parker ptfe and fep tubing

 fluoropolymer tubing information thv  

 

 

PVDF Detailed Properties
 (Polyvinylidene fluoride)

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.    
 
Properties ASTM or Unit PVDF

MECHANICAL PROPERTIES

Specific Gravity D792 1.77
Elongation% D638 300~450
Tensile Strength (psi) D6384500-6200
Flexural Strength (psi) D790 8600-9500
Compressive Strength D695 11,600
Tensile Elastic Modulus 
(Young's Modulus) (psi)
D638 160,000
Flexural Modulus
(psi)
D790 90,000~168,000
Flex Life
(MIT cycles)
D2176 n.a
Hardness Durometer Shore D D636 D75~85
Coefficient of Friction
 on steel
D1984 0.4
Abrasion Resistance
1000 revs.
Taber 5~15
Impact Strength IZOD
73°F/23°C, notched ft/lbs/in
D256 4

THERMAL PROPERTIES

Melting Point °C
(°F)
171
(340)
Upper Service
Temperature(20,000h)
°C
(°F)
129
(264)
Flame Rating** UL 94 V-0
Thermal Conductivity BTU/hr/ft2/deg F in 1.3
cal/sec/cm2,ºC/cm 3.0x10-4
Linear Coefficient of Thermal Expansion D696 4.2
10-5 °C
Heat of Fusion BTU/LB n.a
Heat of Combustion BTU/LB n.a
Low Temperature Embrittlement °C
(°F)
-62
(-80)

ELECTRICAL PROPERTIES

Dielectric Constant D150/103Hz 7.72
D150/106Hz 6.43
Dielectric Strength
10 mil film
D149 >1080
Volume Resistivity
ohm-cm
D257 2 x 1014
Surface Resistivity
ohm/sq.
D2575 x 1014

GENERAL PROPERTIES

Chemical/Solvent
Resistance
D543 Very Good
Water Absorption, 24h,% D570 <0.04
Refractive Index   1.42
Limiting Oxygen Index % D2863 43
Properties ASTM or Unit PVDF