AR-Glass Roving for Concrete Reinforcement from Mexico
Alkali-resistant (AR) glass rovings resist cement's alkaline environment, used to reinforce concrete, GRC panels, and shotcrete applications. HTS 7019.12.00 covers these specialized rovings as continuous glass fiber assemblies.
Duty Rate — Mexico → United States
14.8%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include alkali resistance certification (ZR rating) to justify AR-glass classification over standard types
• Declare end-use in construction composites; bulk packaging affects Form 7501 line descriptions
• Watch for fiber blooming during shipping; proper container ventilation prevents customs holds