Jiangsu PP Cap Wholesale - Price - Manufacturer: Jiangsu Jiayuan Pipe Valve Fitting Co., Ltd. Material: The PP cap is made of polypropylene (PP). Polypropylene is a thermoplastic material with excellent chemical resistance, heat resistance, electrical insulation, and good processing properties. Features: Corrosion Resistance: PP material exhibits excellent resistance to various chemicals, suitable for pipeline systems in corrosive environments. High-Temperature Resistance: PP material has a high heat resistance, allowing for use in certain high-temperature environments. Easy to Process: PP material is easy to process and shape, and can be made into various cap shapes through injection molding, extrusion, and other processes.