Polyvinylchloride (PVC)
General:
Polyvinyl chloride, also known as polyvinylchloride or the corresponding PVC mark, is the vinyl chloride polymer. It is the most important polymer in the series obtained from vinyl monomers and is one of the world’s largest plastics consumer.
Pure, it is a rigid material; Its versatility applies to the possibility of being mixed even in high proportions with inorganic compounds and plasticizers, such as phthalic acid exteriors, which make it flexible and modelable. It is considered stable and safe in technological applications at room temperature, but extremely hazardous if burned or heated at high temperatures and in plants that are unsuitable for its treatment due to the presence of chlorine in the molecule, which may liberate itself as hydrochloric acid, such as dioxin or as Vinyl chloride monomer.
Technical features:
- High chemical resistance
- Higher hardness than polyolefins
- Easy machining both machine tools and hot welding or hot blade
- Gray – red – natural color
Defects:
- Compared to PP, it has lower temperature and impact resistance.
- The high specific weight reduces its economy.
- Its use is reduced in many countries for ecological reasons
Applications:
Mechanical: it is also used for mechanical parts in corrosive environments. Compared to polyolefinics, it has a higher traction resistance
Chemical: the greater use of PVC is in the chemical industry; For high acid and alkali resistance and for rigidity it is used for components in the galvanic and petrochemical industry for the construction of valves, flanges, gears, etc.
Food: it is not used in contact with food although there are products that are considered non-toxic in the label
Electrical: good dielectric characteristics, weather stability make it use in this area
See the file for technical specifications
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