Polyvinyl chloride, thermoplastic. It is formed by polymerization of vinyl chloride. Long carbon chains form a linear plastic structure. PVC through various types of additives can be modified, to obtain a material, for example, with different hardness. The main PVC additives are:
After mixing the above. PVC components and blended dry blend (extruded) blast furnace extruder, we obtain granules that undergo a high temperature take on liquid form and are injected into the mold to take shape.
PVC is a plastic that can be oil or acid resistant thanks to suitable additives. This is the material that is the cheapest plastic used in footwear. It is also suitable for recycling as it can be recycled, melt and injected after being crushed.