Diatomaceous Earth Crawling Insect Dust from Canada
Amorphous silica from fossilized diatoms (inorganic) as mechanical insecticide dust for ants/fleas. Retail puffer bottles for home use, under 3808.99.70.00. Abrades exoskeleton leading to dehydration.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Food-grade certification if pet-safe claims made; particle size analysis
• Pitfall: crude earth under 2512, refined pesticide here