Polyvinyl Chloride – PVC

Polyvinyl Chloride – PVC

Polyvinyl chloride, or PVC, is a universal polymer with many applications (pipes, floor coverings, cable insulation, bottles, packaging foils, medical products, etc.).

The reason for the widespread use of this polymer is its low cost, suitable physical and chemical properties, and good resistance to environmental conditions. In the following, we will discuss the properties, structure, production method, burning, applications, and other things about this polymer.

Polyvinyl Chloride - PVC


What is polyvinyl chloride?

Polyvinyl chloride, or PVC, is a thermoplastic polymer with strength, stiffness, and good resistance to corrosion and chemicals. This product is initially produced as a white powder, and additional processes are performed based on the type of use expected from it. For example, in cases where flexibility is needed, a plasticizer should be added to it. It is a fragile white compound produced in two complex and flexible types during production in its pure state and without additives. This substance is a combination of crude oil derivatives and chlorine gas produced during the polymerization process.



Properties of polyvinyl chloride

The following table shows some of the physical and chemical properties of this product:

Name of the material

Polyvinyl chloride

Molecular formulan (C2H3Cl)
Ayupak’s namepoly(1-chloroethylene)
Molar mass(62/498).n  g/mol
Appearance

white powder

Melting point100 to 260 °C
density

1.45-1.35 grams per cubic centimeter

 

Types of polyvinyl chloride

They are three main types of polyvinyl chloride:

  1. UPVC (Un Plasticized Poly Vinyl Chloride)
  2. PPVC (Plasticized Poly Vinyl Chloride)
  3. OPVC (Oriented Poly Vinyl Chloride)


UPVC (Un Plasticized Poly Vinyl Chloride)

This material is a type of modern thermoplastic (heated plastic), one of the main derivatives of crude oil and table salt. Its physical properties are different from PVC, and it is made into a profile in the production process. This combination has many applications in construction for making pipes, fittings, door and window profiles, etc. The ingredients of UPVC include the following.



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Polyvinyl Chloride - PVC


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