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Polyvinyl chloride (PVC)

Polyvinyl chloride (PVC)

Polyvinyl chloride (PVC) is a widely used synthetic plastic polymer. It comes in two main forms: rigid (uPVC) and flexible (fPVC), each with its own set of properties and applications. Here’s a comprehensive overview:

Key Properties
  • Chemical Resistance: PVC is resistant to a variety of chemicals, including acids and alkalis. This makes it suitable for use in pipes and chemical containers.
  • Durability: It is resistant to weathering, aging, and corrosion, which contributes to its longevity in outdoor and harsh environments.
  • Versatility: PVC can be formulated to be either rigid or flexible, depending on the application. Rigid PVC (uPVC) is hard and strong, while flexible PVC (fPVC) is softer and more pliable.
  • Low Cost: PVC is relatively inexpensive to produce, which makes it an attractive option for a wide range of applications.
  • Fire Resistance: PVC is inherently fire-resistant due to its chlorine content, though it can still emit toxic gases if burned.
Applications Rigid PVC (uPVC)
  • Construction: Used in window frames, doors, and siding due to its strength, weather resistance, and low maintenance.
  • Piping: Commonly used in plumbing and drainage pipes, as well as in some electrical conduit applications.
  • Profiles and Trim: Employed in various profiles and trim products, including architectural moldings and skirting boards.
Flexible PVC (fPVC)
  • Plumbing: Used in flexible hoses and tubing.
  • Electrical Insulation: Commonly used as insulation for electrical cables and wires.
  • Flooring: Found in vinyl flooring and tiles due to its durability and ease of cleaning.
  • Medical: Utilized in medical tubing, blood bags, and other healthcare applications because it can be made sterile

PVC GRADES WITH APPLICATIONS

PVC K VALUE APPLICATION
57S 57 "57S is designed to give an easy processing product for rigid applications since it has low melt viscosity. The main applications are: Injection molding: pipe fittings, rigid PVC parts"
67S 67 main applications are: Rigid pipes (pressure and non-pressure), Corrugated tubes and conduits, Rigid profiles
70S 70 Wire insulation and cable jacketing , Flexible films and sheets , Flexible profiles , Hoses