3M™ Engineer Grade Prismatic Reflective Sheeting Series 3430 meets ASTM D4956 Type I and is a non-metalized, microprismatic lens reflective sheeting designed for production of non-critical traffic control signs, work zone devices and delineators that are exposed vertically in service.
3M innovation brings the prismatic retroreflective optics technology to Engineer Grade level where the need for good performance meets economy.