Silica Fabric Thermal Barrier for Exhaust Systems from Mexico
Uncolored, plain weave silica filament fabric (>93% SiO2) with protective lamination for automotive exhaust heat shields. Fits HTS 7019.64.40.30 as a coated, mechanically bonded closed woven fabric for high-heat isolation. Conforms to fused silica inclusion per tariff schedule definitions.
Duty Rate — Mexico → United States
17.3%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify no lead crystal additives; chapter subheading note irrelevant but ensures purity claims
• Document mechanical bonding process to differentiate from chemically bonded alternatives