High-Purity Silica Fabric for Industrial Furnace Curtains from China
A specialized plain weave fabric from >93% silica filaments, mechanically bonded and laminated with colored heat-resistant coating for furnace applications. Classified in HTS 7019.64.90.30 due to its closed weave structure, high silica purity, and protective lamination for extreme thermal exposure. Commonly used as protective curtains in high-temperature industrial furnaces.
Duty Rate — China → United States
24.5%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Provide furnace end-use certification to support thermal application claims during customs review
• Maintain records of weave type (plain weave) and mechanical bonding process to distinguish from non-woven fabrics
• Avoid common pitfall of improper weight declarations; ensure filament diameter specs match statistical reporting