ASTM C1666

Full Name

ASTM C1666 – Standard Specification for Alkali Resistant (AR) Glass Fiber for GFRC and Fiber-Reinforced Concrete and Cement


This specification covers minimum requirements for alkali resistant (AR) glass fibers intended for use in glass fiber-reinforced concrete (GFRC) by spray-up, glass fiber-reinforced concrete premix, fiber-reinforced concrete, and other cementitious based products.


AR glass fibers; GFRC; glass fiber-reinforced concrete; glass fiber-reinforced concrete premix; SIC test; zirconi


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