Why AR Glass Fiber?
A. AR Glass Rich Fibers are resistant to the alkaline environment produced in the production of concrete. The Tensile Strength of AR Glass Rich Fiber is three to five times greater than that of polypropylene reinforcement fibers. AR Glass Rich Fibers have a specific gravity of 2.68. This places AR Glass Rich fiber between the aggregate (2.6 – 2.9) and the cement (3.15) to ensure a proper dispersion of the fiber that creates a network that bonds the materials together, rather than sinking to the bottom, or simply floating on the top. This is why AR Glass Rich Fiber provides a greater tensile strength, modulus of elasticity, and fiber content then both nylon fibers (1.14) and polypropylene (0.91).