Electronics manufacturers (conductive gold ink/paste for PCB and ceramic circuits) and medical diagnostic test manufacturers (colloidal gold immunoassay strips) are the main buyers.
HSN code 28431010 is classified as Restricted under India's DGFT ITC(HS) export policy — a license or permit is required before export.
This product requires a license or permit before export/import from India.
HSN Code Details
HSN 28431010 covers colloidal precious metal compounds of gold, used in electronics (conductive inks), medical diagnostics, and specialty catalysis.
As a precious metal compound, export requires standard customs valuation documentation for gold content plus any applicable precious-metal export declarations; ships in small, high-value, insured shipments.
Related HSN Codes (Heading 2843)
Frequently Asked Questions
Yes. HSN 28431010 is Restricted under DGFT ITC(HS) policy — you need a license or permit before export.
Colloidal gold compounds (28431010) require precious-metal export valuation documentation - shipped in small, high-value, insured parcels rather than bulk freight, mainly to electronics and diagnostics manufacturers.
HSN 28431010 falls under Chapter 28 and Heading 2843 of India's customs tariff schedule.
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