Wire & Cable Technical Resources 

        High Performance Technical Information

ECTFE Detailed Properties

(Ethylene Chloro-trifluoroethylene)

The table below lists a generally accepted summary of properties that we believe to be reliable.   Please note that many of these resins are produced in several varieties and property characteristics may vary.  Therefore, determination of resin is dependent on the application and this table is only meant to serve as a general guideline.    

 

ECTFE Properties ASTM UNIT ECTFE

MECHANICAL PROPERTIES

Specific Gravity D792   1.68
Elongation   D638 % 200~300
Tensile Strength  D638 psi

6,000~7,000

Flexural Strength   psi 6,800
Compressive Strength D695   1,276~1,711
Tensile Elastic Modulas 
(Young's Modulas) 
D638 psi 240,000

Flexural Modulas
D790 psi 240,000
D790 103MPa (103kgf/cm2) 1.4-1.8 (14-18)
Flex Life D2176 (MIT cycles) n.a
Hardness Durometer  D636 Shore D 75
Coefficient of Friction   D1984 Static 0.08
Abrasion Resistance Taber 1000 revs. 0.005
Impact Strength IZOD
73F/23C
D256 notched ft/lbs/in 2.5~2.7
THERMAL PROPERTIES
Melting Point   C
(F)
240
(464)
Upper Service
Temperature(20,000h)
  C
(F)
150-170
(300-340)
Flame Rating**   UL94 VO

Thermal Conductivity
  BTU/hr/sq ft/deg F in n.a
C117 cal/sec/cm2,C/cm 4.7~5.3 x 10-4
Heat of Fusion   BTU/LB
 cal/g
n.a
n.a
Heat of Combustion   BTU/LB
 cal/g
n.a
n.a
Low Temperature Embrittlement   C
(F)
-76
-105
ELECTRICAL PROPERTIES
Dielectric Constant   D150/103Hz 2.5
  D150/106Hz 2.4
Dissipation Factor   D150/103Hz n.a
  D150/106Hz n.a
Dielectric Strength   125MILV.
10MILV.
n.a
Volume Resistivity   D257 ohm-cm >1016
Surface Resistivity   ohm/sq. n.a
GENERAL PROPERTIES
Chemical/Solvent
Resistance
    Excellent
Water Absorption, 24h   % Less than 0.1%
Refractive Index     n.a

Arc Resistivity
  % n.a
D495 sec 135