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6806.90.00.20/Preformed Calcium Silicate Exhaust Duct Insulation/Canada

Preformed Calcium Silicate Exhaust Duct Insulation from Canada

Molded half-sections for insulating hot gas exhaust ducts in petrochemical plants, leveraging calcium silicate's high-temperature performance. HTS 6806.90.00.20 applies to these sound/heat-insulating molded mineral articles.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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Import Tips

• Document custom molding dimensions to distinguish from standard boards

• Comply with US fire safety standards (UL listings) for easier entry