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
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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