AR-Glass Roving for Concrete Reinforcement from Canada

Alkali-resistant (AR) glass roving withstands cement's high pH environment, used in glass fiber reinforced concrete (GFRC) panels. HTS 7019.12.0080 covers this as other rovings meeting fused glass fiber definitions. Zirconia content provides essential chemical durability.

Duty Rate — Canada → United States

14.8%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Certify zirconia content (>14%) to prove alkali resistance qualifying as AR-glass under industry standards

Provide end-use statements for construction applications to avoid classification as textile reinforcement

Ensure roving remains untwisted; twisting may shift to yarn subheadings