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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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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