Proteus® Homopolymer PP Black shapes are characterized by their high strength-to-weight ratio, excellent chemical and corrosion resistance capabilities, thermoforming performance, and zero moisture absorptionThis grade of polypropylene is ideal for chemical processing, food processing, storage, and medical applications. For their performance and compliance, Proteus® Homopolymer PP Natural components are often favored in orthotic and prosthetic devices, pump components, storage tanks, and valve bodies.