Product material: The inner rubber adopts polyurethane, butyl rubber, natural rubber and synthetic rubber as the main raw materials, and special reinforcement is added. Color: yellow or black. It has the characteristics of high wear resistance, high toughness and high pressure resistance, Product features: The wear resistance index is 2-3 times that of ordinary sandblast hose. Uses: Mainly used in various tunnel projects, wells, caverns, slope protection and anchor spraying, and has a wide range of applications in hydropower, mining, military defense and other fields.