Then the 1980s brought about the use of synthetic fibers, a switch made due to high tensile strengths and durability of these new fibers. Local and state entities pay a premium price for polymer-modified asphalt cement (AC) designed to enhance performance with regards to rutting and crack resistance. FORTA has developed successful asphalt reinforcement solutions for needed applications all over the world. The mix of aramid and polyolefin fibers is designed to enhance your current mix design. For more information on our superior concrete fibers or to request fiber samples Please Contact Us 100 Forta Drive Grove City, PA 16127-6399 USA Phone: 724-458-5221 Toll Free: 800-245-0306 Fax: 724-458-8331 Email: info@fortacorp.com In the 1970s, due to health and environmental concerns associated with the use of asbestos fibers, researchers start to practice other types of fiber in asphalt concrete which are synthetic fibers such as polyester, polypropylene, and mineral fibers like slag wool and rock wool [30]. Various types of additives have been used in asphalt pavement industry to improve the performance. FORTA has become the leader in the research and development of synthetic fibers used in the construction industry. Among these additives, fibers have received increas… Today, many asphalt paving contractors choose FORTA-FI® for fiber reinforced asphalt installation: “FORTA-FI® is a high tensile strength synthetic fiber blend formulated to reinforce asphalt mixes in both new construction or rehab projects. Synthetic fibers are added to concrete before or during the mixing operation. The primary goal of this research is to compare the performance of polymer-modified asphalt mixes to non-polymer-modified aramid fiber-reinforced asphalt mixes for resurfacing applications to control rutting and cracking. WHAT are Synthetic Fibers? The polymer-modified AC is used in high-traffic areas that experience heavy traffic loads. asbestos fibers, researchers start to practice other types of fiber in asphalt concrete which are synthetic fibers such as polyester, polypropylene, and mineral fibers like slag wool and rock wool [30]. Synthetic fibers engineered for use in concrete can withstand the long-term alkaline environment of concrete. These fibers are manufactured polymer-based materials such as polypropylene, nylon, or polyethylene. Research that evaluates the effective use of aramid synthetic fibers in asphalt mixes on local roadways is needed. They’re typically made of nylon, polypropylene, polyethylene, polyester or acrylic, although other synthetic fibers are usable. Para-aramid is a unique polymer fiber with 400,000 psi tensile strength and micro-roots that tenaciously anchor themselves in the bitumen of the asphalt. These chemically-inert synthetic fibers mix quickly and distribute uniformly in all asphalt mixtures offering proven and measurable improvements to stability-related problems occurring in traditional asphalt pavements. FORTA offers synthetic fiber additive solutions to be used in Hot Mix Asphalt, Warm Mix Asphalt, and Hot/Cold Patch. 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