... Fillers 2. Process: Pultrusion 3. Sizes: Custom fiberglass rods, fiberglass bar, fiber glass flat rod (FRP Rebar, Fiberglass Rebar, Composite Rebar ... Dimensional Stability8. Applicability under Wide Temperature Range Main application:This series of products can be used in aerospace, sports equipment , ... 9x3.822. Special Size: 6.35x3.175mm fiberglass rods, fiberglass bar, fiber glass flat rod