Forton VF-774 is an all acrylic, co-polymer dispersion (51% solids) specifically formulated for the GFRC production process. VF-774 is UV stable. It is further formulated to be stable and durable in the high pH Portland cement-based GFRC composite. Forton® VF-774 is the world-wide standard concrete additive for making lightweight GFRC, Glass Fiber Reinforced Concrete, panels. It is recognized by the PCI as the only polymer supported with a 20 year durability study.