phenolic resins and polyurethanes; silicones; Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in Note 3 to this Chapter, not elsewhere specified or included; Cellulose and its chemical derivatives, not elsewhere specified or included; Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included; in primary forms

Reference: Schedule II, S. No. 114 (Spec: 3901 to 3913)
Other entries in this chapter (1)

These apply only if your goods match the description.

5%CGST 2.5% + SGST 2.5% / IGST 5%

Paper Sacks/Bags and bio-degradable bags

Reference: Schedule I, S. No. 319 (Spec: 39, 48)

Sub-Headings & Tariff Items Under 3913

Showing 9 sub-classification codes with complete hierarchy descriptions.

3913106-Digit Sub-heading

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Alginic Acid, Its Salts And Esters :

391310108-Digit Tariff Item

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Alginic Acid, Its Salts And Esters : > Sodium Alginate

391310908-Digit Tariff Item

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Alginic Acid, Its Salts And Esters : > Other

3913906-Digit Sub-heading

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Other :

391390118-Digit Tariff Item

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Other : > Chlorinated Rubber

391390198-Digit Tariff Item

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Other : > Other

391390208-Digit Tariff Item

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Other : > Hardened Proteins (Such As Hardened Casein, Gelatin)

391390308-Digit Tariff Item

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Other : > Dextran

391390908-Digit Tariff Item

Chain: Plastics and articles thereof > Natural Polymers (For Example, Alginic Acid) And Modified Natural Polymers (For Example, Hardened Proteins, Chemical Derivatives Of Natural Rubber), Not Elsewhere Specified Or Included, In Primary Forms > Other : > Other

Other Headings in Chapter 39

HSN 3901
Polymers Of Ethylene, In Primary Forms
HSN 3902
Polymers Of Propylene Or Of Other Olefins, In Primary Forms
HSN 3903
Polymers Of Styrene, In Primary Forms
HSN 3904
Polymers Of Vinyl Chloride Or Of Other Halogenated Olefins, In Primary Forms
HSN 3905
Polymers Of Vinyl Acetate Or Of Other Vinyl Esters, In Primary Forms; Other Vinyl Polymers In Primary Forms
HSN 3906
Acrylic Polymers In Primary Forms
HSN 3907
Polyacetals, Other Polyethers And Epoxide Resins, In Primary Forms; Polycarbonates, Alkyd Resins, Polyallylesters And Other Polyesters, In Primary Forms
HSN 3908
Polyamides In Primary Forms
HSN 3909
Amino-Resins, Phenolic Resins And Polyurethanes, In Primary Forms
HSN 3910
Silicones In Primary Forms
HSN 3911
Petroleum 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 3912
Cellulose And Its Chemical Derivatives, Not Elsewhere Specified Or Included, In Primary Forms
HSN 3914
ION–EXCHANGERS BASED ON POLYMERS OF HEADINGS 3901_x000D_ TO 3913, IN PRIMARY FORMS
HSN 3915
Waste, Parings And Scrap, Of Plastics
HSN 3916
Monofilament Of Which Any Cross-Sectional Dimension Exceeds 1Mm, Rods, Sticks And Profile Shapes, Whether Or Not Surface-Worked But Not Otherwise Worked, Of Plastic
HSN 3917
Tubes, Pipes And Hoses, And Fittings Therefor (For Example, Joints, Elbows, Flanges), Of Plastics
HSN 3918
Floor Coverings Of Plastics, Whether Or Not Selfadhesive, In Rolls Or In The Form Of Tiles; Wall Or Ceiling Coverings Of Plastics, As Defined In Note 9 To This Chapter
HSN 3919
Self-Adhesive Plates, Sheets, Film, Foil, Tape, Strip And Other Flat Shapes, Of Plastics, Whether Or Not In Rolls
HSN 3920
Other Plates, Sheets, Film, Foil And Strip, Of Plastics, Non-Cellular And Not Reinforced, Laminated, Supported Or Similarly Combined With Other Materials
HSN 3921
Other Plates, Sheets, Film, Foil And Strip, Of Plastics
HSN 3922
Baths, Shower-Baths, Sinks, Wash-Basins, Bidets, Lavatory Pans, Seats And Covers, Flushing Cisterns And Similar Sanitary Ware, Of Plastics
HSN 3923
Articles For The Conveyance Or Packing Of Goods, Of Plastics; Stoppers, Lids, Caps And Other Closures, Of Plastics
HSN 3924
Tableware, Kitchenware, Other Household Articles And Hygienic Or Toilet Articles, Of Plastics
HSN 3925
Builders' Ware Of Plastics, Not Elsewhere Specified Or Included
HSN 3926
Other Articles Of Plastics And Articles Of Other Materials Of Headings 3901 To 3914
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