Yes Pp05 is a kind of polypropylene plastic, where Pp refers to the English code and 05 is the code of the material. Polypropylene is non-toxic, odorless, low density, superior to low-pressure polyethylene in strength, stiffness and hardness, and can be used at around 100℃. Good dielectric properties, high-frequency insulation, not affected by humidity, but brittle at low temperature, not wear-resistant, easy to age.