AR-Glass Roving for Concrete Reinforcement from Canada
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 — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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