Soap and detergent manufacturers, paper pulp mills, alumina refineries, and textile processing plants are major buyers of caustic soda flakes for pH adjustment and chemical processing.
HSN code 28151110 is classified as Free under India's DGFT ITC(HS) export policy — no export license is required.
This product may be freely exported/imported from India without a license.
HSN Code Details
HSN 28151110 covers sodium hydroxide (caustic soda) in solid flake form, one of the most heavily traded industrial alkalis worldwide.
Caustic soda flakes ship in moisture-proof HDPE-lined bags or bulk bags (jumbo bags) since the material is highly hygroscopic and will cake or liquefy if exposed to humidity during transit.
Related HSN Codes (Heading 2815)
Frequently Asked Questions
No. HSN 28151110 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Caustic soda flakes (28151110) must ship in moisture-sealed HDPE bags or jumbo bags - the material absorbs atmospheric moisture readily and will clump or dissolve if packaging fails.
HSN 28151110 falls under Chapter 28 and Heading 2815 of India's customs tariff schedule.
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