CPVC (CHLORINATED POLYVINYL CHLORIDE)

CPVC (CHLORINATED POLYVINYL CHLORIDE)

Material Information

CPVC belongs to the vinyl family of materials. Vinyls are typically used in pipes and fittings because they offer excellent corrosion and weather resistance, as well as having a high strength to weight ratio. They are also good electrical and thermal insulators. CPVC is produced when PVC undergoes chlorination. This gives CPVC many of the same properties as PVC but provides a higher heat distortion temperature. This makes it ideal for applications that have aggressive high temperature processing that also require the excellent corrosion resistance and mechanical properties of PVC. Overall, CPVC offers improved fire and chemical resistance, and is capable of being used for a wide variety of applications due to its ability to bend, shape, and weld. It is available in sheet, rod, and tubing.

Application

  • Corrosive resistant tanks and equipment
  • Nuts, bolts, fasteners
  • Pump and valve components
  • Fume scrubbers
  • Mechanical components
  • Chemical processing
  • Plating
  • Paper industry
  • Water and waste water treatment
  • Hot and cold water plumbing
  • Fire sprinkler piping

Properties

  • Excellent chemical resistance
  • Excellent retention of physical properties at higher temperatures
  • Weather resistant
  • High heat distortion temperature
  • Self extinguishing
  • Low flame and smoke characteristics
  • Weldable and Machinable

Physical

Astm Test Method

CPVC

Density (lb/in^3) D792 0.055
Specific Gravity D792 1.52
Water Absorption @ 24 hours (%) D570 0.04

Mechanical

Tensile Strength (PSI) D638 8,200
Tensile Modulus (PSI) D638 430,000
Tensile Elongation at Break (%) D638 27
Flexural Strength (PSI) D790 15,000
Flexural Modulus (PSI) D790 410,000
Compressive Strength (PSI) D695 -
Compressive Modulus (PSI) D695 -
Izod Impact (Notched), ft-lb/in D256 1.6
Rockwell Hardness D785 R121

Thermal

Coefficient of Thermal Expansion,
10^-5/°F
D696 3.7
Heat Deflection Temperature 264 psi, ºF D648 217
Melting Point, °F D3418 -
Continous Service Temp (Operating), °F - 200
Thermal Conductivity, BTU-in/hr-ft² °F F433 0.095
Flammability Rating UL94 VO

Electrical

Dielectric Strength, Short Term,
(Volts/Mil) @ .125″ Thick
D149 1250
Volume Resistivity (ohm/square) D257 3.4 x 10^15
Dielectric Constant at 60hz D150 3.7
Dissipation Factor at 60Hz D150 -

NOTE:

The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.