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.
Import Duty Rates by Country of Origin
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 purely silica-based without aluminum
Silicon dioxide and silicates without aluminum classify in 2811; aluminum addition shifts to 2842 per notes.
If prepared as mixtures for specific uses
Chemical preparations not purely chemically defined fall to 3824.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide XRF analysis confirming aluminosilicate composition for customs verification
• Ensure dust-free packaging to comply with air cargo regulations
• Register under TSCA if not on inventory for new chemical review
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.
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.
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.