... cement plant, chemical industry, metallurgical industry, dense phase systems,air/fluid slides bulk cement tank trucks,ship and fixed cement ... coating. It is for block off the air flow. Characteristics: One side air permeable,other side PU-coated.Good abrasion resistance ... diameter on request.Standard lengths are 30m,50m,100m. air slide hose,dry fluids hose, good air transport,pneumatic conveyors