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HSN 3824: Prepared binders for foundry moulds or cores
HSN code 3824 covers: Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included.
It is taxed at 18% GST (per CBIC Notification 9/2025-Central Tax (Rate), effective 22 Sep 2025) — put 3824 in the HSN/SAC column and 18 in the GST % column when you bill it.
Rates reflect the 22 Sep 2025 GST 2.0 reform (mainly 5% and 18%, with 3% for precious metals and 28%/40% for select sin and luxury goods). This is a reference drawn from the CBIC rate schedule, not tax advice — confirm the exact rate for your specific item with your CA.
What's inside 3824
This heading has 17 subheadings, including: Binders, prepared; for foundry moulds or cores, Metal carbides, non-agglomerated; mixed together or with metallic binders, Cements, mortars or concretes; their prepared additives, Mortars and concretes; non-refractory, Sorbitol; other than that of subheading no. 2905.44, Chemical products, mixtures and preparations; containing goods specified in Subheading Note 3 to this Chapter; containing oxirane (ethylene oxide), Chemical products, mixtures and preparations; containing goods specified in Subheading Note 3 to this Chapter; containing polychlorinated biphenyls (PCBs), polychlorinated terphenyls (PCTs) or polybrominated biphenyls (PBBs), Chemical products, mixtures and preparations; containing goods specified in Subheading Note 3 to this Chapter; containing tris(2,3-dibromopropyl) phosphate…. Use the HSN/SAC finder to pin down the exact code.
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