What material is the IC plastic packaging tube made of?

PVC: PVC is actually a vinyl polymer, and its material is a non-crystalline material. PVC materials are often added with stabilizers, lubricants, auxiliary processing agents, colorants, impact agents and other additives in actual use. It has non-flammability, high strength, resistance to climate change and excellent geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons. In addition, the term person vs computer in the game is abbreviated as PVC, and PVC figures are often referred to as PVC, etc.