1. Soft PVc contains softener, which is easy to become brittle and inconvenient to store. Therefore, soft PVC is not used in important places, but generally used in the surface of floors and ceilings.

2. Hard PVC is also called UPVC, or PVC-U product. It does not contain softener, so it is flexible, easy to form, not easy to become brittle, and has a long storage time. Therefore, it is often used to manufacture pipes, flame retardant cables, electrical flame retardant switches, sockets, plastic steel, bumpers, etc.