Rock Wool Pipe Insulation Jacket from China
Pre-formed rock wool insulation specifically designed as a jacket for covering pipes, made from spun molten rock fibers bonded with resin. It falls under HTS 6806.10.00.60 as slag wool, rock wool, or similar mineral wools shaped as pipe coverings for heat-insulating purposes. This excludes articles of heading 6811 or 6812 and chapter 69 products.
Duty Rate — China → United States
38.9%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Verify product is mineral wool-based (rock/slag wool) and specifically for pipe covering to avoid misclassification under bulk forms
• Include technical specs and manufacturer certifications confirming heat-insulating properties and R-value for customs compliance