Chlorinated Polyvinyl Chloride - CPVC Chlorinated PVC

Polymer Type

Thermoplastic

Advantages

Service temperature of 90°C (190°F), accompanied by self-extinguishing properties. Reasonable weathering performance.

Disadvantages

More difficult to process than UPVC or Plasticised PVC.

Typical Properties

Property

Value

Density (g/cm3)

1.52

Surface Hardness

RR120

Tensile Strength (MPa)

58

Flexural Modulus (GPa)

3.1

Notched Izod (kJ/m)

0.06

Linear Expansion  (/°C x 10-5)

7

Elongation at Break (%)

30

Strain at Yield (%)

5

Max. Operating Temp. (°C)

90

Water Absorption (%)

0.1

Oxygen Index (%)

50

Flammability UL94

V0

Volume Resistivity (log ohm.cm)

14

Dielectric Strength (MV/m)

14

Dissipation Factor 1kHz

0.025

Dielectric Constant  1kHz

3.1

HDT @ 0.45 MPa (°C)

110

HDT @ 1.80 MPa (°C)

105

Material. Drying  hrs @ (°C)

2 @ 75

Melting Temp. Range (°C)

220 - 240

Mould Shrinkage (%)

0.5

Mould Temp. Range (°C)

40 -  70

Applications

Hot water piping.

 

Source : Abstracted from Plascams

For more information on Plascams please visit The Rubber and Plastics Research Association

 

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