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HSN Code 90278930: Instruments and apparatus for measuring the surface or interfacial tension of liquids

HSN 9027 89 30 is instruments and apparatus for measuring the surface or interfacial tension of liquids, a tariff item of heading 9027 (instruments and apparatus for physical or chemical analysis). GST: 5% / 18%. Basic customs duty: Free. Export policy: Free; RoDTEP 0.5% of FOB value.

Checked against the official files on 2 October 2026Heading 9027Chapter 90 · Optical, photographic, cinematographic…
GST rate5% / 18%

More than one entry reaches this code. The description of the goods decides the rate.

Notfn 9/2025-CT (Rate) · 9 entries
Basic customs dutyFree

Standard rate, unit u.

Customs Tariff · First Schedule · Ch. 90
Export policyFree

No export authorisation needed.

ITC(HS) 2022 · Schedule 2
RoDTEP0.5%

Of FOB value, exports from the domestic tariff area. AA, SEZ and EOU exports: 0.3%. Up to 31 December 2026.

Appendix 4R · w.e.f. 10 Oct 2024
Classification

Where HSN 9027 89 30 Sits

Use the eight-digit code on the bill of entry, the shipping bill and, where your turnover requires it, on the GST invoice. The first four digits are the heading; the last four narrow it to this line.

Chapter
90 · Optical, photographic, cinematographic, measuring, checking, medical or surgical instruments and apparatus; parts and accessories
Heading
9027 · Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments andapparatusfor measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes
Group
Other
Tariff item
9027 89 30 · Instruments and apparatus for measuring the surface or interfacial tension of liquids
Unit
u
GST

GST Rate on HSN 9027 89 30

GST on goods is fixed by the entries of Notification No. 9/2025-Central Tax (Rate), in force from 22 September 2025 and amended up to 30 April 2026. The entries below are the ones that reach this code. Match the goods to the description in the entry before you invoice.

GST rateEntryCodes namedGoods covered by the entry
5%Schedule I, S. No. 4899027Instruments and apparatus for medical, surgical, dental or veterinary uses, for physical or chemical analysis
18%Schedule II, S. No. 5769027Instruments and apparatus for physical or chemical analysis (for example, polarimeters, refractometers, spectrometers, gas or smoke analysis apparatus); instruments and apparatus for measuring or checking viscosity, porosity, expansion, surface tension or the like; instruments and apparatus for measuring or checking quantities of heat, sound or light (including exposure meters); microtomes [other than instruments and apparatus for medical, surgical, dental or veterinary uses for physical or chemical analysis]
5%Schedule I, S. No. 47390Coronary stents and coronary stent systems for use with cardiac catheters (chapter-wide entry)
5%Schedule I, S. No. 47490 or any otherArtificial kidney Chapter (chapter-wide entry)
5%Schedule I, S. No. 47590 or any otherBlood glucose monitoring system (Glucometer) and test strips Chapter (chapter-wide entry)
5%Schedule I, S. No. 47690 or any otherPatent Ductus Arteriosus / Atrial Septal Defect occlusion device Chapter (chapter-wide entry)
5%Schedule I, S. No. 47790 or any other ChapterParts of the following goods, namely: - (i) Crutches; (ii) Wheel chairs; (iii) Walking frames; (iv) Tricycles; (v) Braillers; and (vi) Artificial limbs (chapter-wide entry)
5%Schedule I, S. No. 47890 or any other ChapterAssistive devices, rehabilitation aids and other goods for disabled, specified in List 1 appended to this Schedule (chapter-wide entry)
5%Schedule I, S. No. 47990 or 84Disposable sterilized dialyzer or micro barrier of artificial kidney (chapter-wide entry)
18%Schedule II, S. No. 639Any ChapterGoods which are not specified in Schedule I, III, IV, V, VI or VII (residual entry)

Goods that fall under no specific entry take the residual entry, unless they are exempt under the exemption notification issued with the rate notification.

Import

Customs Duty on HSN 9027 89 30

An import pays basic customs duty at the tariff rate, social welfare surcharge at 10% of that duty (unless exempted for the goods), and IGST at the GST rate on the value plus both duties.

Basic customs duty at
Social welfare surcharge, 10% of the duty
IGST at on value plus both
Total duty and tax
As a share of the value

Standard rates only: no exemption notification, anti-dumping or safeguard duty, or trade-agreement rate is applied, and the surcharge is taken at 10% although some goods are exempted from it. A registered importer takes credit of the IGST.

Export

Export Policy and RoDTEP for HSN 9027 89 30

Schedule 2 of ITC(HS) 2022 marks this tariff item Free. Appendix 4R gives RoDTEP at 0.5% of FOB value for exports from the domestic tariff area and 0.3% for Advance Authorisation, SEZ and EOU exports. The scheme continues up to 31 December 2026.

  1. Current RoDTEP schedule takes effectAppendix 4R and 4RE notified by Notification 32/2024-25.
  2. All rates and caps limited to 50%Notification 60/2025-26, with immediate effect.
  3. Full rates restoredNotification 66/2025-26 and its corrigendum: the rates of 22 February 2026 apply again from 23 March.
  4. Scheme continued to 30 September 2026Notification 74/2025-26, rates unchanged.
  5. Scheme continued to 31 December 2026Notification 41/2026-27: rates and caps as on 30 September 2026 continue.
Same heading

Other Codes Under HSN 9027

Tariff itemDescriptionBasic customs duty
9027 10 00Gas or smoke analysis apparatus10%
9027 20 00Chromatographs and electrophoresis instrumentsFree
9027 30 10SpectrometersSpectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible,Free
9027 30 20SpectrophotometersSpectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible,Free
9027 30 90OtherSpectrometers, spectrophotometers and spectrographs using optical radiations (UV, visible,Free
9027 50 10PhotometersOther instruments and apparatus using optical radiations (UV, visible, IR)Free
9027 50 20RefractometersOther instruments and apparatus using optical radiations (UV, visible, IR)Free
9027 50 30PolarimetersOther instruments and apparatus using optical radiations (UV, visible, IR)Free
9027 50 90OtherOther instruments and apparatus using optical radiations (UV, visible, IR)Free
9027 81 00Mass spectrometresFree
9027 89 10ViscometresOtherFree
9027 89 20CalorimetresOtherFree
9027 89 30Instruments and apparatus for measuring the surface or interfacial tension of liquidsOtherFree
9027 89 90OtherOtherFree
9027 90 10Microtomes, including parts and accessories thereofMicrotomes; parts and accessories7.5%
9027 90 20Printed circuit assemblies for the goods of sub-heading 9027 80Microtomes; parts and accessories7.5%
9027 90 90OtherMicrotomes; parts and accessories7.5%
Not shown on this page
  • The item-wise import policy (Free, Restricted or Prohibited) of ITC(HS) Schedule 1.
  • Exemption notifications, anti-dumping and safeguard duties, and preferential rates under trade agreements. The duty shown is the tariff rate.
  • The GST exemption notification. Goods exempt under it pay no GST even if a rate entry names the code.

Official documents behind this page

  1. Notification No. 9/2025-Central Tax (Rate), 17 September 2025GST rate Schedules I to VI, in force from 22 September 2025, as amended by Notification No. 19/2025-Central Tax (Rate) of 31 December 2025 (Schedule VII omitted from 1 February 2026) and No. 01/2026 of 30 April 2026.
  2. Customs Tariff, First ScheduleCBIC Customs Tariff as on 30 June 2024, with the First Schedule amendments of the Finance (No. 2) Act, 2024, the Finance Act, 2025 and the Finance Act, 2026 applied.
  3. ITC(HS) 2022, Schedule 2, Export PolicyDGFT: the export policy and policy condition of each tariff item.
  4. Appendix 4R and Appendix 4RE, RoDTEP ScheduleDGFT, with effect from 10 October 2024 (Notification No. 32/2024-25); the 2026 changes are in Notifications 60, 66 and 74 of 2025-26 and 41 of 2026-27.

Disclaimer: This guide is general information based on the law and notifications in force when it was last updated. It is not professional advice for your case — rates, thresholds and due dates change, so check the current position with the official source before you act on it.

People also ask

Questions, answered

Short, direct answers to the 4 questions readers ask most on this topic.

HSN 9027 89 30 is the tariff item for instruments and apparatus for measuring the surface or interfacial tension of liquids, under heading 9027 (Instruments and apparatus for physical or chemical analysis) of Chapter 90.

The entries of Notification No. 9/2025-Central Tax (Rate) that reach this code give 5% / 18%. The rate depends on the description in the entry.

The basic customs duty in the Customs Tariff is Free. Social welfare surcharge at 10% of the duty and IGST at the GST rate are added. An exemption notification or a trade agreement can reduce the duty actually payable.

Yes. Appendix 4R lists the code at 0.5% of FOB value. The scheme continues up to 31 December 2026.