HS code 2528 00 30: Natural calcium borates and concentrates thereof

HS code 2528 00 30 covers natural calcium borates and concentrates thereof in chapter 25 (salt, sulphur, earths and stone, lime and cement). Total import duty is about 7.89% of the import value; DGFT import policy: Free.

Total import dutyabout 7.89%
Basic customs duty2.5%
IGST5%
Import policyFree
Export policyFree
Anti-dumpingNone found

Updated 2026-11-01 from official lists, including Budget 2026 and later customs notifications.

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Key facts

Tariff item (8-digit HS code)2528 00 30
DescriptionNatural calcium borates and concentrates thereof
Chapter25: Salt, sulphur, earths and stone, lime and cement
Heading2528: Natural borates and concentrates thereof (Whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H BO calculated on the dry 3 3 weight
Unitkg.
Basic customs duty (tariff rate)2.5%
Basic customs duty charged2.5%
Social welfare surcharge10% of BCD
IGST5%
Total import dutyabout 7.89% of the import value
DGFT import policyFree
DGFT export policyFree

Import duty (with Budget 2026 changes)

  • About ₹7,890 duty on every ₹1,00,000 of import value (CIF).

DGFT import and export policy

  • Import: Free.
  • Export: Free.

India's imports and exports

  • India imported 4,122 tonnes in 2025-26 (up 10.3% on 2024-25) under tariff item 25280030, “Natural calcium borates and concentrates thereof (whether or not calcined)”.
  • India exported 50 tonnes in 2025-26 (down 84% on 2024-25) under tariff item 25280030, “Natural calcium borates and concentrates thereof (whether or not calcined)”.

Questions about HS code 2528 00 30

What is the import duty on HS code 2528 00 30 in India?

About 7.89% of the import value: basic customs duty 2.5%, social welfare surcharge 10% of BCD and IGST 5%. IGST can usually be claimed back as input tax credit.

Is the import of natural calcium borates and concentrates thereof free in India?

DGFT import policy for HS code 2528 00 30 is Free.

Can natural calcium borates and concentrates thereof be exported from India?

DGFT export policy for HS code 2528 00 30 is Free.

Other lines under heading 2528

2528 00 10: Natural sodium borates and concentrates thereof2528 00 20: Natural boric acid containing not more than 85% of2528 00 90: Natural borates and concentrates thereof (Whether

Sources: Customs Tariff of India (CBIC) · Notification 45/2025-Customs and Budget 2026 amendments · IGST rates, Notification 9/2025-Integrated Tax (Rate) · DGFT ITC(HS) import and export policy · CBIC Customs (ADD) notifications · Export Import Data Bank (DGCI&S). Guidance from official lists, not legal advice; confirm the classification with your customs broker.