CPVC Schedule 80 Value Pipe Physical Properties

CPVC Schedule 80 Value Pipe Physical Properties*

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.

Article Title:
CPVC Schedule 80 Value Pipe Physical Properties
Article Summary:
Physical, Mechanical, Electrical and Thermal Typical Properties.
Article Date:
8/4/2009
Article ID:
832
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