Tech Data

 

 

 Specific Gravity  1.35 to 1.45
 Tensite Strength  7.000 psi
 Tensite Modules of Elasticity  400.000 psi
 Comprehensive Strength  9.000 psi
 Impact Strength,Izod  0.65 ft.lb./inch notch
 Deflection Temp. Under load  158(264 psi)0 F
 Water Absorption in 24 hrs.  Less than 4 mg /cm2 ( 0.10%)
 Flammability  will not support combustion : self -extinguishing
 Softening Point (Vicat)  1760  F (800 c)
 Heat distortion temperature at  750 C (at 18.5 kg /cm2)
 specific heat  0.25 cal/0 C
 Co efficient of heat conductivity  0.14 K cal/kg/0C
 Thermal conductivity  4 x104  cal/hr/cm2 / 0C/cm
 Co efficient of linear expansion  5 to 8.5 x 10-5   mm/0C
 Expansion on 6mtrs. Length(approx)  3.2mm/100 C
 Elongation at Break  More than 80%
 Modules of rigidity  1.12 x 10 kgf/cm2
 Modules of elasticity  2600 3000 m/mm2
 Ultimate tensile strength  44 55 n/mm2
 Maximum bending stress  21 kg/cm2
 Flexural strength  650 700 kgf/cm2
 Impact Strength 200C
                           0C
 1.0 2.0 ft ib/inch of notch 
 0.5 1.0 ft ib/inch of notch
 Comprehensive strength  600 700 kgf/cm2
 Dielectric Strength  40kv/mm : Non conductor.
 Should not be used for earthling purpose
 Volume Resistivity  10-5 Ohm/mm
 Hazen Williams coefficient  135 150.Remains unchanged with use unlike G.I   
 pipes
 Colebrook coefficient  0.00001
 Youngs modules  4.0 x 10 ib/in2
 Safe stress at 230 C  80 kgf/cm2
 Co efficient of thermal expansion  5 x 105 per 0C
 Burning Rate  Self extinguishing
 B D V  18 kv/mm
 Weathering  Excellent
 Abrasion resistance  Good
 Ageing  Good
 Power factor at 800 c/sec.  0.02
 Dielectric constant  3- 3.3
 Hardness  80 Shore D
 Maximum operating Temp.
 (Under Pressure)
 60 0C
 Electrical Resistance  Greater than 1014 Ohm .cm
 Heat Resistance at continuous Drainage  66 0C
 Support Combustion  No. self extinguishing

 

 

 

 

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