Proteus® High Density Polyethylene HDPE Black shapes are used in a variety of environments requiring excellent impact resistance, superior tensile strength, low moisture absorption, great chemical and corrosion resistance, and easy fabrication and welding capabilities. Due to these characteristics and properties, Proteus® HDPE Black are often a favored solution for use in chain guides, orthotic and prosthetic devices, tanks, thermoformed material handling devices, and water storage applications.