Owens Corning R-19 Fiberglass Batt Insulation from Japan
This is a batt-style glass wool insulation product with an R-value of 19, designed for thermal and acoustic insulation in residential walls and attics. It falls under HTS 7019.80.10 as it is a mineral wool product with high silica content meeting the Chapter 70 definition for glass wool used specifically as an insulation product.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify silica (SiO2) content exceeds 60% or meets alkaline/boric oxide thresholds per Chapter 70 notes to confirm glass wool classification
• Provide lab test reports on fiber composition during customs entry to avoid reclassification to heading 6806
• Ensure packaging labels specify R-value and intended use as insulation to support HTS 7019.80.10 applicability