Slag Wool Pipe Insulation from Canada
Cylindrical jackets of resin-bonded slag wool for insulating steam pipes and HVAC ducts, reducing heat loss and noise. HTS 6806.90.00.90 covers this as a heat- and sound-insulating article of mineral wool.
Duty Rate — Canada → United States
10%
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
• Measure wall thickness and ID/OD precisely for accurate HTS declaration
• ASME or ASTM certification aids in proving industrial insulation use
• Avoid foil jacketing that might trigger Chapter 76 aluminum classification