New ASTM standard covers alkali-resistant glass fibers

ASTM International Committee C27 on Precast Concrete Products has recently developed an official standard that clearly defines what is required to make glass fibers resistant to alkali attack without the need for protective coatings.

C 1666/C 1666M, Specification for Alkali-Resistant Glass Fiber for GFRC and Fiber-Reinforced Concrete and Cement, is under the jurisdiction of Subcommittee C27.40 on Glass Fiber Reinforced Concrete Made by the Spray-Up Process.

AR glass fibers are used in glass-fiber reinforced concrete, fiber-reinforced concrete and other cementitious products where alkali attack is of concern. All parties interested in AR glass fibers are invited to join in the standards developing activities of Subcommittee C27.40.

(610) 832-9585
www.astm.org

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Concrete Decor, Vol. 7, No. 6
September/October 2007

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