... Packing:25kg/bag,40bags(1000kgs)/plt4.Usage: widely ued in buildings ,bridges ,thin roo engineering ,highway etc. ... and save money!1. Put several Steel Fiber in row into the cup.2. Injecte water into ... cup, see the change.4.The SteelFiber slowly dissolve in the water, till to pieces.5.Stir the ... use, and make the Steel Fiber evenly distribute in the concrete reinforcement, make it much stronger! Water ...