Sodium Aluminosilicate Zeolite
Sodium aluminosilicate zeolites function as detergents builders and water softeners. Classified in 2842.90.90 as aluminosilicates, chemically defined or not, used in non-glass applications.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as silicates of other metals
Sodium silicates without aluminum go to 2839; aluminosilicates specifically to 2842.
If for natural siliceous minerals
Natural silica sands/minerals in Chapter 25 vs synthetic in Chapter 28.
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Import Tips & Compliance
• Include zeolite framework type (e.g
• A-type) in documentation for specificity
• Test for heavy metals to meet FDA indirect additive standards if for detergents
• Avoid bulk packing over 2 tons to prevent container stability issues
Related Products under HTS 2842.90.90
Sodium Thiocyanate
Sodium thiocyanate (NaSCN) is an inorganic salt of thiocyanic acid, used in chemical synthesis, photography, and as a reagent in analytical chemistry. It falls under HTS 2842.90.90 as a salt of an inorganic acid (thiocyanic acid) that is not specifically excluded or covered elsewhere in heading 2842.
Potassium Thiocyanate
Potassium thiocyanate (KSCN) serves as a source of thiocyanate ions in chemical reactions, electroplating, and corrosion inhibition. Classified in 2842.90.90 as an 'other' salt of inorganic thiocyanic acid, distinct from azides or specifically named salts.
Barium Thiocyanate
Barium thiocyanate is a soluble inorganic salt employed in pyrotechnics and analytical reagents. It qualifies for HTS 2842.90.90 as an other salt of thiocyanic acid, excluding azides.
Zinc Silicate Aluminosilicate
Synthetic zinc silicate aluminosilicates are used as molecular sieves and catalysts in industrial processes. They fall under 2842.90.90 explicitly as aluminosilicates whether or not chemically defined, per the subheading.
Ammonium Peroxosulfate
Ammonium peroxosulfate (NH4)2S2O8 is an oxidizing salt used in etching and polymerization. It imports under 2842.90.90 as other salts of peroxoacids (peroxosulfuric acid).
Sodium Perborate
Sodium perborate tetrahydrate acts as a bleaching agent and oxygen source in detergents. Falls under 2842.90.90 as a salt of peroxoboric acid, an inorganic peroxoacid.