Silica Roving Closed Weave Fabric from Canada
A closed fabric woven from rovings of silica filaments exceeding 93% silica, mechanically bonded for structural integrity under HTS 7019.62.40.30. Used in thermal insulation for industrial furnaces due to its high melting point.
Duty Rate — Canada → United States
17.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide manufacturer specs confirming >93% silica and roving structure for customs compliance
• Label as 'not colored' with evidence to prevent reclassification to colored variants