1.5lbs is the perfect size for your small projects and pre-measured to the exact amount of fiber to go into one of our 50lb Pre-blended GFRC bag mixes
- 1/2"(13mm) or 3/4"(19mm) AR Glass Fiber
- Alkali Resistant (AR) Glass Fibers
- Contains minimum of 19% Zirconia
- 18 Microns filament diameter
- 200 Filaments per strand
- Increase Tensile Strength (three times higher than steel)
- High young's modulus
- Small fiber diameter- more individual fibers per pound