PVC can be divided into flexible PVC and rigid PVC. Rigid PVC accounts for approximately two-thirds of the market, while flexible PVC accounts for one-third.
Flexible PVC is generally used for flooring, ceilings, and the surface layer of leather. However, because flexible PVC contains plasticizers (which is the difference between flexible and rigid PVC), its physical properties are relatively poor (for example, flexible PVC is unsuitable for water pipes that need to withstand certain water pressure), thus limiting its applications.
Rigid PVC does not contain plasticizers, making it easy to mold and possessing excellent physical properties, thus having significant development and application value. During the production of PVC materials, several additives are inevitably added, such as stabilizers and plasticizers. If all environmentally friendly additives were used, PVC pipes would also be non-toxic, odorless, and environmentally friendly products.
