---
title: "HSN Code for Surface Tension Reducing Agents | HSN 38249016 GST Rate"
description: "Find HSN and GST Rates for 38249016 related to Surface Tension Reducing Agents with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-38249016/"
---

# HSN Code 38249016: Surface Tension Reducing Agents

- [Section 06: Guide to HSN Section 06](https://busy.in/hsn/section-06/)
- [Chapter 38: Miscellaneous Chemical Products](https://busy.in/hsn/chapter-38/)
- [Sub-chapter 3824: Chemical products for moulds & cores](https://busy.in/hsn/sub-chapter-3824/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| 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 other: ammoniacal gas liquors and spent oxide produced in coal gas purification, case hardening compound, heat transfer salts; mixture of diphenyl and diphenyl oxide as heat transfer medium, mixed polyethylene glycols; salts for curing or salting, surface tension reducing agents salts for curing or salting | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 38249016 ?

It includes Other Polyesters

### How much GST applies to Surface Tension Reducing Agents?

Under HSN 38249016, Surface Tension Reducing Agents attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### How should mixed supplies be billed when Surface Tension Reducing Agents is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Surface Tension Reducing Agents; Nil for exempt items if applicable).

### Does packaging or labelling change the GST for Surface Tension Reducing Agents?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

### Any common misclassification issue with Surface Tension Reducing Agents?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

### Can we claim ITC on inputs used to trade Surface Tension Reducing Agents?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

### Do e‑way bill and e‑invoice apply for Surface Tension Reducing Agents?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.