Rock Wool Insulation Batts 24-inch Wide from China
These rock wool batts, made from spun molten rock fibers, measure 24 inches (61 cm) in width and are designed for thermal and sound insulation in residential walls. They fall under HTS 6806.10.00.40 as slag wool, rock wool or similar mineral wools in batt form exceeding 61 cm in width, excluding those of headings 6811, 6812 or chapter 69. The loose fibrous structure provides excellent heat-insulating and sound-absorbing properties.
Duty Rate — China → United States
41.4%
Rate breakdown
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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Verify product width exceeds 61 cm and confirm composition is primarily slag wool or rock wool via lab testing for customs compliance
• Provide manufacturer specs and safety data sheets (SDS) documenting non-asbestos content and R-value to prevent holds at entry