... as reinforce layer; thus having good flexibility and loading-bearing capacity.Outer layer: Using natural rubber and ... blast rubber hose; rubber hose for waterway desilting, cementing pump truck, concrete, grout, sediment, coal injection truck, ... coal fines, carbon powder, and mineral powder.Concrete Pump Rubber Hose inside diameterreforce diameterouter diameterworking pressureburst pressuremin.bend ...