Zeolite/molecular sieve catalyst manufacturers and detergent builder (water softener) producers are the main buyers of complex aluminosilicate compounds.
HSN code 28421000 is classified as Free under India's DGFT ITC(HS) export policy — no export license is required.
This product may be freely exported/imported from India without a license.
HSN Code Details
HSN 28421000 covers double or complex silicates, including aluminosilicates, used in zeolite catalyst manufacturing, water softening, and ceramic applications.
Ships as non-hazardous fine powder in sealed moisture-resistant bags; catalyst-grade material requires specific pore-size and purity certification distinct from detergent-builder grade.
Related HSN Codes (Heading 2842)
- 2842); (d) thiocarbonates, selenocarbonates, tellurocarbonates, selenocyanates, tellurocyanates, tetrathiocyanatodiamminochromates (reineckates) and other complex cyanates, of inorganic bases (headingFree
- 284290OtherFree
- 28429010Arsenites and arsenatesFree
- 28429020Bichromates and dichromatesFree
- 28429090OtherFree
Frequently Asked Questions
No. HSN 28421000 is classified as Free under DGFT ITC(HS) policy, so it can be exported from India without an export license or permit.
Complex aluminosilicates (28421000) ship as non-hazardous powder - zeolite catalyst-grade needs specific pore-size certification, separate from detergent-builder grade.
HSN 28421000 falls under Chapter 28 and Heading 2842 of India's customs tariff schedule.
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