parker ptfe and fep tubing

 fluoropolymer tubing information thv  

 

 

 
 

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.   There are 2 tables on this page.  

Table 1

Table 2

PTFE FEP PFA ETFE ECTFE

PVDF MFA THV PEEK ULTEM

 

(If you would like to view the properties of a particular resin click on the hyperlink in the chart below)

Table 1
Property Comparison of Fluoroplastic/Fluoropolymer Resins

Properties ASTM
or Unit
PTFE FEP PFA ETFE ECTFE
MECHANICAL PROPERTIES
Specific GravityD792 2.13-2.202.12-2.17 2.12-2.171.70-1.76 1.68
Elongation % D638200-450 250-330280-400 420-460200-300
Tensile Strength (psi)D638 2000-45002800-5000 4000-4500 6100-6800

6600-7800

Flexural Strength (psi) D790no break no breakno break 55007000
Compressive Strength (psi)

D695

35002200  2500 1276-1711
Tensile Elastic Modulus 
(Young's Modulus) (psi)
D63857,000 50,00072,500-87,000 85000-
95000
240,000
Flexural Modulus (psi)D790 71,000-
85,000
78,000-
92,000
94,000-
99,000
128,000-
171,000
240,000
Flexural Modulus
103MPa (103kgf/cm2)
D7900.5-0.6
(5.0-6.0)
0.5-0.6
(5.5-6.5)
0.6-0.7
(6.6-7.0)
0.9-1.4
(9.0-14.0)
1.4-1.8
(14-18)
Flex Life
(MIT cycles)
D2176>1,000,000 5,000-
80,000
10,000-
500,000
10,000-
27,000
na
Hardness Durometer Shore DD636 50-655555-60 7575-90
Coefficient of Friction  (on steel)0.020.05 0.20.060.19
Abrasion Resistance
1000 revs.
Taber 1214-209-17 na0.005
Impact Strength IZOD
73°F/23°C notched ft/lbs/in
D2563no break no breakno breakno break
THERMAL PROPERTIES
Melting Point °C
(°F)
327
(621)
260
(500)
305
582)
267
(512)
240
(464)
Upper Service
Temperature(20000h)
°C
(°F)
260
(500)
204
(400)
260
(500)
176
(348)
150-170
(300-340)
Flammability UL 94V-0V-0 V-0V-0V-0
Thermal Conductivity
BTU/hr/sq ft/deg F in
  1.71.41.3 1.651.6
Thermal Conductivity
Cal-cm/s-cm2, ºC
 6 x 10-4 6 x 10-46 x 10-65.7 x 10-4 4.7-5.3 x 10-4
Linear Coefficient of
Thermal Expansion
D696
10-5 ºC
>11.68.3-10.513 13na
Heat of Fusion BTU/LB29-3711 1320 na
Heat of CombustionBTU/LB 22002200 23008100 na
Low Temperature Embrittlement °C
(°F)
-268
-450
-268
-450
-268
-450
-100
-148
-76
-105
ELECTRICAL PROPERTIES
Dielectric ConstantD150/103Hz 2.12.12.1 2.62.5
D150/106Hz 2.12.12.1 2.62.59
Dielectric Strength D149/125 MIL 500 500500 nana
D149/10 MIL >1400 >1400>14001600 na
Volume Resistivity D257/ohm-cm>1018 >1018>1018 >1016>1016
Surface ResistivityD257/ohm-cm >1017>1017 >1017>1015 >1014-1015
GENERAL PROPERTIES
Chemical/Solvent ResistanceD543 ExcellentExcellent ExcellentExcellent Excellent
Water Absorption 24h,% D570<0.01 <0.01<0.03 <0.03< 0.1
Deformation Under Load *D621 100 ºC 5.05.0 2.45.4 2.6
Deformation Under Load **D621 25 ºC7.0 3.02.72.3 0.2
Refractive Index 1.351.338 1.341.401.447
Arc Resistivity, %
sec
 >300>300 >30075 na
D495>200>300 >300122135
Limiting Oxygen Index, %D2863 >95>95>95 3160
PropertiesASTM or Unit PTFE FEP PFA ETFE ECTFE

*6.8MPa (986psi), 24h
**13.7MPa(1987psi), 24h

Table 2
Property Comparison of Fluoroplastic/Fluoropolymer Resins

PropertiesASTM or Unit PVDF MFA THV PEEK ULTEM®
MECHANICAL PROPERTIES
Specific GravityD792 1.76-1.782.12-2.171.95-1.98 1.30-1.321.27-1.51
Elongation % D638300-450300-360 500-60020-6060
Tensile Strength (psi) D638 4500-62003500-44002900-4060 14,065-14,50016,500
Flexural Strength (psi)  8600-9500 na na24,65020,000
Compressive Strength

D695

11,600 2200na17,110 22,000
Tensile Elastic Modulus 
(Young's Modulus) (psi)
D638160,00065,000-
78,000
na522,000475,000
Flexural Modulus
103MPa (103kgf/cm2)
D790 90,00-
168,000
95,000 12,000-
30,000
594,000 500,000
Flex Life
(MIT cycles)
D2176na10,000-
100,000
nana na
Hardness Durometer Shore DD636 75-8555-6044-54 85-86M109
Coefficient of Friction (on steel) D19840.4 0.2na .24(static)na
Abrasion Resistance
1000 revs.
Taber5-1510-17 nana10
Impact Strength IZOD
73°F/23°C notched ft/lbs/in
D2564no break no break1.61.0
THERMAL PROPERTIES
Melting Point°C
(°F)
171
(340)
285
(545)
120 - 165
(248 - 536)
340
(644)
349
(660)
Upper Service
Temperature(20000h)
°C
(°F)
130
(265)
260
(500)
80 - 120
(176 - 248)
260
(500)
200
(392)
Flammability UL 94V-0V-0 V-0V-0V-0
Thermal Conductivity
BTU/hr/sq ft/deg F in
C177 1.31.41.4 1.73na
Linear Coefficient of
Thermal Expansion
D696
10-5 oC
4.211-12 na nana
Heat of Fusion BTU/LB
cal/g
na
4390
25.6
na
na
na
na
na
na
na
Heat of CombustionBTU/LB na 6200na na na
Low Temperature Embrittlement °C
(°F)
-62
(-80)
-232
(-450)
na
na
na
na
na
na
ELECTRICAL PROPERTIES
Dielectric Constant D150/103Hz7.72 2.03.5 3.20-3.30
(50Hz-10kHz)
3.15
(50Hz-10kHz)
D150/106Hz6.432.1 4.2na na
Dielectric StrengthD149/125 MIL 1700na na nana
D149/10 MIL >108020001400 >500na
Volume Resistivity D257/ohm-cm 2 x 1014>1017 >10154.9 x 1016 6.7 x 1016
Surface Resistivity D257/ohm-cm5 x 1014 >1017na 2.0 x 1016 na
GENERAL PROPERTIES
Chemical/Solvent Resistance Very GoodExcellent ExcellentExcellent Good
Water Absorption 24h, % D570<0.04 <0.03<0.01 0.50.25
Refractive Index  1.42na 1.351.65-1.77 1.63-169
Arc Resistivity, %, sec D49550-60 240na nana
Limiting Oxygen Index, %D2863 43>95 >65 - >75 2447
PropertiesASTM or Unit PVDF MFA THV PEEK™ ULTEM®
 
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