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CPVC pipe is produced from a specialty blend of chlorinated polyvinyl chloride material with unique physical properties desirable for piping applications (i.e., improved impact resistance and good fire resistance capabilities). Pipe-grade CPVC product line includes schedules 40 and 80 piping from 1/4″ through 24″ diameters. CPVC piping systems can handle more than three-fourths of the temperature/pressure requirements of today’s typical process plants. CPVC pressure pipe has an upper working temperature limit of 200° F (93° C), or approximately 60° F (15° C) above that of Type I Grade I PVC. As with all thermoplastic piping systems, CPVC’s ability to withstand pressure varies with pipe diameter, wall thickness, and temperature. As the pipe diameter and temperature increases, the pressure rating of the product decreases. For example, 1/2″ Schedule 80 CPVC pipe is engineered for continuous service of 850 psi @ 73°F (23°C). The same pipe in service @ 180°F (82°C) carries a maximum working pressure rating of 210 psi at this temperature. 6″ Schedule 80 CPVC pipe is designed for 270 psi @ 73°F, and 54 psi @ 200°F.

Since the chemical properties of resins may vary according to the amount of chlorination and the types and quantity of additives, contact an Emco Industrial Plastics representative before designing material handling systems using CPVC.

Brand Names

  • Harvel®

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

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At a Glance

Generic Name
Chlorinated Polyvinyl Chloride

Available In
Schedule 40, Schedule 80, Fittings: Tees, Elbows, Flanges, Couplers, Plugs, Caps, Bushings, Crosses, Unions

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Schedule 40 1/4″ – 24″ DIA 20’ lengths, CTS Natural, Black
Shedule 80 1/4″ – 24″ DIA 20’ lengths, CTS

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Density lb/in3 D792 1.55 g/
Water Absorption, 24 hrs % D570 0.03
Mechanical PropertiesUnitsASTMResults
Tensile Strength @yield psi D638 8000
Tensile Modulus psi D638 360000
Flexural Strength psi D790 15100
Flexural Modulus psi D790 415000
Compressive Strength psi D695 10000
Compressive Modulus psi D695 196000
Hardness, Rockwell R D785 119
IZOD Impact Strength Notched ft-lb/in D256 1.5
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion (x 10-5 in./in./°F) D696 3.4 x105
Melting Temperature °F D3418 295
Flammability Rating UL94 V – O
Electrical PropertiesUnitsASTMResults
Dielectric Strength, 1/8″ th. V/mil D149 1250
Dielectric Constant @60HZ D150 3.7 @30° F
Volume Resistivity ohm-cm D257 3.4 x 1015

NOTE: The property values presented above 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.


  • Welded Tanks, liners
  • Valves, fittings, and piping systems
  • Ducts
  • Pumps


  • High impact strength
  • Dimensionally stabile
  • Easily machined using standard metal working tools
  • Corrosion resistant
  • Easily cemented and welded
  • Lightweight
  • Excellent electrical properties
  • Excellent fire rating
  • Good chemical resistance


  • CPVC
  • Fire Retardant
  • Pipe Grade
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