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        High Performance Technical Information

PP Detailed Properties

(Polypropylene)

Polypropylene is available in several grades and  types.  The table below lists a generally accepted summary of properties that we believe to be reliable, however, for specific information on a particular grade, please contact us.   Determination of resin is dependent on the application and this table is only meant to serve as a general guideline.    

 

PP Properties ASTM UNIT PP

MECHANICAL PROPERTIES

Specific Gravity D792   0.905
Elongation   D638 % 10~20
Tensile Strength  D638 psi 4,800
Flexural Strength D790 psi 5,400
Compressive Strength D695   6,000
Tensile Elastic Modulas 
(Young's Modulas) 
D638 (10~5)psi 1.6
Flexural Modulas D790 (10~5)psi 1.7~2.5
Hardness Durometer  D785 Rockwell R 80~110
Impact Strength IZOD
73F/23C
D256 notched ft/lbs/in 0.5~2.2
THERMAL PROPERTIES
Melting Point   C
(F)
121
(250)
Upper Service
Temperature(20,000h)
  C
(F)
104
(220)
Flame Rating**   UL94 n.r.
Thermal Conductivity C117 10~4
cal/sec/cm2,C/cm
2.8
ELECTRICAL PROPERTIES
Dielectric Constant D150 1kHz 2.2~2.6
Dissipation Factor D150 1kHz 0.0005~0.0018
Dielectric Strength D149 125 v/mil. 475~660
Volume Resistivity   D257 ohm-cm
at 73
F, 50% RH
10~17
GENERAL PROPERTIES
Chemical/Solvent
Resistance
    Excellent
Water Absorption, 24h D570 % <0.03
Refractive Index      

Arc Resistivity
D495 sec 100~160

 

 
 

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Last modified: Monday January 03, 2005       

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