Polyvinyl Chloride (PVC)

A versatile thermoplastic polymer known for its durability, chemical resistance, and cost-effectiveness in various applications

PVC Structure

Key Properties

Physical Properties

  • Density: 1.38-1.45 g/cm³
  • Melting Point: 100-260°C
  • Tensile Strength: 40-80 MPa
  • Elongation at Break: 10-300%

Chemical Properties

  • Chemical Resistance: Excellent
  • Water Absorption: Very Low
  • Solvent Resistance: Good
  • Fire Resistance: Self-extinguishing

PVC Variants

Suspension PVC (S-PVC)

PVC produced through suspension polymerization, resulting in a granular form with excellent processing characteristics.

Processing Methods: Extrusion, injection molding
Properties: Strong, durable, weather-resistant
Applications: Pipes, window profiles, siding, sheets, credit cards

Rigid PVC (uPVC)

Strong, durable PVC without plasticizers, known for its excellent weather resistance and structural integrity.

Processing Methods: Extrusion, injection molding
Properties: Strong, durable, weather-resistant
Applications: Pipes, window profiles, siding, sheets, credit cards

Flexible PVC

PVC with plasticizers for enhanced flexibility and elasticity, suitable for applications requiring bendability.

Processing Methods: Extrusion, calendaring, injection molding
Properties: Flexibility , chemical resistance, electrical insulation
Applications: Cables, hoses, flooring, synthetic leather, upholstery.

Chlorinated PVC (CPVC)

Chemically modified PVC with enhanced heat resistance and improved chemical compatibility through chlorination.

Processing Methods: Extrusion, blow molding
Properties: Chemically modified with higher chlorine content for superior heat and corrosion resistance
Applications: Hot water pipes, fittings, industrial chemical systems

High-Impact PVC (HI-PVC / PVC-M)

Impact-modified PVC with elastomeric additives to improve toughness and impact strength for demanding applications.

Processing Methods: Extrusion, injection molding
Properties: Impact-modified PVC with elastomeric additives to improve toughness and impact strength
Applications: Pressure pipes, exterior panels, weatherable products

Emulsion PVC (E-PVC or Paste PVC)

PVC produced through emulsion polymerization, offering unique properties suitable for specialized applications.

Processing Methods: Extrusion, injection molding, calendering
Properties: Higher heat resistance, flame retardance
Applications: Synthetic leather, flooring, gloves, automotive sealants

PVC Variants Synopsis

Grade / TypeProcessing MethodsKey PropertiesTypical Applications
Suspension PVC (S-PVC)Extrusion, Injection moldingStrong, durable, weather-resistantPipes, window profiles, siding, sheets, credit cards
Rigid PVC (uPVC)Extrusion, Injection moldingStrong, durable, weather-resistantPipes, window profiles, siding, sheets, credit cards
Flexible PVCExtrusion, Calendering, Injection moldingFlexibility (due to plasticizers), chemical resistance, electrical insulationCables, hoses, flooring, synthetic leather, upholstery, medical tubing, IV bags
Chlorinated PVC (CPVC)Extrusion, Blow moldingChemically modified with higher chlorine content for superior heat and corrosion resistanceHot water pipes, fittings, industrial chemical systems
High-Impact PVC (HI-PVC / PVC-M)Extrusion, Injection moldingImpact-modified PVC with elastomeric additives to improve toughness and impact strengthPressure pipes, exterior panels, weatherable products
Emulsion PVC (E-PVC or Paste PVC)Extrusion, Injection molding, CalenderingHigher heat resistance, flame retardanceSynthetic leather, flooring, gloves, automotive sealants
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