AR-Glass Roving for Concrete Reinforcement from Mexico
Alkali-resistant (AR) glass roving features zirconia content for durability in cementitious matrices, used in spray-up GRC (glassfiber reinforced concrete). It is classified in HTS 7019.19.91.00 as other glass fiber rovings. Essential for structural precast elements.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document zirconia oxide percentage (>14%) to prove AR properties; comply with ASTM specs for construction use; pitfall: bulk packaging may trigger weight-based duties