HS code 2528 00 20: Natural boric acid containing not more than 85% of H BO ( calculated on the dry weight )

HS code 2528 00 20 covers natural boric acid containing not more than 85% of H BO ( calculated on the dry weight ) 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 20
DescriptionNatural boric acid containing not more than 85% of H BO ( calculated on the dry weight )
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.

Questions about HS code 2528 00 20

What is the import duty on HS code 2528 00 20 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 boric acid containing not more than 85% of h bo ( calculated on the dry weight ) free in India?

DGFT import policy for HS code 2528 00 20 is Free.

Can natural boric acid containing not more than 85% of h bo ( calculated on the dry weight ) be exported from India?

DGFT export policy for HS code 2528 00 20 is Free.

Other lines under heading 2528

2528 00 10: Natural sodium borates and concentrates thereof2528 00 30: Natural calcium borates and concentrates thereof2528 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.