High-Purity Silica Fabric for Kiln Seals from China

Specialized colored woven silica filament fabric with >93% silica, used for gaskets and seals in high-temperature kilns. It qualifies for HTS 7019.61.90.30 as a mechanically bonded, closed woven roving fabric meeting the silica purity and coloration criteria. Provides superior thermal barrier properties.

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

Include chemical composition analysis in entry docs; ensure 'silica filament fabric' description matches statistical suffix 622

Avoid pitfall: confusing with fiberglass leading to wrong chapter