1. The outer cover is made from a rubber compound that is higly resistant against weathering, UV and Ozone. 2. Wear indicator layers can be implemented in the dredge hoses which transport abrasive media. 3. A single foam floating layer prevents water absorption. The hose emergence above the water is not less than 20% of the total volume. 4. Custom flanges are available. 5. Bending angle: in working conditions, the bending angle is from 0°to +45°.Good quality materials make our hose steady performance. Production:Advanced technology and equipment to make the best quality chemical hose.Our factory has strong quality control team, we set up advanced laboratory. Before the mass production, we test each batch of raw material. After the production, we test each hose to guarantee a 100% qualification. Each hose tested at 2 times of working pressure. We do everything possible to supply good quality goods for our customer.After finishing the dredging hose production, we will pack the hose. In general, the packing will use woven bag and plastic film. Special packing is available according to customers’ requirements.