... Strengh:1100~1300Mpa 3.Packing:25kg/bag,40bags/plt Water-Solubility Steel Fiber:1.Diameter:0.75mm,Length:60mm2 ... test for the glue can soon been soluble in water, and make the row to pieces to save the ... see the change.4.The SteelFiber slowly dissolve in the water, till to pieces.5.Stir the Steel Fiber, you ... and make the Steel Fiber evenly distribute in the concrete reinforcement, make it much stronger!