... weight trough (2)Flexible under cold weather (3)Corrosion,oxidation,impact resistant (4)Eco-friendly Rubber trough with handle ... technology and technology formula. Raw material is composed of rubber and plastic(LDPE), including mixing, refining, extrusing, ... blackNo ***** Advantages: (1) Light weight (2) Weatherable, flexible under cold weather (3) Non-deformation, corrosion resistant, oxidation- ...