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CHLORINATED POLYVINYL CHLORIDE (CPVC) PROPERTIES
CPVC shares most of the features and properties of its close relative, PVC. It is also readily workable, including machining, welding and forming. Because of its excellent corrosion resistance at elevated temperatures, CPVC is ideally suited for self-supporting constructions where temperatures up to 200°F (93°C) are present. The ability to bend, shape and weld CPVC enables its use in a wide variety of process applications including tanks, scrubbers and ventilation systems. It exhibits excellent fire resistance and chemical resistance. |
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| TYPICAL PROPERTIES OF CPVC |
| PHYSICAL |
| ASTM or UL test |
Property |
CPVC |
| D792 |
Density (lb/in3)
(g/cm3) |
0.0553
1.523 |
| D570 |
Water Absorption, 24 hrs (%) |
0.04 |
| MECHANICAL |
| D638 |
Tensile Strength (psi) |
8,200 |
| D638 |
Tensile Modulus (psi) |
430,000 |
| D638 |
Tensile Elongation at Break (%) |
27 |
| D790 |
Flexural Strength (psi) |
15,000 |
| D790 |
Flexural Modulus (psi) |
410,000 |
| D785 |
Hardness |
121 (Rockwell R) |
| D256 |
IZOD Notched Impact (ft-lb/in) |
1.6 |
| THERMAL |
| D696 |
Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F) |
3.7 |
| D648 |
Heat Deflection Temp (°F/°C) at 264 psi |
217/103 |
| D3418 |
Melting Temp (°F/°C) |
n.a. |
| - |
Max Operating Temp (°F/°C) |
200/93 |
| C177 |
Thermal Conductivity
(BTU-in/ft2-hr-°F)
(x 10-4 cal/cm-sec-°C) |
0.953
3.33 |
| UL94 |
Flammability Rating |
V-O |
| ELECTRICAL |
| D149 |
Dielectric Strength (V/mil) short time, 1/8” thick |
1250 |
| D150 |
Dielectric Constant at 60 Hz |
3.7 |
| D150 |
Dissipation Factor at 60 Hz |
- |
| D257 |
Volume Resistivity (ohm-cm) at 50% RH |
3.4 x 1015 |
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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.
All values a 73°F (23°C) unless otherwise noted.
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