Unfaced Glass Wool Pipe Insulation from Mexico
Cylindrical sections of glass wool for insulating hot and cold water pipes in plumbing systems, minimizing energy loss. Falls under HTS 7019.80.10.90 as other glass wool insulation products fitting the fused silica/mineral wool definition.
Duty Rate — Mexico → United States
14.9%
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
• Include pipe size compatibility specs and temperature ratings in commercial invoices
• Test for moisture absorption rates to comply with plumbing codes
• Separate from rigid foam; glass wool classification requires fiber verification