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Materials


Material Properties and Performance of 3P UPVC and 3P CPVC

The following are the main physical and thermal properties of UPVC and CPVC materials:

General PropertiesUPVCUNITSCPVC
MATERIAL UPVC UNITS CPVC
Specific Gravity 1.42 g/m3 1.55
Water Absorption <4.0 mg/cm° <4.0
Flammability Will not support combustion    
Specific Heat 0.25 Cal/g°c 0.29
Softening Point >80°c Centigrade >93°c


Thermal Properties
MATERIAL UPVC UNITS CPVC
Thermal Conductivity 0.13 Kcal/mh°c .14
Coefficient of linear Expansion 2.9 x 10-3 ln/in/°F 3.4x10-5
Tensile Strength 7000 Psi 8000
Compressive Strength 9600 CPsi 10000
Ffexural Strength 950 Kgf/cm2 1020
Izod Impact 140° Ft.lbs/in 1.5


Electrical Properties
MATERIAL UPVC UNITS CPVC
Modulus of Elasticity in tension 400,000 Psi 360,000
Volume of Resistivity Power 1014 Ohm/cm 1015
Factor at 60 Cycle Max. 1.255 % 0.007
Service Temp. 140° F 210°

Note:
UPVC and CPVC pipes are a non conductor of electricity and also non subject galvanic of electrolytic attack.
Electrical equipments should not be earthen to UPVC and CPVC pipes.
UPVC and CPVC pipes should not be used for compressed air or gas.
UPVC and CPVC pipes are intended to use for water and approved chemicals only.


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