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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.


  • 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


  • 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


PhysicalAstm Test MethodCPVC
Density (lb/in^3)D7920.055
Specific GravityD7921.52
Water Absorption @ 24 hours (%)D5700.04
Tensile Strength (PSI)D6388,200
Tensile Modulus (PSI)D638430,000
Tensile Elongation at Break (%)D63827
Flexural Strength (PSI)D79015,000
Flexural Modulus (PSI)D790410,000
Compressive Strength (PSI)D695
Compressive Modulus (PSI)D695
Izod Impact (Notched), ft-lb/inD2561.6
Rockwell HardnessD785R121
Coefficient of Thermal Expansion,
Heat Deflection Temperature 264 psi, ºFD648217
Melting Point, °FD3418
Continous Service Temp (Operating), °F200
Thermal Conductivity, BTU-in/hr-ft² °FF4330.095
Flammability RatingUL94VO
Dielectric Strength, Short Term,
(Volts/Mil) @ .125″ Thick
Volume Resistivity (ohm/square)D2573.4 x 10^15
Dielectric Constant at 60hzD1503.7
Dissipation Factor at 60HzD150

Disclosure: 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.


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