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
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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