| Mechanical Properties |
Unit |
CPVC |
Remarks |
ASTM Standards |
| Specific gravity |
g/cm3 |
1.55 ± .02 |
|
D 792 |
| Tensile strength @ 73°F |
psi |
8,000 |
Same in circumferential direction |
D 638 |
| Modulus of elasticity tensile @ 73°F |
psi |
360,000 |
Ratio of stress on bent sample at failure |
D 638 |
| Compressive strength @ 73°F |
psi |
10,100 |
|
D 695 |
| Flexural Strength @ 73°F |
psi |
15,100 |
Tensile stress/strain on bent sample at failure |
D 638 |
| Izod impact @ 73°F |
Ft-lb/in of notch |
1.5 |
Impact resistance of a notched sample to a sharp blow |
D 256 |
| Relative hardness @ 73°F |
Durometer D
Rockwell R |
-
119 |
Equivalent to aluminum |
D 2240
D 785 |
| Thermodynamics Properties |
|
|
|
|
| Coefficient of thermal linear expansion per °F |
in/in/°F |
3.4 X 10-5 |
|
D 696 |
| Thermal conductivity |
BTU/hr/ft2/F/in |
0.95 |
Average specific heat 0-100°C |
C 177 |
| Specific heat |
Cal/g/°C |
n/a |
|
|
| Maximum Operating Temperature |
°F |
210 |
Pressure rating is directly related to temp |
|
| Heat distortion temperature @ 264 psi |
°F |
217 |
Thermal vibration and softening occurs |
D 648 |
| Decomposition Point |
°F |
400+ |
Scorching by carbonization and Dehydrochloration |
|
| Flammability Properties |
|
|
|
|
| Average time of burning |
sec. |
<5 |
|
D 635 |
| Average extent of burning |
mm |
<10 |
|
|
| Flame spread index |
|
<10 |
|
E 162 |
| Flame spread |
|
4-18 |
|
E 84 |
| Flash ignition |
°F |
900 |
|
D 1929 |
| Smoke Developed* |
|
285 |
|
|
| Flammability (.062”) |
|
V-O, 5VB, 5VA |
|
UL-94 |
| Softening starts, approx. |
°F |
295 |
|
|
| Material becomes viscous |
°F |
395 |
|
|
| Material Carbonizes |
°F |
450 |
|
|
| Limiting oxygen index (LOI) |
Vol.% |
60 |
|
|
| Other Properties |
|
|
|
|
| Water Absorption |
% |
+0.03 @73°F
+0.55 @ 212°F |
Weight gain in 24 hours |
D 570 |
| Poisson’s Ratio @ 73°F |
|
0.27 |
|
|
| ASTM Cell Classification |
|
23447-B |
|
D 1784 |
| Industry standard color |
|
medium grey |
|
|
| NSF potable water approved |
|
yes |
|
|
* Note: This data is based on information supplied by the raw materials manufacturers. It should be used as a general recommendation only and not as a guarantee of performance or longevity. The determination of the suitability of any material for a specific application is the responsibility of the end user.
Title: CPVC Schedule 80 Value Pipe Physical Properties
Description: Physical, Mechanical, Electrical and Thermal Typical Properties.
Published: 8/4/2009
Last Edited: 12/29/2022
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