Silk Bolting Cloth for Laboratory Sieving from Mexico
Fine silk woven bolting cloth for precision sieving in laboratory settings, such as particle analysis. Falls under HTS 5911.20.3000 as other non-cotton bolting cloth per note 8. Its smooth surface prevents clogging during delicate separations.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document lab-grade purity and micron ratings; include test reports
• Pitfall: undervaluation as apparel silk—stress technical function
• Check for lamination which shifts to 5903