Impregnated Activated Carbon with Potassium Iodide
Granular activated carbon impregnated with potassium iodide for H2S removal in biogas treatment. HTS 3802.10.0050 as base activated carbon; impregnation enhances chemisorption. Widely used in wastewater digesters.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If impregnation >20% by weight
Becomes chemical preparation where chemisorption dominates.
If carbon black with chemical treatment
Carbon black heading for pigment-grade materials.
If in pre-packed scrubber cartridges
Gas purification equipment classification.
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Import Tips & Compliance
• Declare impregnant composition <10% to maintain 3802 classification
• Provide performance data showing carbon as principal adsorbent
• EPA registration may be needed for odor control claims
Related Products under HTS 3802.10.00.50
Granular Activated Carbon GAC-12x40
Granular activated carbon with 12x40 mesh size, derived from coconut shells, used for water purification by adsorbing organic contaminants. Classified under HTS 3802.10.0050 as 'other' activated carbon, excluding forms specifically listed like powder or for sugar refining. High surface area of over 1000 m²/g enables efficient pollutant removal.
Coconut Shell Activated Carbon Pellets 4mm
Cylindrical pelletized activated carbon from coconut shells, 4mm diameter, optimized for gas phase adsorption in air purification systems. Falls under HTS 3802.10.0050 as 'other' activated carbon not in powder form or for specific refining uses. Exceptional hardness reduces dust formation in high-flow applications.
Wood-Based Activated Carbon Powder 325 Mesh
Fine 325 mesh activated carbon powder from hardwood, used in gold recovery and wastewater treatment. Although powdery, classified under 'other' 3802.10.0050 if not meeting exact principal subheading criteria. High microporosity ideal for heavy metal adsorption.
Acid-Washed Coconut Activated Carbon 8x30
8x30 mesh coconut shell activated carbon post-acid washed for low ash metals content, used in ultrapure water systems. 'Other' under 3802.10.0050 due to specialized treatment. Meets semiconductor grade purity standards.
Spent Activated Carbon from Gold Leaching
Regenerable spent activated carbon from cyanide gold leaching circuits, containing adsorbed gold complexes. HTS 3802.10.0050 as spent animal black includes similar exhausted carbons. Returned for thermal reactivation.
High-Density Bone Char 30x60 Mesh
Bone char (animal black) 30x60 granular form from bovine bones, used for sugar decolorization. Technically activated animal black under 3802.10.0050 'other'. Phosphate content aids fluoride removal.