... sand blast rubber hose; rubber hose for waterway desilting, cementing pump truck, concrete, grout, sediment, coal injection truck, bulk cement truck, sandblast ... materialsQuartz sand, steel shot, sediment, ball bearing, cement powder, cement concrete, dry powder mortar, coal fines, carbon powder, and mineral powder ... /2,4,5,6,7,8,10,12,18 ect. Concrete pump rubber hose