Silica Filament Woven Fabric for Kiln Insulation from Germany
High-purity woven fabric made from silica filaments with over 93% silica content, designed for thermal insulation in industrial kilns and furnaces. It falls under HTS 7019.72.40.30 as a chemically bonded, closed, uncolored silica filament fabric used in high-temperature environments. The fabric's structure provides excellent heat resistance up to 1650°C.
Duty Rate — Germany → 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
• Verify silica content certification exceeding 93% via lab analysis reports to confirm classification; ensure documentation distinguishes from lower-purity glass fibers
• Watch for misclassification as generic nonwovens under 5603 if not specified as silica filament