Synthetic Silica Gel Beads for Gas Drying from Canada
Spherical beads of synthetic silica gel designed for industrial air and gas dehydration towers. HTS 2811.22.10.00 covers this as synthetic silicon dioxide, an inorganic oxygen compound of nonmetals, distinct from fused quartz or precipitated silicas.
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide adsorption isotherm data to distinguish from zeolite molecular sieves (2842)
• Large bulk shipments require proper UN packaging if >30% moisture regain
• Confirm synthetic origin via production process certs; natural silica excluded